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Published on Nov 26, 2011
18650 lithium ion batteries - How to get high power, high quality 18650 cells from laptop packs. A short demo showing how to get good quality, high power 18650 cells to power your high power flash lights and other devices. Batteries for Ultrafire 501b, 502b etc, CREE XM-L, XP-L and XHP and other high powered CREE LED torches.
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