Low Voltage Batteries
Maxell's 3 volt ML614 has a capacity of 3.6 mAh and a standard discharge current of 0.02 mA. It measures 6.8 mm in diameter by 1.4 mm high and weighs 0.16 grams. The ML414 has a capacity of 1.6 mAh and standard discharge current of 0.01 mA, and measures 4.8 mm in diameter by 1.4 mm high, and weighs 0.07 gram. Both cells are capable of up to 1500 shallow charge and discharge cycles and are rated to operate at temperatures from 20°C to +60°C.