14.4V, 2800mAh, Ni-MH Battery fits Robotic, U290, 40.32WhBattery Fits Models: U290 Battery Part Numbers: CS IRB530VX This battery should be the same or greater capacity than the original battery. Batterybuyer is a genuine Canadian supplier. We operate many inventory systems, and all products over nine months old are disposed of and replaced with fresh new stock. Batteries come in all shapes and sizes; quite often, a single battery model will replace hundreds of other models. The manufacturers, in their