For example, 48V charger, the highest voltage is not more than 59.6V, if the voltage is greater than this voltage, the charging may not turn on. The low voltage is not less than 55V. If the voltage is lower than this voltage, it will cause insufficient charging, which will cause the battery to lose power for a long time. Current, such as 48V20A charging The maximum current is not more than 3A. More than 3A may cause the battery to lose water earlier, and the minimum is not less than 2.1A. Low voltage and this current cause insufficient charging.
Precautions:
1:48V new battery requires charger parameters, the highest voltage is 58.5---59.7, not lower than 58V, lower than 58V will cause insufficient charging, higher than 59.7V may cause charging not to turn lights. The lamp current is about 0.4---0.7A, and the actual voltage is about 55.5V. If it is lower than 50V, the charging will be insufficient and the battery will be charged for a long time.
2: The 4820 battery requires a maximum charging current of 2.4----3.3A, lower than 2.2A charging is slow, and the charging effect is poor
3: The actual power of the chargers on the market below 30 yuan is small, and the parameter design is not accurate, please pay attention to the distinction
4: The failure of the charger voltage regulator circuit will cause the output voltage to be 75---130V, and the rechargeable battery will be hot without turning the light.
5: When a new battery appears, the cruising range 20A battery is less than 30 kilometers. The 12A battery is less than 25 kilometers. Please check the parameters of the charger. If you can’t judge yes, please replace it with a high-quality charger to solve the problem
6: When the new battery does not turn on the light, please replace it with another high-quality charger to test the machine.
7: Under normal circumstances. The charging time of the 4820 new battery is about 10 hours, and the range is 40-60 kilometers. The 4812 new battery charging time is about 10 hours, and the mileage is 25-40 kilometers. If the normal charging time exceeds the above, please replace the high-quality charger Use again, feedback information