Overview
Small, light 12V maintenance-free battery for compact backup systems.
The Leoch 12V 4.5Ah is a sealed VRLA battery that needs no routine maintenance. Its compact size and low self-discharge suit small UPS units, alarm panels, and low-power backup equipment.
Key features
- Maintenance-free VRLA design: no water topping up or routine upkeep.
- Low self-discharge: 3% or less per month at 25°C. Can be stored up to 6 months at 25°C before a freshening charge.
- Wide temperature range: discharge from -15 to 50°C.
- ABS container (flame-retardant UL94 V-0 optional).
Specifications
- Rated voltage: 12V
- Nominal capacity (25°C): 4.5Ah
- Terminal type: T1/T2
- Dimensions: 90 x 70 x 101mm (L x W x H), total height 107mm
- Approx. weight: 1.39kg
- Short-circuit current: 126A
- Internal resistance (fully charged, 25°C): approx. 48 mOhms
- Charge voltage (25°C): standby 2.25-2.30V/cell, cycle use 2.35-2.45V/cell
- Max. charging current: 0.3C
Who it's for
Small UPS units, alarm and security panels, and compact low-power backup equipment.
Backed by manufacturer warranty and Taiyonex support.


