Charging Apparatus and Portable Power Supply

摘要

A portable battery box is described. The portable battery box is suitable for charging and housing a battery and comprises: a charging apparatus for charging a battery; a 5 hollow lid shell and a hollow base shell for housing a rechargeable battery, the base hollow shell including a base wall, a top wall and at least one side wall extending between the base and top wallsl; and at least one handle disposed in a respective one of the side walls of the hollow base shell. Also described is a method for monitoring the charging of a battery in use disposed within a battery box, the method including the 10 steps of: measuring first charging and/or discharging parameters at selected time intervals; estimating selected other charging parameters at selected time intervals; and displaying the first and other charging or discharging parameters on a display screen associated with the battery box, the charging or discharging parameters being selected from the group consisting of: battery voltage; charging cycle; time to charge completion; 15 time to discharge completion; condition of the battery; battery charging current; battery discharging current. Figure 1