Diatone ROMA F5 20min+ Flight time 18650 6s Demo

Diatone Roma F5 (5 inch quad) 20+ min flight time endurance test using Panasonic 3400mah 18650(6s)
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[@willys_fpv9663]

You took the battery to less than 3v a cell though!

[@mr.animegod_yt]

Pretty sure you can take li-ion batteries to 2.8v no problem, even 2.5v some say