NOEIFEVO 42V 10A Lithium-Akkuladegerät für 37V 10S Akku, Abschaltautomatik, Aluminiumgehäuse, mit Lüfter (Silber) 7.4V(2S 8.4v) please check if your battery

please check if your battery type

then the battery connector

Model: 4000 W

With this inverter

please check with the battery supplier whether the battery has an integrated charging protocol

NOEIFEVO 42V 10A Lithium-Akkuladegerät für 37V 10S Akku, Abschaltautomatik, Aluminiumgehäuse, mit Lüfter (Silber) 7.4V(2S 8.4v) please check if your batteryDue 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 polarity is 1+ for positive and 2 for negative. If you require a different polarity, please let us know. Contact options: You can