2-Pack Compatible Replacement Battery for APC BACK-UPS 1000 BK1000 — UB12120 12V 12Ah (12000mAh) Sealed Lead Acid AGM, F1 Terminal — Includes 4 F1 to F2 Terminal Adapters

Two UpStart Battery Brand replacement cells compatible with APC BACK-UPS 1000 BK1000 (UB12120). Each battery is a UB12120-format 12V sealed lead acid (SLA) AGM unit rated 12Ah (12000mAh) and equipped with an F1 terminal. This 2x pack also ships with four F1 to F2 terminal adapters to accommodate alternate connection types. Sold as direct replacements for the original UB12120 used in APC BACK-UPS 1000 BK1000 units.