3.7V 1200mAh battery 51*34*6mm with PH2.0 connector
The battery is with the protective PCB (PCM). PCM can preventing over charging, over discharging, over current, short circuit, etc..
Application: Story machine, Learning machine, Powerbank, Back up power supply, MP3, Speakers, Microphone, Navigator (GPS), Emergency supply, Tachograph, Sweep meter, Medical equipment, Cosmetic instrument, Toys and other electronic devices.