| Type: | Lead-Acid Batteries |
|---|---|
| Usage: | Bus, Electric Power, Lighting, Electric Bicycle, Boat |
| Nominal Voltage: | 4V |
| Discharge Rate: | Low Discharge Rate |
| Shape: | Square Battery |
| Electrolyte: | Acid |
| Samples: |
|---|
| Customization: |
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Suppliers with verified business licenses
Audited Supplier | Cells per Unit | 2 |
| Normal Voltage | 4V |
| Capacity | 3.5Ah@20Hr-rate to 1.75V per cell@25ºC |
| Weight | Approx. (0.44±3%)kg(1.058lbs) |
| Maximum Discharge Current | 35A(5sec) |
| Internal Resistance | Approx. 28mΩ full charged @25ºC |
| Operating Temperature Range | Discharge: -20ºC~60ºC Charge: 0ºC~50ºC Storage: -20ºC~60ºC |
| Nominal Operating Temperature Range | 25ºC±3ºC(77ºF±5ºF) |
| Float Charging Voltage | 4.5~4.6VDC/unit Average @25ºC |
| Maximum Charging Current | 1.05A |
| Equalization and Cycle Service | 4.8V~5.0VDC/unit Average @ 25ºC |
| Self Discharge | LONGWAY Valve Regulated Lead Acid (VRLA) batteries can be stored for more than 6 months at 25ºC. Self-discharge ratio less than 3% per month at 25ºC. Please charge batteries before using. |
| Terminal | F1(0.187) |
| Container Material | ABS(UL94-HB) *Flammability resistance of (UL94-V0) can be available upon request |
| Battery Model | Voltage(V) | Capacity(Ah) | Dimension(mm±2) | Weight(kg) | Terminal |
| 2FM2 | 4 | 2 | 48.71*26.1*75.52 | 0.2 | F1 |
| 2FM2.5 | 4 | 2.5 | 63*28*85*90 | 0.29 | F1 |
| 2FM3.5 | 4 | 3.5 | 90*34*60*66 | 0.44 | F1 |
| 2FM4 | 4 | 4.0 | 47.5*47.5*101*106 | 0.45 | F1 |
| 2FM4.5 | 4 | 4.5 | 47.5*47.5*101*106 | 0.48 | F1 |
| 2FM5 | 4 | 5.0 | 47.5*47.5*101*106 | 0.55 | F1 |
| 2FM6 | 4 | 6.0 | 70*47.5*101*107 | 0.66 | F1 |
| 2FM10 | 4 | 10 | 102*44.5*94.5*101 | 0.95 | F1 |
Suppliers with verified business licenses
Audited Supplier 
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