**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| | | | | | | | | | |
Contact: Albert Shu
Phone: 13775032303
Tel: 400-1177-032
Email: 13775032303@139.com
Add: Room 2-3208, Financial Street Rongyu, No. 780 Wanhangdu Road, Jing'an District, Shanghai, China