Koowheel ESR 550 charger which has a built-in stop function which stop giving power when the battery is charged. The charger is UL certified and this means that the charger is safe to use. The charger is also equipped with a light indicator to see when the battery is charged, red=charging and blue=fully charged.
Warning! It is important to use only an original Koowheel charger. Other chargers can cause serious damage to the battery.
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