This battery can work with original OEM charger that supports NiCd chemistry Compatible Models: MILWAUKEE Power Tools 0521-20, 0521-21, 0521-22, 0522-20, 0522-21, 0522-22, 0522-24, 0522-25, 0522-52, 0523-20, 0523-22, 0524-20, 0524-22, 0524-24, 0524-52, 0622-20, 0622-24, 0624-20, 0624-24, 0625-20, 0625-24, 0627-20, 0627-24, 0628-24, 0629-24, 0780-20, 0880-20, 0901-24, 0901-28, 0902-24, 0902-28, 0903-28, 0904-28, 0912-29, 0922-23, 0923-25, 0923-29, 1109-20, 1109-21, 1109-24, 1109-52, 3109-21, 3109-24, 5361-20, 5361-21, 5361-24, 5361-52, 6310-20, 6310-22, 6320-20, 6320-21, 6320-22, 6320-24, 6514-20, 6514-21, 6515-20, 6515-21, 6515-22, 6515-23, 6515-27, 6515-52, 6515-99, 9078-20, 9078-22, 9079-20, 9079-22, 9079-23, 9099-20, 9099-23, All 18 Volt Power Plus Driver Drills, LokTor H18, LokTor P 18 TX, LokTor P 18 TXC, LokTor S 18 PX, LolTor S 18 TX, LokTor S 18 TXC, PIW 18, PMS 18, PSH 18, PSH 18X