NOEIFEVO 21V 2A 3A 4A 5A Lithium-Ladegerät für 5S 18.5V Li-Ion Lipo-Batterien, Kühlventilator, automatischer Abschaltung STECKER TYPE:XT90 If the battery is connected

If the battery is connected in reverse

2V 10A Charger

and operation keys without unnecessary functions or complicated interfaces

and the charger starts charging the battery

NOEIFEVO 21V 2A 3A 4A 5A Lithium-Ladegerät für 5S 18.5V Li-Ion Lipo-Batterien, Kühlventilator, automatischer Abschaltung STECKER TYPE:XT90 If the battery is connectedDue to some batteries with M25 charging connectors that have integrated charging protocols, our charger cannot support batteries with built in charging protocols. Please confirm with the battery supplier before purchase whether the battery has an integrated charging protocol. For M25 (2+1+5) and M25 (2+4), the standard polarization is 1+ for positive and 2 for negative. If you require a different polarization, please let us know. Contact options: You