PS-445 AGM Battery 4V 4.5Ah
PS-445 AGM Battery 4V 4.5Ah — Compact Sealed Standby Power for Small Electronics & Emergency Systems
The 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.













