5-Pack UpStart Replacement for Tripp Lite SMART 850A (UB645) — 6V 4.5Ah/4500mAh AGM SLA, F1 Terminal — Includes 10 F1→F2 Adapters

UpStart 5-pack of replacement batteries compatible with the Tripp Lite SMART 850A (UB645). Each battery is a 6V sealed lead acid (AGM/SLA) unit rated at 4.5Ah (4500mAh) and comes with F1 terminals. The bundle includes 10 F1 to F2 terminal adapters to adapt the F1 posts to F2-style connections. Quantity: 5. Brand: UpStart Battery. Compatible as a universal sealed lead acid replacement for UB645 applications.