一般的充电回路采用的充电方式有两种：恒压充电和恒流充电。
Two charge ways are commonly taken in charge circuit, charge with constant voltage and charge with constant current.
采取先恒流后恒压的充电方式。
After the first constant current constant voltage charging ways.
先恒流后恒压方式充电，禁止颠倒的方式充电。如果电池正负极颠倒充电会带来危险。
Uses the constant electric current and the constant voltage way charge, the prohibition reverse charges. If the battery positive electrode and the cathode meet instead, can damage the battery.
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