14.8V, 3400mAh, Li-ion Battery fits Ecovacs, Cen360, Cen361, 50.32WhBattery Fits Models: Cen360, Cen361, Deebot Cen546, Deebot Dn622, Deebot N79, Deebot N79s, Dh35, Dh43, Dh45, Dn620, Dn621 Battery Part Numbers: Bfg wsq, Icr18650 26j 4s1p, Ur18650zy 4s1p aam Our battery should have the exact dimensions and fitment as the original battery; the fit and finish are checked before dispatch. The Cameron Sino range of batteries are historically the most reliable and cost effective generic batteries we have ever supplied;