MSU-1200-BB Battery2V1200AH-Valve controlled sealed colloidal batteries are suitable for uninterruptible power supply (UPS), laboratory equipment, and telecommunications systems

## VRLA Rechargeable Battery
### MSU-1200 (2V, 1200Ah)

**FEATURES**
- Sealed structure, no electrolyte leakage or spillage.
- Suitable for Telecom, UPS, Central Office, and Energy Storage Systems applications.
- High-performance alloy ensures corrosion-proof feature.
- Unique electrolyte system achieves maximum service life.
- Special paste formula promotes good charging acceptance.
- Electrolyte with gel technology.

**SPECIFICATIONS**
- **Nominal Voltage:** 2V
- **Nominal Capacity:** 1200Ah @ 10-hour rate F.V. (1.80V/cell)
- **Approx. Weight:** 71.5kg (157.6lbs.)
- **Terminals:** B6 (Fitting M8 bolt & nut, I3 is optional)
- **Internal Resistance:** ≤0.5mΩ (Fully Charged)
- **Max. Discharge Current:** 4800A (5 sec.)
- **Max. Charge Current:** 300A
- **Operating Temperature Range:**
  - Charge: 0°C~40°C (32°F~104°F)
  - Discharge: -20°C~50°C (-4°F~122°F)
  - Storage: -20°C~40°C (-4°F~104°F)
- **Safety Valve:** Opening pressure 10~35 kPa
- **Container Material:** Standard ABS (UL94 HB) or optional Flame Retardant ABS (UL94 V-0)

**DIMENSIONS (mm/inch)**
- **Outer Dimensions:**
  - **Length:** 475±2.0 (18.70±0.08)
  - **Width:** 175±2.0 (6.89±0.08)
  - **Container Height:** 328±2.0 (12.91±0.08)
  - **Total Height:** 356±2.0 (14.02±0.08)

**Constant Power Discharge Characteristics at 20°C/68°F (Unit: W)**
| Discharge Time | 30 Min | 1 Hr   | 2 Hr   | 3 Hr   | 4 Hr   | 5 Hr   | 6 Hr   | 8 Hr   | 10 Hr  | 12 Hr  | 20 Hr  |
|----------------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|
| 1.85V          | 362.4  | 394.8  | 412.8  | 423.0  | 429.0  | 435.0  | -      | 420.6  | 463.2  | 485.3  | 495.0  |
| 1.80V          | 1573.8 | 1746.0 | -      | 1080.0 | 1188.0 | 1260.0 | 694.8  | 750.0  | 795.0  | 541.2  | 573.3  |

**Constant Current Discharge Characteristics at 20°C/68°F**
| Discharge Time | 30 Min | 1 Hr   | 2 Hr   | 3 Hr   | 4 Hr   | 5 Hr   | 6 Hr   | 8 Hr   | 10 Hr  | 12 Hr  | 20 Hr  |
|----------------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|--------|
| 1.85V          | 840.0  | 576.0  | 936.0  | 636.0  | -      | -      | -      | -      | -      | -      | -      |
| 1.80V          | 678.0  | 1033.8 | -      | -      | -      | -      | -      | -      | -      | -      | -      |
| 1.75V          | 1146.0 | 727.2  | 756.6  | -      | -      | -      | -      | -      | -      | -      | -      |
| 1.70V          | -      | -      | -      | -      | -      | -      | -      | -      | -      | -      | -      |
| 1.65V          | 1227.0 | -      | -      | -      | -      | -      | -      | -      | -      | -      | -      |
| 1.60V          | 1290.0 | 775.8  | -      | -      | -      | -      | -      | -      | -      | -      | -      |