Ni-mh AA 1.2v 600mah Rechargeable Battery charging The board itself is tiny

The board itself is tiny

no charge or connection required

which can be interfaced with I2C communications

and suspended after suction

Ni-mh AA 1.2v 600mah Rechargeable Battery charging The board itself is tinyThis Ni MH AA 1. 2V 600mAh Rechargeable Cell Battery is very commonly used product. Its specifications are here. Specification: 1) Type: AA 2) Capacity: 600mAh 3) Voltage: 1. 2V 4) High energy density 5) Low self discharge 6) Chargeable up to 500 or 1000 times 7) Low internal resistance 8) Widely applied in mobile communication, digital products, electric tools, lightening devices, toys, Application: 1. Others: Massager, electric toothbrush, electric