5V 1A USB Charger
KinStar Hailong G80 48V 21Ah eBike Battery is available to add a 5V 1A USB charger, which is convenient and friendly to the riders for charing mobile phone or other portable devices.
Excellent battery efficiency
KinStar Hailong G80 48V 21Ah eBike Battery provide staying power, demonstrably have high energy density with streamlined design, small size and low weight for maximum riding pleasure.
Fast charge and no memory effect
KinStar Hailong G80 48V 21Ah eBike Battery can be full charged in about 6.0 hours, durable energy storage without memory effect and extremely low self-discharge.
Long service life
The BMS(Battery Management System) offers maximum protection against overcharging, overdischarging, overcurrent, overheating and short circuits as well as extending the service life of the battery pack.
| Items | Specifications | Notes |
| Nominal capacity | 21Ah | 0.2C discharge at 25°C |
| Nominal voltage | 46.8V | Average operating voltage |
| Nominal energy | 982.8Wh | Capacity(Ah) × Voltage(V) |
| Charging voltage | 54.60 ± 0.05V | |
| Charging current | 4A 丨5A | Standard丨Rapid |
| Charging time | 7.0 hours 丨6.0 hours | Standard丨Rapid |
| Charging method | CC - CV | Constant current, constant voltage |
| Continuous discharge current | 10A 丨15A | Standard丨Maximum |
| Peak discharge current | 45A | Within a short time |
| Discharge end voltage | 35.75V | Discharge cut-off voltage |
| Dimensions | 368mm丨90mm丨127mm | Length丨Width丨Height |
| Typical weight | 5.10 KG | 179.90 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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