LI-ION Battery 20V-4Ah for AKU program VERDEMAX 20V suitable for use with the VERDEMAX 20V AKU program machine series (except model PE20). This is a VERDEMAX brand battery with a voltage of 20V and a battery capacity of 4Ah. The manufacturer has focused on the quality and longevity of the battery. The VERDEMAX battery is a reliable, innovative, electronically controlled Li-ion accumulator with branded battery cells. Thanks to the battery status indication, you always have an overview of its charge level. The VERDEMAX battery has protection against overload and overheating. You can gradually purchase individual garden equipment machines over the course of several years, as the battery's lifespan is long-term.