CN107228985A - A kind of RTC power supply capacitors detection method, storage device and mobile terminal - Google Patents

A kind of RTC power supply capacitors detection method, storage device and mobile terminal Download PDF

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Publication number
CN107228985A
CN107228985A CN201710408808.7A CN201710408808A CN107228985A CN 107228985 A CN107228985 A CN 107228985A CN 201710408808 A CN201710408808 A CN 201710408808A CN 107228985 A CN107228985 A CN 107228985A
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CN
China
Prior art keywords
power supply
supply capacitors
rtc power
capacitance value
detection
Prior art date
Application number
CN201710408808.7A
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Chinese (zh)
Inventor
俞斌
杨维琴
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Tcl移动通信科技(宁波)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Tcl移动通信科技(宁波)有限公司 filed Critical Tcl移动通信科技(宁波)有限公司
Priority to CN201710408808.7A priority Critical patent/CN107228985A/en
Publication of CN107228985A publication Critical patent/CN107228985A/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2605Measuring capacitance

Abstract

The invention discloses a kind of RTC power supply capacitors detection method, storage device and mobile terminal, method includes:The actual capacitance value size of cycle detection RTC power supply capacitors at every predetermined time;When the actual capacitance value size of the RTC power supply capacitors detected is less than the standard capacitor-value of RTC power supply capacitors, then the residual capacitance value size of current RTC power supply capacitors is obtained automatically;If the residual capacitance value size of current RTC power supply capacitors is less than predetermined electric capacity threshold values, prompting changing electric capacity.The actual capacitance value size that the present invention passes through periodic detection RTC power supply capacitors, the change of the capacitance size of RTC power supply capacitors can be found in time, when residual capacitance value is too small, remind user to change electric capacity in time, ensure the time accuracy of customer mobile terminal, so as to be brought convenience for user.

Description

A kind of RTC power supply capacitors detection method, storage device and mobile terminal
Technical field
The present invention relates to technical field of mobile terminals, and in particular to a kind of RTC power supply capacitors detection method, storage device and Mobile terminal.
Background technology
With the quick popularization of mobile terminal, mobile terminal has become instrument essential in people's daily life, The life that mobile terminal gives people brings too many facility.
RTC(Real Time Clock, real-time clock)It is the crystal oscillator and interlock circuit composition on mobile terminal circuit plate The pulse that clock circuit is generated;Its main function is to provide stable clock signal to mobile terminal, make mobile terminal when Between it is accurate.As long as RTC has what power supply just worked always, therefore, even if we shut down, the time of mobile terminal also may proceed to forward Walk;Even a bit of time of battery is pulled up at us(Such as 5 seconds)It is interior, what time of mobile terminal was also to continue with away, this is just It ensure that the of short duration bad connection of battery caused by mobile terminal falls, collided that we usually occur once in a while in use When, the time of mobile terminal is still accurate.This is where we pull up a bit of time of battery(Such as 5 seconds)It is interior, move What the time of dynamic terminal was still to continue with awayBecause, the power supply of RTC circuit is provided jointly with electric capacity by a battery 's.When battery is connected with RTC circuit, charged first for electric capacity, while being powered for RTC;But when battery is pulled out, battery can be RTC powers untill the voltage on electric capacity is zero;In general, electric capacity can provide how long electricity it is relevant with capacitance size, Electric capacity is bigger, and power-on time is longer, and the smaller power-on time of electric capacity is shorter.
But, in actual use, because mobile terminal can be used by a user the long period, be within 1 year it is very common, very To useful 5 years.After a long time use, electric capacity can be lost in itself, capacitance size is diminished, so that in battery not In the case of power supply, the electric capacity on mobile terminal circuit tails off for the time that RTC powers, particularly when residual capacitance value is slight greatly When certain thresholding, electric capacity will be only RTC and power very short time under conditions of pond of not discharging, and this will cause usually to make Occur once in a while during when the of short duration bad connection of electric capacity caused by mobile terminal falls, collided, the time of mobile terminal It will reset, puzzlement is caused to user.
