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 if you need to customize the size of your battery，

contact us， we can customize according to your requirements.thank you

Outside Shape : square

Battery size :30LongX20WideX5MMThick(Thickness Tolerance0.1Length and width tolerance0.3)

Lead Length: 50MM

Heavy Amount: 5Gram.

The nominal voltage: 3.7V

The maximum charging voltage: 4.2V

Capacity: 250mAhWith lithium protection board

Discharge Temperature : -20 C ~ +60 C

Protection IC parameters : Overcharge protection voltage 4.20V 0.05V， over-discharge protection voltage 2.7V 0.1V

Certification : CE RoHS

Product Features :

1LiCoO2Cathode material ( advantage: Operating voltage 4.2V-3.7V， the charge and discharge voltage stable， high specific energy， capacity attenuation ) cycle of life of more than 500 times， 300 times more than the cycle capacity retention rate of 80%

2Built-in Built-in dual protection IC circuit board ， overcharge protection voltage 4.20V 0.05V， over-discharge protection voltage 2.7V 0.1V

3 The maximum charging current of 1C， the maximum discharge current of 2C. Recommended charging current 0.2C to 0.5C， 1C discharge current maximum

4Green， does not contain harmful metals such as cadmium ， lead， mercury and the like， the factory passed ISO9001 environmental management system certification， product complies with CE RoHS certified battery charger products certified by UL

[ Suitable ]:

MP3.MP4.MP5.Bluetooth headset， model aircraft，GPS， Mobile tables and a variety of digital game products，

Radios and other small appliances ， audio and so on.Mainly for USB electric products， wireless routers， medical instruments ， radios ， voice recorder， solar lighting ， digital cameras， wireless microphones ， MP3 batteries ， MP4 lithium batteries ， MP5 lithium batteries， digital camera batteries， digital photo frames battery ， Bluetooth headset batteries， cell phones ， electronic cigarette batteries， electric toys battery ， power tools batteries， mobile power ， backup power ， phone battery ， phone built-in battery ， tablet PC battery ， lithium battery handheld devices ， navigation lithium battery ， PSP lithium battery， points reading pen lithium batteries ， machine learning lithium battery， lithium battery smart card . Megaphone and other fields， reliable product quality ， timely delivery， price favorably ， can be any combination of the pair on request