Specifications
- **Nominal Voltage**: 12 V
- **Nominal Capacity**: 28Ah @ 20-hour rate (per cell 1.75V)
- **Approx. Weight**: 9600g (21.17lbs.)
- **Terminals**: B1 (Fitting M5 bolt & nut), T2, and I1 are optional
- **Internal Resistance**: ≤10mΩ (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 (UL94HB), optional Flame Retardant ABS (UL94 V-0)
- **Dimensions (mm/inch)**:
- **Length**: 175 ± 1.5 (6.89 ± 0.06)
- **Width**: 166 ± 1.5 (6.54 ± 0.06)
- **Container Height**: 123 ± 1.5 (4.84 ± 0.06)
- **Total Height**: 125 ± 1.5 (4.92 ± 0.06)
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####
BPS28-12-BB Battery12V28AH
### VRLA Rechargeable Battery
**Model: BPS28-12**
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#### Features
- Maintenance-free (no water topping-up required)
- Suitable for UPS (Uninterruptible Power Supplies)
- No free acid (Non-spillable battery)
- Suitable for Golf Carts
- Suitable for Lawn Mowers
- Low self-discharge rate, lower than 3% capacity loss per month
- Can be used in any orientation (excluding inverted use)
- Absorbent Glass Mat technology for efficient gas recombination
- Suitable for Wheelchairs
- Suitable for Electronic Medical Equipment
---
#### Specifications
- **Nominal Voltage**: 12 V
- **Nominal Capacity**: 28Ah @ 20-hour rate (per cell 1.75V)
- **Approx. Weight**: 9600g (21.17lbs.)
- **Terminals**: B1 (Fitting M5 bolt & nut), T2, and I1 are optional
- **Internal Resistance**: ≤10mΩ (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 (UL94HB), optional Flame Retardant ABS (UL94 V-0)
- **Dimensions (mm/inch)**:
- **Length**: 175 ± 1.5 (6.89 ± 0.06)
- **Width**: 166 ± 1.5 (6.54 ± 0.06)
- **Container Height**: 123 ± 1.5 (4.84 ± 0.06)
- **Total Height**: 125 ± 1.5 (4.92 ± 0.06)
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#### Constant Power Discharge Characteristics at 25°C/77°F (Unit: W)
| Time | 1 Hr | 15 Min | 30 Min | 3 Hr | 5 Hr | 10 Hr | 20 Hr |
|------|--------|--------|--------|--------|--------|--------|--------|
| Power| 101.2 | 117.7 | 124.5 | 74.5 | 59.7 | 35.5 | 36.9 |
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#### Constant Current Discharge Characteristics at 25°C/77°F (Unit: A)
| Time | 10 Hr | 3 Hr | 5 Hr |
|------|--------|--------|--------|
| Current| 4.35 | 4.42 | 4.44 |
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#### Constant Current Discharge Characteristics at 25°C/77°F (Unit: A)
| Time | 5 Min | 10 Min | 15 Min | 30 Min | 1 Hr | 20 Hr |
|------|--------|--------|--------|--------|--------|--------|
| Current| 940 | 1088 | 1156 | 1208 | 1248 | 692 |
| Voltage| 1.80V | 1.75V | 1.70V | 1.65V | 1.60V | |
| Time | 5 Min | 10 Min | 15 Min | 30 Min | 1 Hr | 20 Hr |
|------|--------|--------|--------|--------|--------|--------|
| Current| 6.32 | 6.44 | 6.50 | 6.42 | 6.46 | 6.50 |
| Voltage| 1.80V | 1.75V | 1.70V | 1.65V | 1.60V | |
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These are the specifications and characteristics of the BPS28-12 battery. Let me know if you need more information.
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