Technical data: Voltage: 3.6 Volt Capacity: 2000mA / 7.2Wh Type: Ni-Mh The battery is suitable for the following models: Toniebox 50AAS5 High-performance battery with new high-quality brand cells from Panasonic, LG, Sanyo,... 100% compatible with the original Tonies batteries thanks to a custom fit including overcharge and short-circuit protection.