CSB Battery 12V 21W High Rate SLA Battery (4 PK)
(Four Pack) CSB Battery HR1221WF2 is specifically designed for high efficient discharge application. Rated at 12V 5.1Ah (21 Watt per cell), its characteristics are small volume, light weight and high discharge efficiency. It can be used for more than 260 cycles at 100% discharge. Has a design life of three to five years in standby service.