Powerflight Charger Waydoo Flyer EVO

Stop here first: if the battery is swollen, hot, wet, leaking or physically damaged, do not charge it and do not test it. Go straight to a warranty claim.

Otherwise there are three safe checks worth doing:

1. Fit the battery to the board, power on, and confirm the board runs when you pull the remote trigger. That tells us whether the pack is holding charge at all.
2. Check that the two screws on both the charger plug and the battery terminals are not loose.
3. Wipe the infrared sensors on the battery and the charger with alcohol. They communicate optically, and a smear is enough to interrupt it.

If it still will not charge, file a claim and attach a 30-second video showing the charger indicator, the battery screen and the button on the DC cable in the same frame. That one video usually tells our team what is wrong.