The Toshiba Ultra Lithium ER6VC119B battery is a high-quality, rechargeable battery that is designed to be a direct replacement for a wide range of OEM models. The battery has a maximum capacity of 1900mAh and has a voltage of 3.7V. It also features an amperage of 750mA and is built with the most advanced Lithium-ion technology. This battery is safe to use and can be charged at any time without fear of memory effect.