Workbench experiment! - 36v LED light element running on four 9v batteries

Описание: January 7, 2018 - My shoplight stopped working, but I tore out the DC LED element and kept it. It looks like it is a 36v unit. So, today I rigged up four 9v batteries in series (to get 36v) and tested to see if it would power this LED light. Sure does! Question is how long will it last on four Amazon alkaline 9v batteries.

Uni-T True RMS AC/DC Current Mini Clamp Meter & Capacitance Tester (Amazon link): https://www.amazon.com/Uni-T-B4Q094-U...

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