crash1
lvl.1
United States
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It took me a while to appreciate the "50 % rule" - but based on my experience, here i what I've learned:
These are smart batteries, but all rechargeable batteries are just the same. After a while they start to lose the power that has been charged into them.
For lots of equipment that use batteries - this isn't a big deal (laptops/toys). For something that can fly & has the technology that a drone has - this can be a big problem.
I've charged to 100 %, and then not flown until a week or two later. I would usually start somewhere in the 90 % range, and at that point all kinds of bad things happened.
The device wouldn't act right - respond right... The worst was with my oldest battery using that technique --- it went from 80 % down to 4 % in about 3 seconds - after flying for 10 minutes!!!
Fortunately I was 5 feet off the deck & landed quickly. A few minutes earlier I was wayyy high up, and so close to a $4,000 disaster!
Now if you leave them between 50 & 65 %, you are putting yourself in a good place to recharge them quickly to get maximum use. And (as has been posted numerous times) you aren't taking them all the way down to near nothing - only to let them fade away to completely dead... Which is often impossible to "wake them up" from...
I don't fly all the time, but I've always found that 50 % will last for many weeks. And if I know it's going to be longer, I'll just give them a few minutes on a charger to wake them up a little.
It's been working for me (and my original Inspire 1) for almost 2 years now.
Hope this helps
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