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  • StevenG82 commented on Jestin_Cubetech's instructable 100W LED3 years ago
    100W LED

    Hello, im building a 100 watt (maybe 200) flashlight with 1 (or 2) 100 watt led chips. My Question: would it be better to power it with one 12volt 7.2ah battery or two 12volt 5ah batteries in series equaling 24volts 5ah? Please any advice.

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