Normal power supply with automatic charge for the back-up power.
供电正常用自动为后备电源充电。
The minimum charge is one minute for automatic connection and three minutes for manual connection.
其最低费用，自动接线为一分钟，手工接线为三分钟。
The minimum charge is one minute for automatic connection and three minutes for manual connection.
其最低费用，自动接线为一分钟，手工接线为三分钟。
应用推荐