V7 V7ET-PA3594 is a high-quality replacement notebook battery that is compatible with a wide range of Toshiba laptops. It is made from the highest-quality cells available and incorporates all of the standard logic boards, thermal protectors, thermistors, and circuit breakers to ensure maximum levels of safety, reliability, and efficiency. With a capacity of 5200mAh, this battery will provide extended power for your laptop, allowing you to work or play for longer periods without having to worry about running out of power.