UpStart UB645 6V 4.5Ah (4500mAh) SLA/AGM Battery — 5-Pack Compatible Replacement for Criticare Systems 504 with 10 F1→F2 Adapters

Five-pack of UpStart Battery UB645 sealed lead-acid (SLA) batteries, rated 6V, 4.5Ah (4500mAh). These AGM, maintenance-free units come fitted with F1 terminals and serve as compatible replacement batteries for Criticare Systems 504. Package includes 10 F1 to F2 terminal adapters (enough adaptors for all five batteries). Ideal as direct replacements where UB645 or F1-terminal 6V 4.5Ah SLA batteries are specified.