4-Pack UpStart Battery Compatible APC RBC1 / UB645 Replacement — 6V 4.5Ah (4500mAh) Sealed Lead Acid AGM/SLA, F1 Terminals + 8 F1-to-F2 Adapters

UpStart Battery 4-pack of replacement cells for APC RBC1 and UB645 applications. Each unit is a 6V Universal Sealed Lead Acid (AGM/SLA) battery rated at 4.5Ah (4500mAh) and equipped with F1 terminals. The set includes eight F1 to F2 terminal adapters to ensure compatibility with devices that require F2 connectors. Quantity: 4. Brand: UpStart Battery.