Following the inclusion of AGM batteries, AL-KO VTE now adds VARTA PROFESSIONAL LI-ION lithium batteries to its catalog, available in models LL100, LL100LT, LL150, LL150LT, and LL200. Equipped with LiFePO₄ technology, an integrated BMS, Bluetooth monitoring, and IP67 protection rating, they offer reduced weight, faster charging times, and long operational life. The LT (Low Temperature) versions include a preheating system that allows charging even at low temperatures, down to -20°C.