MIGHTY MAX BATTERY ML22-12 - 12V 22AH UPS Battery Replaces 21Ah Leoch DJW12-20, DJW 12-20 MAX3424434 - The Home Depot
Dahua DHB12210 12V 21Ah Battery with F3 Terminals
Amazon.com: Chrome Battery 12V 21AH SLA Rechargeable Replacement Battery for UPS Back Up and More: 7.15 x 6.59 x 3.03, Nut and Bolt Terminal : Health & Household