Review on 🔋 Tenergy TN267 Li-Po/Li-Fe Balance Charger and Lipo Safe Charging Bag for Airsoft & RC Car Battery Packs by Jonathan Roloff

Seems to work fine, I've used it to charge 4s and 2s batteries (not both). Slightly slow charging given the 1C charger, but probably the safest for the battery. Came with a wall charger. If the drone's propeller destroyed the balance charger on the battery pack and I placed one of the wires in the wrong place when rewiring, the reverse polarity protection worked fine and blinked green/red until I broke the voltmeter to check further and break the re-wiring did succeeded. Gets a little warm when in use, but works well for the price.