Is your robot vacuum not holding a charge anymore? This high-capacity 3400mAh Li-ion battery is a perfect replacement to get it running like new. It's compatible with a bunch of popular models like the Bissell EV675, EV775, SpinWave, and various Bobsweep models (Bob Standard, Pethair, Junior, etc.). Check the full list in the description to make sure it fits yours. The battery specs are 14.4V/14.8V, 3400mAh, with 4 cells. It has built-in protection against overcharging, overheating, and short circuits for safety. Installation is pretty straightforward – you'll need a screwdriver to open the compartment, swap the old battery for this one, and screw it back together (full instructions included). Remember to fully charge it before first use. It's a brand new, reliable battery that'll give your vacuum a second life, saving you money compared to buying a whole new machine. A must-have for any robot vacuum owner facing battery issues.