PS-445 AGM Battery 4V 4.5Ah — Compact Sealed Standby Power for Small Electronics & Emergency SystemsThe Power-Sonic PS-445 is a compact 4V 4.5Ah AGM (Absorbed Glass Mat) sealed lead-acid battery designed for small standby and cyclic applications where a 4V power source is required. Its ultra-compact form factor and sealed, valve-regulated construction make it ideal for emergency lighting cells, small UPS units, medical devices, and specialty electronic equipment.Completely maintenance-free and spill-proof, the PS-445 can be installed in any orientation and operates safely in enclosed environments. Backed by a 12-month warranty and built to Power-Sonic's globally recognized quality standards.Key Features 4V / 4.5Ah (20h rate) — compact 4V capacity for specialty standby and cyclic applications Ultra-compact form factor — only 635g, fits tight spaces in small electronics and emergency systems AGM sealed construction — maintenance-free, spill-proof, mountable in any orientation Valve-regulated (VRLA) — safe for indoor use in enclosed and sensitive environments Power-Sonic quality — globally trusted brand for standby and cyclic AGM batteries 12-month warranty — backed by Power-Sonic Specifications Voltage: 4V Capacity: 4.5Ah (20h rate) Chemistry: AGM (Pb) — Sealed Lead Acid Dimensions: 1.89" x 2.09" x 3.86" (48 x 53 x 98 mm) Weight: 0.635 kg Part/Model Number: PS-445 Brand: Power-Sonic Warranty: 12 months Ideal For Emergency and exit lighting battery cells Small UPS and backup power systems Medical and portable electronic devices Security and alarm systems requiring 4V cells Specialty electronics and instrumentation Ships from Thunder Battery — Canada's trusted energy storage dealer.
