After a long flight I placed my battery in the charger. But we needed to leave the house and I NEVER leave a Lithium Polymer (or LiIon) charging when I am not there. I have never read of problems with DJI smart batteries… but still, it seems prudent. So I disconnected it without really noticing what state of charge it was in. When we returned, I re-inserted the battery in the charger, and the lights did not light (so was apparently fully charged). When I flew next, the starting battery charge was only 75%! After that flight, I charged it without interruption, and the P3A showed 100% when I started it up again. I learned: Don’t charge unless you can let it go all the way to the end uninterupted.
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