Not A Speck Of
lvl.4
Flight distance : 666493 ft
United States
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There's an alternate way to power your flights: Bring a charger and charge a spent battery while using a freshly charged one. I have 5 batteries to cover the situation when I don't bring the charger with me, but when I do bring it, I can probably get by with 3 batteries.
Who this applies to: This scenario probably doesn't apply to the strictly recreational user; it would most definitely apply to the professional (someone using a UAV potentially all day depending on the job); and it could apply to those in between like me, doing creative projects that sometimes requires me to fly a lot.
I have this Goal Zero YETI 400 charger**. With the DJI supplied AC charger, It will charge a battery just as quickly as at home plugged into AC. Also, you can get several charges from it, though I have yet to exhaust my YETI in the field. This assumes that you a) have the YETI fully charged before you go, and of course b) all of your DJI batteries are also topped off before you go. If you have two DJI chargers, you can charge two batteries at one (or one battery and the RC).
** I also have the YETI 150, but the P3P charging system trips the breaker because it draws more than than battery cranks out. The 150 would work from the 12V cigarette plug (rather than one of the AC outlets) with an inverter to DC (purchased separately for about $30), but it would take longer.
Also not that anyone here can charge a battery from their own cars' 12V cigarette plug with an inverter to DC (purchased separately for about $30) without having to purchase an expensive charger. Having both is a big plus, especially for those of you on a road trip or working remotely.
PS: I don't work for Goal Zero nor am I affiliated with them in any way. They are not the only maker of these kinds of batteries / chargers, they're just the ones I have experience with. Like DJI, they are one of the more mature companies in their field, so are a good bet in my book. You can also buy solar panels to charge up your portable battery from the sun from any of the companies in this field, though that takes all day or more depending on the panels you have.
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