| 摘要 |
<p>An improved emergency auxiliary power supply comprises a rechargeable secondary battery, a super capacitor or any other type of storage with the capacity equal to or smaller than the load voltage to function as an emergency charging source; a conduction train, an optional charging control circuit and another optional first storage unit comprised of a diode on the output side to prevent inverse voltage and connected to a second storage in the load coupled to the output are provided to comprise a lighter, easy to carry, and for emergency use DC power supply system allowing flexible combination with at least two stages for serial stage power supply.</p> |