Therefore, prior art has yet to be improved and developed.
The content of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of prior art, there is provided a kind of RTC power supply capacitors Detection method, storage device and mobile terminal, it is intended to by the actual capacitance value size of periodic detection RTC power supply capacitors, and will The standard electric for the RTC power supply capacitors that the actual capacitance value size of the RTC power supply capacitors detected is detected before being dispatched from the factory with mobile terminal Capacitance is compared, and the change of the capacitance size of RTC power supply capacitors is found in time, when residual capacitance value is too small, is reminded in time User changes electric capacity, it is to avoid the of short duration company of electric capacity caused by mobile terminal falls, collided that occurs once in a while in use The time of mobile terminal resets when connecing bad, it is ensured that the time accuracy of customer mobile terminal, so as to be brought convenience for user.
The technical proposal for solving the technical problem of the invention is as follows:
A kind of RTC power supply capacitors detection method, wherein, methods described includes:
The actual capacitance value size of step A, at every predetermined time cycle detection RTC power supply capacitors;
Step B, when the RTC power supply capacitors detected actual capacitance value size be less than RTC power supply capacitors standard capacitor-value when, The residual capacitance value size of current RTC power supply capacitors is then obtained automatically;
If step C, the residual capacitance value size of current RTC power supply capacitors are less than predetermined electric capacity threshold values, prompting changing electric capacity.
Described RTC power supply capacitor detection methods, wherein, also include before the step A:
Step M, pre-set one be used at every predetermined time the cycle start detection RTC power supply capacitors actual capacitance value size Timer;The timer repeats to open after the actual capacitance value size of RTC power supply capacitors has been detected every time.
Described RTC power supply capacitor detection methods, wherein, also include before the step M:
Step S, the standard capacitor-value for detecting RTC power supply capacitors before mobile terminal dispatches from the factory in advance, and store.
Described RTC power supply capacitor detection methods, wherein, the step S is specifically included:
Step S1, before mobile terminal dispatches from the factory RTC power supply capacitors are divided into multiple equally spaced voltage ranges by capacitance voltage;
The standard capacitor-value of RTC power supply capacitors corresponding to step S2, each voltage range of test;
Step S3, the standard capacitor-value storage by the RTC power supply capacitors corresponding to measured each voltage range.
Described RTC power supply capacitor detection methods, wherein, the step A is specifically included:
Step A1, timer reach the default time cycle, start to detect the actual capacitance value size of RTC power supply capacitors;
Step A2, multiple equally spaced voltage ranges to RTC power supply capacitors are divided into by capacitance voltage actual capacitance value it is big It is small to be detected;
After the completion of step S3, detection, timer is again turned on.
Described RTC power supply capacitor detection methods, wherein, the step B is specifically included:
Step B1, by the actual capacitance value size of the RTC power supply capacitors of each voltage range detected and voltage range institute it is right The standard capacitor-value answered is compared;
Step B2, when some voltage range detected RTC power supply capacitors actual capacitance value size be less than corresponding mark During pseudo-capacitance value, then the residual capacitance value size of the current RTC power supply capacitors of this voltage range is obtained automatically.
Described RTC power supply capacitor detection methods, wherein, the step C is specifically included:
Step C1, the residual capacitance value size of the current RTC power supply capacitors of acquisition and default electric capacity threshold values be compared;
If step C2, the residual capacitance value size of current RTC power supply capacitors are less than default electric capacity threshold values, user is reminded to change electricity Hold.
Described RTC power supply capacitor detection methods, wherein, include before the step C:
Step C0, pre-set for judging whether to need the electric capacity threshold values of prompting changing electric capacity.
A kind of storage device, is stored thereon with a plurality of instruction, wherein, the instruction is suitable to be loaded and performed by processor, To realize RTC power supply capacitors detection method described in any of the above-described.
A kind of mobile terminal, wherein, including:Processor, the storage device being connected with processor communication, the storage device Suitable for storing a plurality of instruction;The processor is suitable to call the instruction in the storage device, and any of the above-described is realized to perform The RTC power supply capacitors detection method.
