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给两节电池充电，充电时led会自动闪烁来显示电量，放电时通过按键来显示电量。问bq40z50 是否满足？
放电时通过按键来显示电量是什么意思？
完全没有问题。BQ40Z50很强大。
现在想采用bq24170+bq40z50，输入12V，给两节电池充电，该方案是否合理可行?bq24170有没有去掉的可能性？
