Lithium Ion Battery - 2Ah Shipping:1 day 4mm outer diameter offers high

4mm outer diameter offers high temperature

SPI on the back for ease of identification

and everything you need to connect them all together

Supporting BLE communications with iphone

Lithium Ion Battery - 2Ah Shipping:1 day 4mm outer diameter offers highThese are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3. 7V at 2000mAh! Comes terminated with a standard 2 pin JST PH connector 2mm spacing between pins. These batteries require special charging. Do not attempt to charge these with anything but a specialized Lithium Polymer charger. Battery includes built in protection against over voltage, over current, and minimum voltage. Please use