To recharge the battery with a charger. Connect the positive charging lead (red) to positive terminal of battery and negative charger (black) at other Stock Photo - Alamy
LITTLE T TYPE Battery charger lead,charger wire for EU1000i EU2000i INVERTOR GENERATOR DC charging cable line 12v|Generator Parts & Accessories| - AliExpress
24V battery-charger lead acid, max. 20A, MEANWELL PB-600-24 on ELKOBA shop