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the smallest lithium polymer battery, 3.7 v lipo battery, polymer battery, lipo battery pack

3.7 volt lithium battery
  • 3.7 volt lithium battery
  • lithium ion polymer battery
  • 3.7 lipo battery
  • lipo battery pack
  • polymer battery

402030 3.7 volt 200mah lithium ion polymer battery

Product Specification:

  • Cycle life:

    ≥500 Times

  • Warranty:

    1 year

  • Certificate:


  • Payment:

    Credit Card.Paypal.TT.Escrow.Western Union

  • size:


  • brand:


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Product Specification

NO. Item  Specifications
1 Nominal capacity 200mAh @ 0.2C Discharge
2 Initial Impedance Pack ≤100mΩ
3 Weight Approx:10g
4 Nominal voltage 3.7V
Fully charge voltage      (FC) 4.2V               Defined in this DOC: FC = 4.2V
Fully discharge voltage 2.4V                 Defined in this DOC: FD = 2.4V
5 Charge current    0.2C=40mA Standard Charging
0.5C=100mA Rapid charge
6 Standard charging method 0.2C CC ( constant current ) charge to FC, then CV(constant voltage FC)charge till charge current decline to ≤0.01C
7 Charging time 6.0 hours(Ref.) Standard Charging
2.5 至3.5hours(Ref.) Rapid charge
8 Max. charge current Constant Current 0.5C Constant Voltage FC 0.01 C cut-off
9 Max. discharge current Constant current 0.5C end voltage FD
10 Standard Discharge Current Constant current 0.2 C end voltage FD
11 Charge cut-off voltage Ref. 7.1 VDET1
12 Discharge cut-off Voltage Ref. 7.1 VDET2


Operating temperature 0℃~45℃ Charging
-20℃~60℃ Discharging
Storage temperature -10℃~ +45℃ less than 1 month Recommended storage temperature: 25℃,at the shipment state
-10℃~ +35℃ less than 6 months
14 Recoverable capacity Constant current 0.2C charge to FC, then constant voltage FC charge to current declines to 0.01C, rest for 10min,constant current 0.2C discharge to FD,rest for 10min.Repeat above steps 3 times, recording the maximum capacity
15 Storage Humidity ≤75% RH
16 Appearance Without distortion and leakage
17 Standard testing condition Temperature : 23±5℃

Humidity : ≤75%RH

Atmospheric Pressure : 86-106 Kpa

lifepo4 batterylipo battery pack

polymer battery

1.Q:Where can I get the price?
A:We usually quote within 24 hours after we get your inquiry.if you are very urgent to get the price,please call us or tell us in your inquiry priority.
2.Q:how can I get a sample to check your quality?
A:After price confirmation,you can require for samples to check our quality.
3.Q:What about the lead time for mass production?
A:It depends on your order quantity and the season you place the order.
4.Q:What is your team for payment?
A:We accept T/T,L/C,Paypal, Western Union,Money Gram,Ali Express,Cash,etc.
5.Q:What is accepted payment currency?
6.Q:If we went to test lithium polymer battery ,what testing requirement there are?
A:(1)battery test environment
Relative humidity:60±20%RH;
Atmospheric pressure:86~106Kpa.
(2)Measuring instrumentation requirements
Voltage instrumentation requirements--Measuring the voltage meter accuracy no less than 0.5 magnitude;
Current instrumentation requirements--Measuring the current meter accuracy no less than 0.5 magnitude;
Time instrumentation requirements--Measuring the time meter accuracy no less than 0.1%;
Temperature instrumentation requirements--Measuring the temperature mater accuracy no less than 0.5℃
Impedance instrumentation requirement--Measuring impedance should by sinusoidal alternating(1 KHZ)test.

7.Q:What is full charged?
A:With charging voltage 4.2v,current 0.2C continued to charge the battery pack ,when charging current drops to 0.02C charging is terminated,shall be full charged.
8.Q:What is full discharged?
A :Standard discharge current 0.2C for continuous discharge is terminated,shall be full discharged.

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