Customization: | Available |
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Type: | Lead-Acid Batteries |
Usage: | Car, UPS, Electric Power, Lighting, Electric Bicycle |
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Cells per Unit | 2 |
Normal Voltage | 4V |
Capacity | 4Ah@20Hr-rate to 1.75V per cell@25ºC |
Weight | Approx. (0.45±3%)kg(1.058lbs) |
Maximum Discharge Current | 40A(5sec) |
Internal Resistance | Approx. 22mΩ 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 | 1.2A |
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)/F2(0.250) |
Container Material | ABS(UL94-HB) *Flammability resistance of (UL94-V0) can be available upon request |
Standby 4V series batteries | ||||||||||||||
Battery Model | Nominal Voltage(V) | Nominal Capacity (AH) |
Length | Width | Height | Total Height | Weight(5%) | Terminal | ||||||
In | mm | In | mm | In | mm | In | mm | Pound | Kg | Type | Position | |||
2FM3.5 | 4 | 3.5 | 3.55 | 90 | 1.34 | 34 | 2.37 | 60 | 2.6 | 66 | 0.88 | 0.44 | ||
2FM4 | 4 | 4 | 1.87 | 47.5 | 1.87 | 47.5 | 3.98 | 101.5 | 4.21 | 106 | 1.1 | 0.5 | ||
2FM4.5 | 4 | 4.5 | 1.87 | 47.5 | 1.87 | 47.5 | 3.98 | 101.5 | 4.21 | 106 | 1.14 | 0.52 | ||
2FM6 | 4 | 6 | 2.76 | 70 | 1.87 | 47.5 | 3.98 | 101 | 4.21 | 107 | 1.54 | 0.7 | F1 | D |