A replacement Li-ion battery suitable for Dyson handheld and stick vacuum cleaners from the DC31, DC34, DC35 and DC44 series. This 22.2V battery has a capacity of no less than 2000mAh/44.40Wh (roughly 35% more than the original). This Li-ion battery has built-in protection against overcharging, deep discharge, and excessive temperatures/voltage, which provides greater safety and reliability. This replacement Dyson Li-ion battery is interchangeable with Dyson battery numbers;