Beneficial effects of the present invention:Actual capacitance value size of the invention by periodic detection RTC power supply capacitors, and will inspection The standard capacitance for the RTC power supply capacitors that the actual capacitance value size of the RTC power supply capacitors measured is detected before being dispatched from the factory with mobile terminal Value is compared, and the change of the capacitance size of RTC power supply capacitors is found in time, when residual capacitance value is too small, reminds use in time Change electric capacity in family, it is to avoid the of short duration connection of electric capacity caused by mobile terminal falls, collided that occurs once in a while in use The time of mobile terminal resets when bad, it is ensured that the time accuracy of customer mobile terminal, so as to be brought convenience for user.
Brief description of the drawings
Fig. 1 is the flow chart of the first preferred embodiment of the RTC power supply capacitor detection methods of the present invention.
Fig. 2 is the structural representation of the preferred embodiment of the mobile terminal of the RTC power supply capacitors detection of the present invention.
Embodiment
To make the objects, technical solutions and advantages of the present invention clearer, clear and definite, develop simultaneously embodiment pair referring to the drawings The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and without It is of the invention in limiting.
As shown in figure 1, Fig. 1 is the flow chart of the first preferred embodiment of the RTC power supply capacitor detection methods of the present invention.Institute RTC power supply capacitor detection methods are stated to comprise the following steps:
The actual capacitance value size of step S100, at every predetermined time cycle detection RTC power supply capacitors.
It is preferred that the step S100 is specifically included:
Step S101, timer reach the default time cycle, start to detect the actual capacitance value size of RTC power supply capacitors;
Step S102, to the actual capacitance value for the multiple equally spaced voltage ranges for being divided into RTC power supply capacitors by capacitance voltage Size is detected;
After the completion of step S103, detection, timer is again turned on.
When it is implemented, in order that in time find mobile terminal RTC power supply capacitors actual capacitance value size whether Change.The present invention pre-sets an actual capacitance for being used for the cycle at every predetermined time and starting detection RTC power supply capacitors It is worth the timer of size;The timer repeats to open after the actual capacitance value size of RTC power supply capacitors has been detected every time.
It is preferred that the time cycle of timer is set to 30 days, when timer cycle arrival time, start detection RTC The actual capacitance value size of power supply capacitor, realizes the periodic detection to the actual capacitance value size of RTC power supply capacitors, can be timely It was found that whether the actual capacitance value size of RTC power supply capacitors changes, it provide the user conveniently.
Further, the present invention also includes before step S100:
Step S000, the standard capacitor-value for detecting RTC power supply capacitors before mobile terminal dispatches from the factory in advance, and store.
The step S000 is specifically included:
Step S001, before mobile terminal dispatches from the factory RTC power supply capacitors are divided into multiple equally spaced voltage ranges by capacitance voltage;
The standard capacitor-value of RTC power supply capacitors corresponding to step S002, each voltage range of test;
Step S003, the standard capacitor-value storage by the RTC power supply capacitors corresponding to measured each voltage range.
When it is implemented, ascending from the capacitance voltage of RTC power supply capacitors in advance take n electric capacity electricity successively at equal intervals Pressure:……, then take two neighboring capacitance voltage by electric capacity by voltage division into multiple equally spaced voltage ranges [,]、[,]……[,], detect the capacitance of each voltage range, for example need measurement [,] Capacitance F [k] only need to be when mobile terminal dispatches from the factory pair electric capacity constant currentCharged, being charged to capacitance voltage is When time for consuming be, then capacitance F [k]=;Or be to voltage when dispatching from the factoryElectric capacity constant current Discharged, put to capacitance voltage and beWhen time for consuming be, then obtain capacitance F [k]=;Wherein, k is 1 To n natural number.
Because mobile terminal does not dispatch from the factory, so the capacitance for each voltage range that detection is obtained is the electricity without loss Capacitance, so the capacitance that each voltage range detection is obtained is just the standard of the RTC power supply capacitors corresponding to the voltage range Capacitance, detection stores the corresponding standard capacitor-value of each voltage range after finishing.Measure in advance each voltage range without The standard capacitor-value of loss, is conducive to the actual capacitance value size and standard of the RTC power supply capacitors detected in subsequent step Capacitance compares, accurately to judge whether the actual capacitance value size of RTC power supply capacitors changes.
