Sanyo 20700B 4000mah 30amp
Voltage: 3.6V Capacity: 4000mAh Size: 20700 Chemistry: NCR Li-ion Discharge: 15A Max Continuous Terminal Type: Flat Top Protection: Unprotected Dimensions: 20mm x 70mm
Fully charge before first use.
Never short (connect positive and negative size) battery.
Keep them always in battery case, or any other insulating material.
Never keep this battery together with metal objects (short circuit can happen if you do).