Perma Battery Co., Ltd.

Delhi

Circular, thin, shape-free and high energy density lithium polymer batteries for wearable devices round shape lithium polymer battery for high end smart watchescapacity:550mahdiameter: 35mmthickness: 5mm item spec note nominal capacity 490mah@ 0.2cdischargemin470mah0.2crate, 3.0vcut-offnominal voltage 3.7v max charge voltage 4.2v discharge cut-off voltage 3.0 v charge current standard charge: 0.2crapid charge: 0.5c standard charging 0.2c cc (constant current) charge to4.2v, then 4.2v cv(constant voltage)charge till charge current decline to0.02c discharge current standard discharge: 0.2cmax discharge: 0.5c storage temperature 1 month : -10456 month: -1035205 is recommend long termstorage temperaturebattery expert for your battery pack design & manufacture!.

Chemistry: lithium polymernominal voltage: 3.7v per cellworking voltage range: 2.75v4.2vrated capacity: 20mah600mahdimensions: various models can be availablecustom pcm and specific connector can be providedradian of the curve and protection circuit can be determined according to your actual applicationoemodm projects: warmly welcomeapplications: wearable devices such as smart watches, smart bracelets, children safety trackers, fitness devices, pet trackers, etc.

customized lithium ion battery packs made up of high qualified name brand battery cells such as samsung, panasonic, sony, lg

lithium ion (li-ion) batteries feature high energy density, high capacity, light weight and high power. li-ion batteries are one o f the most popular types of rechargeable battery for portable electronics, with the best energy density, no memory effect, and long shelf life.

rated performance

1 rated capacity: typical 7800mah, standard discharge after standard charge

2 nominal voltage: 14.8v, mean operation voltage during standard discharge after standard charge

3 voltage at end of discharge: 11v

4 charging voltage: 16.80.03v

5 ac (1khz) impedance new cell max.(mw) 420m

6 standard charge: constant current 0.5c, constant voltage 16.8v 0.01 c5 cut-off, charge time : approx 4.0h

7 standard discharge: constant current 0.2 c5a, end voltage 11v

8 fast charge: constant current 1c5, constant voltage 16.8v 0.01 c5acut-off, charge time : approx 2.5h

9 fast discharge: constant current 1 c5a, end voltage 11v

10 maximum continuous charge current :1 c5a

11 maximum continuous discharge current :1.5c5a

12 operation temperature range, 6025%r.h. bare cell

charge: 045

discharge: -2060

13 storage temperature range: -2025 for less than 1 year, -2040 for less than 3 months, 6025%r.h. at the shipment state

14 weight approx: 595g