I'm on the way to build my first bike light. It will by a 3 x XM-L in a small Hammond-style housing, with 4 x 18650 batteries in the housing, driven by a H6Flex.
I'm intending to take the batteries out and charge them individually. Are there any risks in doing this in a 4S1P setup? What high quality protected batteries can you recommend? I only found the AW battteries, which really are panassonic ones with the added protection. But they have flat heads on both sides, I would prefer the little head, so I can make sure, I can't put them in the housing the wrong way round.
Thank you for your help.
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Thread: What Batteries for 4S1P
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