battery charging

Bought a visuo xs809hw and wanted after awhile to upgrade the battery. Are some instruction videos on how to do this and followed them. Bought a 18650 panasonic battery and a tp4056. Soldered them togheter but when i test it only works for about 1 min. When checking voltage its full (4.2v) just...

So I already have 2 lipo(balance) chargers. So before I had a snooze Christmas day I decided to add another one to get me out there quicker. It came today & quickly realised that there was no balance ports. There was only 2 pictures on ebay so assumed it was out of view same as the plug that...

I have a defender 2, toy and just purchased a Bugs3. I know very little about Quads and batteries in particular. I've read that the batteries should not be flown below 20% capacity. I've flown my Bugs3 three times, first on full charge in house (raining and windy the day I received). I ran it...