2-PACK 12V 22Ah UPS Battery Replaces 20Ah Kung Long WP20-12

PowerStar 12v 22AH UB122220 SLA Battery 2 Year Warranty SLA/AGM maintenance free, spill proof batteryYou may also like PowerStar PS12-18-115 12V 18Ah SLA Battery for APC Smart-Ups 1400, 1500.