I use a large 16000mAh 4S battery along with a little ISDT portable charger for field charging my 1300mAh lipos. Since I wasn't going to be able to fly in the next few days, I thought that I would discharge it down to storage voltage.
After 2 days it was still over 70%, so I decided to strap it onto the quad to see what would happen.
And yes, I know I need to redo my deck.
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FPV drone gear I currently use:
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Armattan Rooster frame https://bit.ly/2l3MmwJ
Spedix 30A ESCs https://bit.ly/2sSt7dQ
Rotor Riot Hypetrain 2306 2450kv motors https://bit.ly/2t4exz5
Racekraft 5046 props https://bit.ly/2sRdnI4
TBS Unify Pro HV vTx https://bit.ly/2l2qvFY
Betaflight F4 Flight controller https://bit.ly/2JBqvvh
Taranis with M9 gimbals https://bit.ly/2LIXJWc
Pagoda antenna https://bit.ly/2JzTsYw
Fatshark HD V2 https://bit.ly/2JzTwHK
Laforge Diversity setup https://bit.ly/2l3MKvb
Mad mushroom / X-air 5.8 dual crosshair directional https://bit.ly/2t4f5oD https://bit.ly/2y5gqBA
Adrenaline 4s 100c 1300mAh batteries https://bit.ly/2l5D5Ej
Filmed with a Gopro Session 5
Thinktank FPV Session drone backpack and Taranis case https://bit.ly/2sSBxSJ