China portable EV charger,EV connector and cable.

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The difference between constant current charging and constant voltage current limiting charging

The difference between constant current charging and constant voltage current limiting charging 1. The principle of constant voltage and current limiting charging and the current calculation method Constant voltage and current limited charging is a way of charging by regulating the voltage and limiting the charging current. When the battery voltage is insufficient, the charger charges with constant current to achieve a fast charging effect; when the battery voltage reaches the set value, the charger automatically adjusts to constant voltage to keep the battery voltage from exceeding the set value. At this time, the charger will limit the charging current to avoid overcharging. Therefore, constant voltage and current-limiting chargers need a calculation formula to calculate the relationship between the charger input voltage and the required output current. Calculated as follows: Charging current I = rated output current of the charger * rated capacity of the battery / remaining cap...

type1 type2 GB/T EV charging plugs difference

EV Charging plug interface standards are roughly divided into 3 categories: one is the American standard, the other is the European standard and GB/T . According to the charging technology, they are divided into direct current charging (DC) standard and alternating current charging (AC) standard. DC plugs are high-current, high-power charging EV connectors . They are generally equipped in fast-charging stations for new energy vehicles. They have high voltage and fast charging speed. AC charging plugs are used for home or portable charging ,which charging speed is relatively slow. 1. AC charger There are three main types, type1, type2 and GB/T, which can also be called American standard, European standard and China national standard. Of course, Tesla has its own standard charging connectors , but due to pressure, Tesla also began to change its standards according to market conditions to make its cars more suitable for the market. ...

5 kinds Electric vehicle charging methods

Electric vehicle charging methods The charging methods for electric vehicles mainly include conventional AC charging, fast DC charging, wireless charging, mobile charging, and battery replacement charging. 1. Conventional AC charging method This charging method uses the traditional charging method of constant voltage and constant current to charge electric vehicles, that is, it uses the portable EV charger equipped with the vehicle for charging, and can use household power supply or dedicated charging station power supply. It’s what we use in passenger cars now,on-board chargers and home wall-mounted EV chargers. The charging current is as small as 16-32A, and the current can be direct current or two-phase alternating current or three-phase alternating current. Therefore, the charging time is 5 to 8 hours depending on the capacity of the battery pack. The shortcomings of the AC charging mode are very obvious. The charging time is long, but its charging requirements are not high, a...

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