MSB-1500-B.B.Battery2V1500AH-Valve controlled sealed lead-acid batteries are suitable for uninterruptible power supply (UPS) systems, telecommunications systems, and industrial vehicles

b.b.battery MSB-1500 (2V, 1500Ah) VRLA Rechargeable Battery

**Features**
- Sealed structure, no electrolyte leakage or spill.
- High-performance alloy ensures corrosion resistance.
- Unique electrolyte system achieves maximum service life.
- Low self-discharge rate, less than 3% capacity loss per month.
- Special paste formula promotes good charging acceptance.
- Electrolyte with gel technology.

**Applications**
- Telecom
- UPS
- Central Office
- Energy Storage Systems

**Specifications**
- **Nominal Voltage:** 2V
- **Nominal Capacity:** 1500Ah @ 10-hour rate (1.80V/cell)
- **Approx. Weight:** 128.0 Kg (282.2 lbs.)
- **Terminals:** B6 (Fitting M8 bolt & nut)
- **Internal Resistance:** ≤0.4mΩ (Fully Charged)
- **Max. Discharge Current:** 6000A (5 sec.)
- **Max. Charge Current:** 375A
- **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:** MH19884

**Dimensions (mm/inch)**
- **Length:** 400 ± 2.0 (15.75 ± 0.08)
- **Width:** 350 ± 2.0 (13.78 ± 0.08)
- **Container Height:** 341 ± 2.0 (13.43 ± 0.08)
- **Total Height:** 369 ± 2.0 (14.53 ± 0.08)

**Constant Power Discharge Characteristics at 25°C/77°F (Unit: W)**
| Discharge Time | 5 Hr    | 10 Hr   | 12 Hr   | 20 Hr   |
|----------------|---------|---------|---------|---------|
| 1.85V          | 279.0   | 241.8   | 150.6   | 453.0   |
| 1.80V          | 333.8   | 403.5   | 295.3   | 184.6   |
| 1.75V          | 368.3   | 457.5   | 606.6   | 618.8   |
| 1.70V          | 631.5   | 747.0   | 682.3   | 742.5   |
| 1.65V          | 857.9   | 606.6   | 618.8   | 631.5   |
| 1.60V          | 1085.7  | 803.7   | -       | -       |

**Constant Current Discharge Characteristics at 25°C/77°F (Unit: A)**
| Discharge Time | 1 Hr    | 2 Hr    | 3 Hr    | 4 Hr    | 5 Hr    | 6 Hr    | 8 Hr    | 12 Hr   | 20 Hr   |
|----------------|---------|---------|---------|---------|---------|---------|---------|---------|---------|
| 1.85V          | 720.0   | 353.7   | 150.0   | -       | -       | -       | -       | -       | -       |
| 1.80V          | 495.0   | 375.0   | 306.0   | 255.0   | 270.0   | 217.5   | 181.5   | 189.8   | 128.7   |
| 1.75V          | 847.5   | 397.1   | 549.8   | 164.3   | 138.2   | 85.8    | 88.7    | -       | -       |
| 1.70V          | 909.0   | 413.8   | 329.3   | 279.0   | 240.0   | 249.0   | 196.5   | 167.3   | -       |
| 1.65V          | 564.8   | 427.6   | 337.5   | 202.5   | 945.8   | 286.5   | 140.0   | -       | -       |
| 1.60V          | 581.3   | 436.8   | 343.5   | 206.3   | 168.8   | 141.3   | 87.2    | 969.8   | 291.0   |