Further, when the timer pre-set reaches the default time cycle, then start to each voltage range Actual capacitance value size detected.Specifically, n variable J [1], J [2] ... J [n] and zero setting, J [1], J are set [2] ... J [n] corresponds to n voltage range respectively, in user in mobile terminal charging process, detecting each section of voltage range pair Answer the change of size.For example, when J [k] is zero, detecting current capacitance voltage isIf, current charging current I, be when being charged to capacitance voltageWhen time for consuming be T, then capacitance present voltage range [,] corresponding actual electricity Capacitance size is I*T, and J [k] is set into 1, to other voltage ranges using above-mentioned same method until J [1], J [2] ... J [n] is all 1, then completes the detection of the actual capacitance value size of a RTC power supply capacitor.Wherein, k is oneself of 1 to n So count.After the completion of detection, timer is again turned on, to ensure that the actual capacitance value size periodically to RTC power supply capacitors is carried out Detection.
Step S200, standard electric of the actual capacitance value size less than RTC power supply capacitors when the RTC power supply capacitors detected During capacitance, then the residual capacitance value size of current RTC power supply capacitors is obtained automatically.
It is preferred that the step S200 is specifically included:
Step S201, by the actual capacitance value size of the RTC power supply capacitors of each voltage range detected and voltage range institute Corresponding standard capacitor-value is compared;
Step S202, when some voltage range detected RTC power supply capacitors actual capacitance value size be less than it is corresponding During standard capacitor-value, then the residual capacitance value size of the current RTC power supply capacitors of this voltage range is obtained automatically.
When it is implemented, the actual capacitance value size of the RTC power supply capacitors for each voltage range that detection is obtained and electricity Corresponding standard capacitor-value is compared between nip, to judge whether the size of RTC power supply capacitors changes.Work as detection When the actual capacitance value size of the RTC power supply capacitors of some voltage range arrived is less than corresponding standard capacitor-value, then automatically Update the residual capacitance value size of the current RTC power supply capacitors of this voltage range.For example, detection obtain [,] interval RTC The actual capacitance value size of power supply capacitor is2F, and [,] interval corresponding RTC power supply capacitors standard capacitor-value For F [3]=3F, institute's actual capacitance value size is less than standard capacitor-value and powered electricity, it is necessary to obtain the current RTC of this voltage range automatically The residual capacitance value size of appearance.According to formula F CC= F[3]+Current residual electric capacity FCC size can be calculated, its In,For the total capacity size of electric capacity, thus obtain [,] corresponding to RTC power supply capacitors residual capacitance value size.
If step S300, the residual capacitance value size of current RTC power supply capacitors are less than predetermined electric capacity threshold values, remind more Change electric capacity.
It is preferred that the step S300 is specifically included:
Step S301, the residual capacitance value size of the current RTC power supply capacitors of acquisition and default electric capacity threshold values be compared;
If step S302, the residual capacitance value size of current RTC power supply capacitors are less than default electric capacity threshold values, user is reminded more Change electric capacity.
When it is implemented, in order to preferably judge whether to need to remind user to change electric capacity, the present invention pre-sets an electricity Hold threshold values.The residual capacitance value size of the current RTC power supply capacitors of acquisition and default electric capacity threshold values are compared, if currently The residual capacitance value size of RTC power supply capacitors is less than default electric capacity threshold values, then illustrates the residual capacitance of current RTC power supply capacitors Value is too small, and mobile terminal reminds user to change electric capacity.It is preferred that when the current RTC power supply capacitors of any one voltage range When residual capacitance value size is less than predetermined electric capacity threshold values, mobile terminal can all remind user to change electric capacity.Further It is preferred that mobile terminal can remind user in the form of pop-up dialogue box, while can be along with the tinkle of bells or vibration so that allow in time User knows that the residual capacitance value of RTC power supply capacitors is too small, and changes in time, it is ensured that the accuracy of the time of mobile terminal, gives User provides convenient.
