50AH Lithium Battery RB24V52.
Fits: TASKI swingo 455B, TASKI swingo 1650, TASKI ULTIMAXX 1900 DD55/DD65, TASKI ULTIMAXX 2900 DD55/DD65
Genuine TASKI part number D7524716. Not sure it fits your machine? Send us your model and serial number at help@sweepscrub.com or call 877-449-0447 and we will confirm before you order.