Excellent battery efficiency
For maximum lasting time, Kinstar 48V 20.8Ah Li-ion rechargeable battery demonstrably have maximum energy density with small size and low weight - guaranteeing maximum output power.
Fast charge and no memory effect
Kinstar 48V 20.8Ah battery pack can be full charged in about 5 hours, faster than Ni-MH, Ni-Cd or Lead acid batteries. Durable energy storage without memory effect and with minimal self-discharge.
Long service life
The battery management system(BMS) offers maximum protection against overcharging, overdischarging, overcurrent, overheating and short circuits as well as extending the service life of the battery pack.
Environment friendly and easy handling
Lithium-ion batteries are clean energy provider with staying power and zero emission. It is simple to handle them without any danger, if read instruction before using the batteries.
| Items | Specifications | Notes |
| Nominal capacity | 20.8Ah | 4.16A discharge at 25°C |
| Nominal voltage | 46.8V | Average operating voltage |
| Nominal energy | 973.4Wh | Capacity(Ah) × Voltage(V) |
| Charging voltage | 54.6 ± 0.05V | |
| Charging current | 4000mA 丨6000mA | Standard丨Rapid |
| Charging time | 6.0 hours 丨5.0 hours | Standard丨Rapid |
| Charging method | CC - CV | Constant current, constant voltage |
| Continuous discharge current | 4160mA 丨30A | Standard丨Maximum |
| Peak discharge current | 60A | Within a short time |
| Discharge end voltage | 35.75V | Discharge cut-off voltage |
| Dimensions | 295丨63丨195丨290丨38丨72mm | 11.6"丨2.5"丨7.7"丨11.4"丨1.5"丨2.8" |
| Typical weight | 4500g | 158.70 oz |
| Charge temperature range | +10 ~ +45°C | +50 ~ 110°F |
| Discharge temperature range | -20 ~ +60°C | -4 ~ +140°F |
| Storage temperature | -20 ~ +45°C | Within 3 months |
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