12v 22 a/h booster - jumpstart pack battery replacement (agm)THe BOOSTER3 battery is designed to replace any Booster or Jump start battery that uses a 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 battery 12V 18AH; 12V20AH 12V 22AH Chemistry Sealed Lead Acid Voltage 12V Capacity