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A few questions about led lantern

Discussion in 'LEDs and Optoelectronics' started by Tommiex, Oct 20, 2013.

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  1. Tommiex

    Tommiex

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    Oct 20, 2013
    I want to build white lantern led with rechargeable battery (high power for a long time between 1 day - 2 days)
    how much V and mAh I need with the battery?
    And which led can be the good for it?
     
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