Unverified83% confidenceCautionTime unknown

不建议买无过压/过流/短路保护标识的杂牌车充，车载12V电瓶电压波动大（启动瞬间可达14V+），无保护电路易损坏设备甚至引发过热

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Unverified纯电动车不建议使用普通12V降压线接小电瓶做长时间停车监控，电动车小电瓶容量小且不像燃油车会自动补电，容易亏电导致整车无法启动83% similar Unverified不建议为电动车（EV）低压系统购买超大功率车充，EV的12V附件电路同样受限，且部分车型熄火后点烟器断电，需选带电瓶保护/低电压自停功能的产品83% similar

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