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BC28-12-BB Battery12V28Ah-Deep Cycle Series Suitable for UPS Uninterruptible Power Supply, Power Tools, Emergency Lights

FEATURES:
- Maintenance free (no water topping-up required)
- No free acid (Non-spillable battery)
- Can be used in any orientation (excluding used inverted)
- Absorbent Glass Mat technology for efficient gas recombination

SPECIFICATIONS:
- Nominal Voltage: 12V
- Nominal Capacity: 28.0 Ah @ 20 hour rate F.V. (1.75V/cell)
- Approx. Weight: 7900g (17.42lbs.)
- Terminals: B1 (Fitting M5 bolt & nut), T2 and I1 are optional
- Internal Resistance: ≤14mΩ (Fully Charged)
- Max. Discharge Current: 420 A (5 sec.)
- Max. Charge Current: 8.4 A
- 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)
- Container Material:
- Standard: ABS (UL94 HB)
- Optional: Flame Retardant ABS (UL94 V-0)

DIMENSIONS (mm/inch):
- OUTER DIMENSIONS:
- Length: 175+1.5 (6.89+0.06)
- Width: 81+1.5 (7.13±0.06)
- Container Height: 166+1.5 (6.54+0.06)
- Total Height: 125+1.5 (4.92+0.06)

BC28-12-BB Battery12V28Ah

VRLA Rechargeable Battery
BC28-12

APPLICATIONS:
- UPS
- Electronic Medical Equipment

FEATURES:
- Maintenance free (no water topping-up required)
- No free acid (Non-spillable battery)
- Can be used in any orientation (excluding used inverted)
- Absorbent Glass Mat technology for efficient gas recombination

SPECIFICATIONS:
- Nominal Voltage: 12V
- Nominal Capacity: 28.0 Ah @ 20 hour rate F.V. (1.75V/cell)
- Approx. Weight: 7900g (17.42lbs.)
- Terminals: B1 (Fitting M5 bolt & nut), T2 and I1 are optional
- Internal Resistance: ≤14mΩ (Fully Charged)
- Max. Discharge Current: 420 A (5 sec.)
- Max. Charge Current: 8.4 A
- 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)
- Container Material:
  - Standard: ABS (UL94 HB)
  - Optional: Flame Retardant ABS (UL94 V-0)

DIMENSIONS (mm/inch):
- OUTER DIMENSIONS:
  - Length: 175+1.5 (6.89+0.06)
  - Width: 81+1.5 (7.13±0.06)
  - Container Height: 166+1.5 (6.54+0.06)
  - Total Height: 125+1.5 (4.92+0.06)

Constant power discharge characteristics at 25°C/77°F (Unit: W):

| Discharge Time | 10 Min  | 30 Min  | 1 Hr   | 3 Hr   | 5 Hr   | 15 Min |
|----------------|---------|---------|--------|--------|--------|--------|
| 10 Hr          | 317.3   | 329.6   | 357.1  | 369.6  | 373.1  | 383.1  |
| 20 Hr          | 316.5   | 321.9   | 324.4  | 328.2  | 329.6  | -      |

Constant current discharge characteristics at 25°C/77°F (Unit: A):

| Discharge Time | 5 Min  | 10 Min | 15 Min | 30 Min | 1 Hr   | 3 Hr   |
|----------------|--------|--------|--------|--------|--------|--------|
| 10.8V          | 64.1   | 73.3   | 80.2   | 85.4   | 89.9   | 96.0   |
| 10.5V          | 51.7   | 56.1   | 58.1   | 60.6   | -      | -      |
| 10.2V          | 41.9   | 43.8   | 45.1   | 46.2   | 47.1   | -      |
| 9.9V           | 27.1   | 28.2   | 28.9   | 29.3   | 29.5   | -      |
| 9.6V           | 16.8   | 17.3   | 17.6   | 18.0   | -      | -      |

These details should be helpful. Let me know if you need further assistance!

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