| 摘要 |
A portable power supply unit including a housing having at least one deep cycle battery, at least one power inverter, at least one electrical safety switch to automatically shut off electricity when current is detected leaking from faulty switches, wiring or appliances, at least one power input connection, and at least one output connection to allow an external power cable to be connected to the housing as required to draw power from the unit as required. 12a Figure 3 |
