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best rechargeable batteries 18650 7.4v 5200mah lithium battery pack

Product Specification:

  • Cycle life:

    ≥500 Times

  • Warranty:

    1 year

  • Certificate:


  • Payment:

    Credit Card.Paypal.TT.Escrow.Western Union

  • brand:


  • service:


  • weight:


  • size :

    18650 lithium battery

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Product Specification

NO. Item Specifications
1 Typical Capacity 5200mh          @ 0.2C Discharge
Minimum capacity 5180mh          @ 0.2C Discharge
2 Nominal voltage 7.4V
3 Standard Charge CC/CV,0.2C5A, 4.20×2V
4 Standard Discharge CC,0.2C5A, 3.00×2V
5 End-of-charge  Voltage 4.20×2V±0.05V
6 End-of-charge Current 0.02C5A (At CV mode)
7 End-of-discharge Voltage 3.00×2 V
8 Charging Time 8.0hours(standard charge)
9 Quick Charge Current 5200mA     (1.0C5rate)
10 Quick Discharge Current 10400mA    (2.0C5rate)
11 Max Discharge Current 15600mA    (3.0C5rate)
12 Initial Impedance Max:180mW
13  Weight Approx:191±2g
14 Operating temperature Charging:  0℃~45℃


15 Storage temperature -5℃~35℃
16 Storage Humidity ≤75% RH
17 Appearance Without scratch, distortion, contamination and leakage
18 Standard environmental condition Temperature            : 25±2℃

Humidity              :  45-75%RH

Atmospheric Pressure   : 86-106 KPA

19 Temperature Dependence of Discharge Capacity

@ 0.2C Discharge

Charge  temperature Discharge  temperature
25℃ -10℃ 0℃ 15℃ 25℃ 40℃
Relative Capacity 50% 80% 90% 100% 100%

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wholesale batteries li ion rechargeable battery pack

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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