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Lithium Battery Tinkerers light
by gnom69
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I recycled some old 18650 Lithium cells from a broken notebook battery-pack and made small desk lamps for tinkering/soldering/sewing etc.
AS LED any will do but I recommend ones at around 1W to 3W max. the one I used has V_Forward of 3.1V and I_Forward of 350mA.
Which got me to a 3.5 Ohms resistor, at least 1/3 W better 1W resistor.
https://youtu.be/uZBJlcf3WFM
[LEDs](https://www.aliexpress.com/item/Free-shipping-50PCS-1W-3w-High-power-LED-Lamps-white-warm-white-30mil-45mil-Chi
AS LED any will do but I recommend ones at around 1W to 3W max. the one I used has V_Forward of 3.1V and I_Forward of 350mA.
Which got me to a 3.5 Ohms resistor, at least 1/3 W better 1W resistor.
https://youtu.be/uZBJlcf3WFM
[LEDs](https://www.aliexpress.com/item/Free-shipping-50PCS-1W-3w-High-power-LED-Lamps-white-warm-white-30mil-45mil-Chi
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