Based on above-described embodiment, the invention also discloses a kind of mobile terminal.As shown in Fig. 2 including:Processor (processor) storage device (memory) 20 10, being connected with processor;Wherein, the processor 10 is described for calling Programmed instruction in storage device 20, to perform the method that above-described embodiment is provided, for example, is performed:
The actual capacitance value size of step S100, at every predetermined time cycle detection RTC power supply capacitors;
Step S200, standard capacitor-value of the actual capacitance value size less than RTC power supply capacitors when the RTC power supply capacitors detected When, then the residual capacitance value size of current RTC power supply capacitors is obtained automatically;
If step S300, the residual capacitance value size of current RTC power supply capacitors are less than predetermined electric capacity threshold values, prompting changing electricity Hold.
The embodiment of the present invention, which is also provided, stores computer instruction, the calculating in a kind of storage device, the storage device Machine instruction makes computer perform the method that the various embodiments described above are provided.
In summary, the present invention is provided a kind of RTC power supply capacitors detection method, storage device and mobile terminal, method Including:The actual capacitance value size of cycle detection RTC power supply capacitors at every predetermined time;When the RTC power supply capacitors detected Actual capacitance value size be less than RTC power supply capacitors standard capacitor-value when, then obtain the residue of current RTC power supply capacitors automatically Capacitance size;If the residual capacitance value size of current RTC power supply capacitors is less than predetermined electric capacity threshold values, prompting changing electricity Hold.The present invention is by the actual capacitance value sizes of periodic detection RTC power supply capacitors, and by the reality of the RTC power supply capacitors detected Compared with the standard capacitor-value for the RTC power supply capacitors that border capacitance size is detected before being dispatched from the factory with mobile terminal, find that RTC is supplied in time The change of the capacitance size of electric capacity, when residual capacitance value is too small, reminds user to change electric capacity, it is to avoid using in time During time of mobile terminal when the of short duration bad connection of electric capacity caused by mobile terminal falls, collided for occurring once in a while answer Position, it is ensured that the time accuracy of customer mobile terminal, so as to be brought convenience for user.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention Protect scope.

Claims (10)

1. a kind of RTC power supply capacitors detection method, it is characterised in that methods described includes:
The actual capacitance value size of step A, at every predetermined time cycle detection RTC power supply capacitors;
Step B, when the RTC power supply capacitors detected actual capacitance value size be less than RTC power supply capacitors standard capacitor-value when, The residual capacitance value size of current RTC power supply capacitors is then obtained automatically;
If step C, the residual capacitance value size of current RTC power supply capacitors are less than predetermined electric capacity threshold values, prompting changing electric capacity.
2. RTC power supply capacitors detection method according to claim 1, it is characterised in that also include before the step A:
Step M, pre-set one be used at every predetermined time the cycle start detection RTC power supply capacitors actual capacitance value size Timer;The timer repeats to open after the actual capacitance value size of RTC power supply capacitors has been detected every time.
3. RTC power supply capacitors detection method according to claim 1, it is characterised in that also include before the step M:
Step S, the standard capacitor-value for detecting RTC power supply capacitors before mobile terminal dispatches from the factory in advance, and store.
4. RTC power supply capacitors detection method according to claim 3, it is characterised in that the step S is specifically included:
Step S1, before mobile terminal dispatches from the factory RTC power supply capacitors are divided into multiple equally spaced voltage ranges by capacitance voltage;
The standard capacitor-value of RTC power supply capacitors corresponding to step S2, each voltage range of test;
Step S3, the standard capacitor-value storage by the RTC power supply capacitors corresponding to measured each voltage range.
5. RTC power supply capacitors detection method according to claim 1, it is characterised in that the step A is specifically included:
Step A1, timer reach the default time cycle, start to detect the actual capacitance value size of RTC power supply capacitors;
Step A2, multiple equally spaced voltage ranges to RTC power supply capacitors are divided into by capacitance voltage actual capacitance value it is big It is small to be detected;
After the completion of step S3, detection, timer is again turned on.
