Li-Ion cells such as 18650 or 21700 have higher energy density than LiPo (more capacity mAh for the same weight), they make great battery for long range flying. I will recommend what to buy, and…
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18650
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In this post I will test various 18650 Li-Ion batteries and decide which one is the best 18650 battery for low current application. For example, powering equipment in drone racing and FPV, such as your…