| 摘要 |
A rechargeable portable light having a housing member with an opening for the emission of light, and two possible charging systems including an AC charger, and an auto or boat charger. An electronic circuit is located within the housing member and includes at least one electrochemical capacitor for power storage. The electrochemical capacitor is charged by a charging system. A charging system is presented that can charge two electrochemical capacitors in series, or more than two electrochemical capacitors in series. A power inverter circuit with a high efficiency (approximately 90% to 95% efficiency) is used to regulate voltage and current from one electrochemical capacitor or two or more electrochemical capacitors in series to a light emitting diode. This circuit includes at least one light emitting diode (LED) positioned near the opening in the housing member, and a switch interposed between the capacitor and the output circuit. The switch is closed when power is delivered from the electrochemical capacitor to the LED.
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