6. RTC power supply capacitors detection method according to claim 1, it is characterised in that the step B is specifically included:
Step B1, by the actual capacitance value size of the RTC power supply capacitors of each voltage range detected and voltage range institute it is right The standard capacitor-value answered is compared;
Step B2, when some voltage range detected RTC power supply capacitors actual capacitance value size be less than corresponding mark During pseudo-capacitance value, then the residual capacitance value size of the current RTC power supply capacitors of this voltage range is obtained automatically.
7. RTC power supply capacitors detection method according to claim 1, it is characterised in that the step C is specifically included:
Step C1, the residual capacitance value size of the current RTC power supply capacitors of acquisition and default electric capacity threshold values be compared;
If step C2, the residual capacitance value size of current RTC power supply capacitors are less than default electric capacity threshold values, user is reminded to change electricity Hold.
8. RTC power supply capacitors detection method according to claim 1, it is characterised in that include before the step C:
Step C0, pre-set for judging whether to need the electric capacity threshold values of prompting changing electric capacity.
9. a kind of storage device, is stored thereon with a plurality of instruction, it is characterised in that the instruction is suitable to be loaded and held by processor OK, to realize any one of the claims 1-8 RTC power supply capacitors detection methods.
10. a kind of mobile terminal, it is characterised in that including:Processor, the storage device being connected with processor communication,
The storage device is suitable to store a plurality of instruction;The processor is suitable to call the instruction in the storage device, to hold Row realizes any one of the claims 1-8 RTC power supply capacitors detection methods.
CN201710408808.7A 2017-06-02 2017-06-02 A kind of RTC power supply capacitors detection method, storage device and mobile terminal CN107228985A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101435838A (en) * 2007-11-15 2009-05-20 鸿富锦精密工业(深圳)有限公司 Apparatus for measuring capacitance capacity
CN202267714U (en) * 2011-09-07 2012-06-06 天津三星电机有限公司 Capacitor capacity data test and acquisition system
CN105554316A (en) * 2015-11-26 2016-05-04 Tcl移动通信科技(宁波)有限公司 Intelligent terminal battery capacity reserving realization method and system
CN105711433A (en) * 2016-01-22 2016-06-29 江苏大学 Remote monitoring system and method for quality of battery of electric car battery replacing station
CN105898023A (en) * 2015-12-21 2016-08-24 乐视移动智能信息技术(北京)有限公司 Aging prompt method and system for battery of mobile phone
CN105939419A (en) * 2016-06-12 2016-09-14 Tcl移动通信科技(宁波)有限公司 Method and system for mobile terminal to adjust total capacity of battery
CN105959468A (en) * 2016-04-25 2016-09-21 上海斐讯数据通信技术有限公司 Mobile terminal storage capacity prompting method and mobile terminal storage capacity prompting device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101435838A (en) * 2007-11-15 2009-05-20 鸿富锦精密工业(深圳)有限公司 Apparatus for measuring capacitance capacity
CN202267714U (en) * 2011-09-07 2012-06-06 天津三星电机有限公司 Capacitor capacity data test and acquisition system
CN105554316A (en) * 2015-11-26 2016-05-04 Tcl移动通信科技(宁波)有限公司 Intelligent terminal battery capacity reserving realization method and system
CN105898023A (en) * 2015-12-21 2016-08-24 乐视移动智能信息技术(北京)有限公司 Aging prompt method and system for battery of mobile phone
CN105711433A (en) * 2016-01-22 2016-06-29 江苏大学 Remote monitoring system and method for quality of battery of electric car battery replacing station
CN105959468A (en) * 2016-04-25 2016-09-21 上海斐讯数据通信技术有限公司 Mobile terminal storage capacity prompting method and mobile terminal storage capacity prompting device
CN105939419A (en) * 2016-06-12 2016-09-14 Tcl移动通信科技(宁波)有限公司 Method and system for mobile terminal to adjust total capacity of battery

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