12v 20 a/h booster - jumpstart pack battery (agm)THe BOOSTER2 battery is designed to replace any Booster or jumpstart battery that uses a 12V 20A H battery it will replace the 12V 20A H and 12V 22AH Please check how many batteries you need before ordering. Most PAcks use one of these batteries but some do use four. The BOOSTER2 is designed to replace these capacities of battery 12V 18AH; 12V20AH, 12V 22AH Chemistry Sealed Lead Acid Voltage 12V Capacity 20A H Warranty 1 Year Model Number BOOSTER2