12V 250Ah VRLA Lead Acid Battery with 10-Year Design Life and Superior Cycling Performance for UPS Systems
This 12V 250Ah Valve Regulated Lead Acid (VRLA) battery delivers exceptional performance with 10-year design life and superior cycling capabilities. Engineered for demanding applications requiring reliable backup power.
- Oxygen recombination technology for maintenance-free operation
- Pb-Ca-Sn alloy plate grids minimize gassing and self-discharge
- High-quality AGM separator extends cycle life and prevents micro short circuits
- ABS material construction with optional flame-retardant properties
- High-purity raw materials ensure low self-discharge rate
- Silver-coated copper terminals enhance electrical conductivity
| Parameter | Specification |
|---|---|
| Nominal Voltage | 12V |
| Rated Capacity | 250Ah (10 Hr, 10.8V, 25℃) |
| Dimensions | 521mm × 269mm × 221mm × 225mm |
| Design Life | 10 years |
| Weight | 72kg |
| Operating Temperature | -40℃ to 60℃ |
| Internal Resistance | Approx. 0.0026 Ohm (fully charged @ 20°C) |
| Max Charge Current | 62.5A |
| Max Discharge Current (5S) | 1000A |
| Short Circuit Current | 4600A |
| Self-discharge Rate | <0.1% per day (20℃) |
High-tin alloy grids provide strong corrosion resistance with float charging life exceeding 5 years.
Ultra-fine glass fiber separators enable 95% restoration after multiple over-discharges.
Special gel electrolyte additives and advanced curing processes improve deep cycle endurance by 50%.
Small plate distance and high-pressure assembly enhance large current discharge performance.
AGM separator technology allows both vertical and horizontal mounting positions.
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