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Topband 48v 20ah rechargeable lifepo4 battery pack for electric
two-wheeler
1. Feature:
2. Specification
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2.1 | Normal capacity | 20Ah | |
Minimum capacity | 19Ah | ||
2.2 | Nominal energy | 1.024kWh | |
2.3 | Nominal voltage | 51.2V | |
2.4 | Internal resistance | ≤60mΩ @1kHz AC | |
2.5 | Normal charge voltage | 57.6±0.5V | |
2.6 | Float charge voltage(for Standby use) | 54.4±0.8V | |
2.7 | Allowed MAX charge current | 20A | |
2.8 | Recommended charge current | 4A | |
2.9 | Allowed MAX discharge current | 30A | |
2.10 | End of discharge voltage | 50V~55V | |
2.11 | Pulse discharge current | Withstand the 50A/0.5s | |
2.12 | Dimension | Length 325 ±2 mm | |
Width 185 ±2 mm | |||
Height 180 ±2 mm | |||
2.13 | Weight (No accessories) | About: 10Kg | |
2.14 |
| Charge | 0~43℃ |
Discharge | -20~60℃ | ||
2.15 | Self-discharge rate | ≤3%/Month; ≤15%/ year | |
2.16 |
| ≤1month | -20~+60℃,5~75%RH |
≥3month | -10~+43℃,5~75%RH | ||
| 15~33℃,5~75%RH |
4. Circuit Protection
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4.1 |
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| 3.65±0.03V |
| 3.34±0.03V | ||
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4.2 |
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| 2.50±0.03V |
| 2.90±0.03V | ||
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4.3 |
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| 34A~36A,delay time 0.5~1.5s |
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| 34A~36A,delay time 0.5~1.5s | ||
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4.4 |
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4.5 | MOS |
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5.Transport & Store
The battery need to be charged every 6 months if out of use
No fall down, no pile up over 6 layers, and keep face up.