120Ah Batteries for UPS Systems
High-performance 120Ah batteries specifically engineered for uninterrupted power supply systems, delivering reliable backup power with advanced safety features and long service life.
Electrical Specifications
| Rated Voltage |
12V |
| Rated Capacity |
120Ah (20-hour rate C20 at 25°C) |
| Float Charging Voltage |
13.5V–13.8V (daily standby voltage regulation) |
| Equalization Charging Voltage |
14.1V–14.4V (battery recharge/reactivation) |
| Cut-off Voltage |
10.5V per cell |
| Self-Discharge Rate |
≤2%/month at 25°C |
| Internal Resistance |
≤8mΩ (fully charged at room temperature) |
| Short-Term Discharge Current |
Supports 360A high-current discharge |
Physical & Environmental Specifications
| Dimensions |
407mm (L) * 173mm (W) * 208mm (H) |
| Housing Material |
Flame-retardant ABS engineering plastic |
| Terminals |
M8 copper-core embedded terminals |
| Operating Temperature |
Discharge: -15°C to 50°C
Charge: 0°C to 40°C |
| Installation |
Vertical installation; sealed to prevent leakage; can be laid horizontally (do not invert) |
Performance & Lifespan
| Float Charge Lifespan |
5–8 years (standard conditions at 25°C) |
| Cycle Life |
≥300 cycles (80% depth of discharge) |
Safety & Protection Features
- Built-in explosion-proof safety valve
- Overcharge protection
- Leak-proof design
- Shock resistance
Applications
UPS rooms, EPS fire protection systems, energy storage, communication base stations, backup power supplies