Prostar 6ps0220 replacement sealed lead acid batteryThe BOOSTER3 battery is designed to replace the Prostar 6PS0220 battery. It will fit any Booster or Jump start battery that uses the Prostar 6PS0220 battery and also any 12V 18A H 20AH 22AH battery it will replace the 12V 20A H and 12V 18AH but will have a higher runtime. Please check how many batteries you need before ordering. Most Boosters use one of these batteries but some do use four. The BOOSTER3 is designed to replace these capacities of