Yuasa NP1.2-12 has been cross-referenced to be compatible and replace Douglas Guardian DBG121.2 sealed lead acid Battery. This 6 cell battery by Yuasa is rated at 12V 1.2Ah 14 Whr. Yuasa NP1.2-12 battery are designed using proven gas recombination technology which removes the need for regular water addition by controlling the evolution of hydrogen and oxygen during charging. Gas recombination provides the user with freedom to use lead acid batteries in a wide range of applications.