0 1.92 1.修正低温环境下电池充不满的情况\n2.增加长时间不拔掉USB充电器情况下，当电池充满后电池电压掉到8.1V以下时可以再次充 /mcu/P9II_MCU_V1.92.cyacd 132000 0 1.92 1.修正低温环境下电池充不满的情况\n2.增加长时间不拔掉USB充电器情况下，当电池充满后电池电压掉到8.1V以下时可以再次充 /mcu/P9II_MCU_V1.92.cyacd 132000 0 1.92 1. Correct the situation of unsatisfactory battery charging under low temperature environment\n2. In the case of not unplugging the USB charger for a long time, the battery voltage can be recharged when it drops below 8.1v after the battery is fully charged /mcu/P9II_MCU_V1.92.cyacd 132000 0 1.92 1. Correct the situation of unsatisfactory battery charging under low temperature environment\n2. In the case of not unplugging the USB charger for a long time, the battery voltage can be recharged when it drops below 8.1v after the battery is fully charged /mcu/P9II_MCU_V1.92.cyacd 132000 0 1.92 1.修正低温环境下电池充不满的情况\n2.增加长时间不拔掉USB充电器情况下，当电池充满后电池电压掉到8.1V以下时可以再次充 1. Correct the situation of unsatisfactory battery charging under low temperature environment\n2. In the case of not unplugging the USB charger for a long time, the battery voltage can be recharged when it drops below 8.1v after the battery is fully charged /mcu/P9II_MCU_V1.92.cyacd 132000