1、 First, determine the battery voltage of your electric vehicle.

If the battery voltage of your electric vehicle is 48V, the output voltage of the corresponding charger is generally about 59V; if it is a 60V battery, the output voltage of the corresponding charger is generally 73.5v. When choosing charger, the input voltage must be 220 V, but the output voltage of charger must be matched according to your battery, which must be grasped accurately.

2、 The output current of charger is determined according to the battery capacity ah of electric vehicle battery.

If the battery is 12Ah, the output current of charger is 1.8A. If it is a 20Ah battery, generally choose the charger output current of 26 to 30ah, if it is 30ah, 35ah, 60ah, 100Ah... Battery, the selected charger output current should be slightly greater than your battery capacity.

3、 Determine the shape of the charger interface suitable for your electric vehicle.

There are four kinds of common interfaces in the market: T-shaped, three vertical, middle horizontal and round, which must match your electric vehicle.

4、 Be sure to use smart charger.

When charging, the non intelligent charger is usually charged with high current. If the battery is charged for more than 10 hours, the battery will start to heat up. If it is more than 20 hours, the battery may be bulging and scrapped. The smart charger starts with a high current charge. When it is full, it automatically changes to trickle charging, which means trickle charging. It's like cooking porridge with fire. In order to make the water as soon as possible, we first use a big fire to make water boil slowly after boiling water. Intelligent charger can effectively ensure that the battery is in a safe state after full charge.