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BP4.5-12-BB Battery12V4.5AH-The universal series is suitable for UPS uninterruptible power supply, electric tools, and emergency lights

**Specifications:**
- **Nominal Voltage:** 12V
- **Nominal Capacity:** 4.5Ah @ 20 hour rate F.V. (1.75V/cell)
- **Approx. Weight:** 1840g (4.06lbs.)
- **Terminal Type:** T1 (Faston Tab 187), T2 is optional
- **Internal Resistance:** ≤42mΩ (Fully Charged)
- **Max. Discharge Current:** 67.5A (5 sec.)
- **Max. Charge Current:** 1.35A
- **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)

BP4.5-12-BB电池12V4.5AH

**VRLA Rechargeable Battery**  
**Model:** BP4.5-12  

**Applications:**  
- UPS  
- Electronic Doorbells  
- Toy-Cars  
- Fans  

**Features:**  
- Maintenance Free (topping up not needed)  
- Non-spillable (no free electrolyte)  
- Low Self Discharge, less than 3% per month  
- Suitable for both Vertical & Horizontal installations  

**Specifications:**  
- **Nominal Voltage:** 12V  
- **Nominal Capacity:** 4.5Ah @ 20 hour rate F.V. (1.75V/cell)  
- **Approx. Weight:** 1840g (4.06lbs.)  
- **Terminal Type:** T1 (Faston Tab 187), T2 is optional  
- **Internal Resistance:** ≤42mΩ (Fully Charged)  
- **Max. Discharge Current:** 67.5A (5 sec.)  
- **Max. Charge Current:** 1.35A  
- **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)  

**Standards:**  
- IEC 61056-1  
- JIS C 8702-1  
- GB/T 19639.1  

**Dimensions (mm/inch):**  
- **Length:** 90±1.5 (3.54±0.06)  
- **Width:** 70±1.5 (2.76±0.06)  
- **Container Height:** 102±1.5 (4.02±0.06)  
- **Total Height:** 106±2.0 (4.17±0.08)  

**Outer Dimensions (mm/inch):**  
- **Terminal T1:** 70±1.5 (2.76±0.06), 80±1.5 (3.54±0.06)  
- **Terminal T2:** 3.2(0.13), 3.4(0.13), 7.95(0.31), 0.8(0.03)  

**Constant Power Discharge Characteristics at 25°C/77°F (Unit: W):**  

| F.V. | Discharge Time | 5 Min | 10 Min | 15 Min | 30 Min | 1 Hr  | 3 Hr  | 5 Hr  | 10 Hr | 20 Hr |
|------|----------------|-------|--------|--------|--------|-------|-------|-------|-------|-------|
| 1.80V|               | 57.1  | 13.12  | 9.04   | 5.054  | 2.660 | 2.700 |       |       |       |
| 1.75V|               | 32.75 | 5.130  |        |        |       |       |       |       |       |
| 1.70V|               | 33.73 | 13.38  | 9.18   | 2.712  | 2.724 | 2.724 |       |       |       |
| 1.65V|               | 34.34 | 13.50  | 9.23   | 5.156  |       |       |       |       |       |
| 1.60V|               | 34.75 | 13.59  | 9.26   | 5.171  | 13.68 |       |       |       |       |

**Constant Current Discharge Characteristics at 25°C/77°F (Unit: A):**  

| F.V. | Discharge Time | 5 Min | 10 Min | 15 Min | 30 Min | 1 Hr   | 3 Hr   | 5 Hr   | 10 Hr  | 20 Hr  |
|------|----------------|-------|--------|--------|--------|--------|--------|--------|--------|--------|
| 1.80V|               | 14.66 | 8.35   | 4.84   | 2.75   | 10.54  | 17.28  | 11.42  | 8.73   | 5.02   |
| 1.75V|               | 18.36 | 11.83  | 9.00   | 5.14   | 2.89   |        |        |        |        |
| 1.70V|               | 19.18 | 12.12  | 9.21   | 5.21   | 2.92   |        |        |        |        |
| 1.65V|               | 19.82 | 12.36  | 9.39   | 5.26   | 2.95   |        |        |        |        |
| 1.60V|               |       |        |        |        |        |        |        |        |        |

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