12V 120AH VRLA Sealed Lead Acid Battery with 10-Year Design Life and 36kg Weight for Backup Power Systems
The 12V 120AH Valve Regulated Sealed Lead Acid (VRLA) Battery is a maintenance-free power solution designed for critical applications requiring reliable backup power. With a 10-year design life and robust construction, this battery delivers consistent performance across various operating conditions.
- Hospital and medical facilities
- Power stations and utility systems
- Telecommunication control systems
- Communications equipment
- Electronic switching systems
- Backup power supply systems
- Emergency equipment
| Parameter | Specification |
|---|---|
| Battery Type | VRLA (Valve Regulated Lead Acid) |
| Nominal Voltage | 12V |
| Rated Capacity | 120Ah (10 Hr, 10.8V, 25℃) |
| Dimensions (L×W×H) | 407mm × 175mm × 210mm |
| Design Life | 10 years |
| Weight | 36kg |
| Operating Temperature | -40℃ to 60℃ |
| Optimum Temperature | 20℃ to 25℃ |
| Self-discharge Rate | <0.1% per day (20℃) |
| Container Material | ABS |
| Screw Hole Size | Female Copper Insert M8 |
High-tin alloy grids provide strong corrosion resistance, delivering 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%.
Precise vacuum acid filling and container formation ensure uniform performance across all units.
Optimized plate spacing and high-pressure assembly enhance high-current discharge capabilities.
Patented terminal sealing construction prevents acid leakage for safe, reliable operation.
Gas recombination technology eliminates the need for water refilling throughout battery life.
AGM separator design allows both vertical and horizontal mounting positions for versatile installation.
| Final Voltage/Time | 5min | 10min | 15min | 30min | 1h | 2h | 3h | 4h | 5h | 8h | 10h | 20h |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.60V | 349.0 | 258.0 | 213.0 | 131.0 | 81.1 | 47.1 | 34.0 | 27.1 | 22.6 | 15.4 | 12.7 | 6.85 |
| 1.67V | 312.0 | 237.0 | 200.0 | 125.0 | 79.0 | 46.3 | 33.6 | 26.8 | 22.3 | 15.2 | 12.6 | 6.70 |
| 1.70V | 278.0 | 216.0 | 189.0 | 121.0 | 77.1 | 45.7 | 33.2 | 26.5 | 22.1 | 15.0 | 12.4 | 6.54 |
| 1.75V | 242.0 | 200.0 | 176.0 | 116.0 | 75.6 | 44.9 | 32.7 | 26.2 | 21.8 | 14.8 | 12.2 | 6.42 |
| 1.80V | 214.0 | 182.0 | 164.0 | 111.0 | 73.1 | 43.9 | 32.0 | 25.6 | 21.3 | 14.5 | 12.0 | 6.30 |
| 1.85V | 183.0 | 164.0 | 149.0 | 105.0 | 69.9 | 42.2 | 31.0 | 24.8 | 20.8 | 14.2 | 11.7 | 6.15 |
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