capacitor

Good day! My Syma X5HW recently started behaving strangely. I put a fully-charged battery in it, start flying and get flashing "low battery" lights in 10-20 sec of flying. After 1 more minute it decends or falls down as usual when battery is fully drained. I thought that old batteries were the...

Hello everyone, some time ago I purchased a floureon racer 250 from gearbest. When it arrived, the charger included that was used to charge the batteries stopped working. I therefore purchased a new charger and 2 new batteries since they also seemed not to be working. Now both of the batteries I...