This is Panasonic Eneloop NiMH AAA Rechargeable Battery 750mAh manufactured by Eneloop. The manufacturer part number is BK-4MCCE/4BE. It has a low self-discharge characteristic yes. The module has a capacity of 750mah. The nominal voltage of the product is 1.2v. It has a/an nimh chemistry. The terminal is a standard type. The product is available in aaa size.