APC Back-UPS RS 1000 BR1000 12V 7Ah UPS Battery - This Is an AJC Brand Replacement - Walmart.com
APC Back-UPS RS 1000 BR1000-IN UPS Set of 2 Replacement Batteries
Alpha Technologies ALI Plus BP 700-1000 08 Replacement 12V 7Ah Battery (8 Pack)
APC RS1000 Battery Replacement
Amazon.com: Replacement for APC Back-UPS RS 500VA BR500I Battery UB1280 Universal Sealed Lead Acid Battery (12V,8Ah,8000mAh,F1 Terminal) - Includes Two F1 to F2 Terminal Adapters Compatible with CP1500AVRLCD : Health & Household