NOEIFEVO 21V 2A 3A 4A 5A Lithium-Ladegerät für 5S 18.5V Li-Ion Lipo-Batterien, mit LCD-Anzeige, Kühlventilator, automatischer Abschaltung（RED） 21V(18.5V 5S) Set the voltage switch to

Set the voltage switch to match the charging voltage specifications of your battery (you can use a multimeter to check the voltage as the display may have slight errors)

Please confirm with your battery supplier whether the battery has an integrated charging protocol before making a purchase

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NOEIFEVO 21V 2A 3A 4A 5A Lithium-Ladegerät für 5S 18.5V Li-Ion Lipo-Batterien, mit LCD-Anzeige, Kühlventilator, automatischer Abschaltung（RED） 21V(18.5V 5S) Set the voltage switch toDue 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 if 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 can