Features
VRLA Rechargeable Battery
EP28-12
- Utilizes Absorbent Glass Mat technology for efficient gas recombination.
- Maintenance-free (no water topping-up required).
- Non-spillable battery with no free acid.
- Can be used in any orientation (excluding inverted use).
- Designed for heavy-duty cyclic applications.
Applications
- UPS
- Golf Carts
- Wheelchairs
- Lawn Mowers
- Electric Vehicles
Specifications
- Nominal Voltage: 12V
- Nominal Capacity: 28Ah @ 20-hour rate F.V. (1.75V per cell)
- Approximate Weight: 9700g (21.39lbs)
- Terminals: B1 (Fitting M5 bolt & nut), T2, and I1 are optional
- Internal Resistance: ≤10mΩ (Fully Charged)
- Max. Discharge Current: 420A (5 sec.)
- Max. Charge Current: 8.4A
- 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) for EP28-12, Optional: Flame Retardant ABS (UL94 V-0) for EP28-12FR
Dimensions (mm/inch)
- Length: 175±1.5 (6.89±0.06)
- Width: 166±1.5 (6.54±0.06)
- Container Height: 125±1.5 (4.92±0.06)
- Total Height: 125±1.5 (4.92±0.06)
EP28-12-BB Battery12V28AH
Features
VRLA Rechargeable Battery
EP28-12
- Utilizes Absorbent Glass Mat technology for efficient gas recombination.
- Maintenance-free (no water topping-up required).
- Non-spillable battery with no free acid.
- Can be used in any orientation (excluding inverted use).
- Designed for heavy-duty cyclic applications.
Applications
- UPS
- Golf Carts
- Wheelchairs
- Lawn Mowers
- Electric Vehicles
Specifications
- Nominal Voltage: 12V
- Nominal Capacity: 28Ah @ 20-hour rate F.V. (1.75V per cell)
- Approximate Weight: 9700g (21.39lbs)
- Terminals: B1 (Fitting M5 bolt & nut), T2, and I1 are optional
- Internal Resistance: ≤10mΩ (Fully Charged)
- Max. Discharge Current: 420A (5 sec.)
- Max. Charge Current: 8.4A
- 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) for EP28-12, Optional: Flame Retardant ABS (UL94 V-0) for EP28-12FR
Dimensions (mm/inch)
- Length: 175±1.5 (6.89±0.06)
- Width: 166±1.5 (6.54±0.06)
- Container Height: 125±1.5 (4.92±0.06)
- Total Height: 125±1.5 (4.92±0.06)
Constant Power Discharge Characteristics at 25°C/77°F (Unit: W)
| Discharge Time | 5 min | 15 min | 3 hr | 5 hr | 10 hr | 20 hr |
|----------------|---------|---------|---------|---------|---------|---------|
| Discharge Current | 81.68 | 83.28 | 84.08 | 85.2 | - | - |
| Discharge Current | 91.20 | - | - | - | - | - |
| Discharge Current | 96.50 | - | - | - | - | - |
Constant Current Discharge Characteristics at 25°C/77°F (Unit: A)
| Discharge Time | 5 min | 10 min | 15 min | 30 min | 1 hr |
|----------------|---------|---------|---------|---------|---------|
| Discharge Current | 166.44 | 166.80 | 166.88 | 166.92 | - |
Discharge Time at Different Voltages (Unit: Hours)
| Voltage | 1.80V | 1.75V | 1.70V | 1.65V | 1.60V |
|----------|-------|-------|-------|-------|-------|
| 5 hr | 82.2 | 60.4 | 48.3 | 28.3 | 16.3 |
| 10 hr | 6.80 | 4.70 | 2.62 | 1.37 | - |
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