MSU-300-BB Battery2V300AH-Valve controlled sealed colloidal batteries are suitable for uninterruptible power supply (UPS), laboratory equipment, and telecommunications systems

## VRLA Rechargeable Battery
### MSU-300 (2V, 300Ah)

**FEATURES**
- APPLICATIONS: Telecom, UPS Central Office, Energy Storage Systems
- Sealed structure, no electrolyte leakage or spill.
- High-performance alloy to ensure 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:** 300Ah @ 10-hour rate (1.80V/cell)
- **Approx. Weight:** 19.0kg (41.9lbs)
- **Terminals:** B6 (Fitting M8 bolt & nut) I3 is optional
- **Internal Resistance:** ≤1.0mΩ (Fully Charged)
- **Max. Discharge Current:** 1350A (5 sec.)
- **Max. Charge Current:** 75A
- **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:** MH1988

**DIMENSIONS (mm/inch)**
- **Outer Dimensions:**
  - **Length:** 171+2.0 (6.73+0.08)
  - **Width:** 171+2.0 (6.73+0.08)
  - **Container Height:** 330+2.0 (12.99+0.08)
  - **Total Height:** 358+2.0 (14.09+0.08)

**Constant Power Discharge Characteristics at 20°C/68°F (Unit: W)**
| Discharge Time | 3 Hr  | 4 Hr  | 5 Hr  | 6 Hr  | 10 Hr | 12 Hr | 20 Hr |
|----------------|-------|-------|-------|-------|-------|-------|-------|
| 1.60V          | 105.2 | 90.6  | 98.7  | 115.8 | 121.3 | 103.2 | 123.8 |

**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          | 210.0  | 144.0 | -     | -     | 70.7  | -     | -     | 47.0  | 40.5  | 33.0  | 28.1  |
| 1.80V          | -      | 99.0  | 75.0  | 51.0  | 36.3  | 30.0  | 25.75 | 26.90 | 27.65 | 28.00 | 28.27 |
| 1.75V          | -      | -     | 234.0 | 159.0 | 61.2  | 43.5  | 46.5  | 54.0  | 38.0  | -     | -     |
| 1.70V          | 258.5  | 169.5 | 105.5 | 79.4  | 64.2  | 31.7  | -     | -     | -     | -     | -     |
| 1.65V          | 286.5  | 181.8 | 110.0 | 82.8  | 65.9  | 55.8  | 48.0  | 39.3  | 32.9  | 67.5  | 57.3  |
| 1.60V          | -      | -     | 306.8 | 322.5 | 189.2 | 113.0 | 85.5  | 49.8  | 50.3  | 40.5  | 41.3  |