PATONA Battery for Worx WA3551.1, WA3572, WG625E, WG169, 549, 259, 166, 372, 390, WX523, Rockwell RK180K2, RK2852, RK2856. High-performance battery with new high-quality branded cells, 100% compatible with the original batteries due to custom fit, including overload and short-circuit protection. Technical specifications: Voltage: 20 Volts, Capacity: 4000 mAh / 80 Wh, Type: Li-Ion. The battery is suitable for the following models: Worx WA3551.1, WA3572, WG169, WG169E, WG259, WG259E.9, WG549, WG549E.5, WG549E.9, WX166, WX166.4, WX166.31, WX372, WX372.1, WX390, WX390.1, WX390.31, WX393.3, WX523, WX523.9, WX678, WX678.9, WX292.9, WG151.5, WG251.5, WG540. For all Worx garden and power tools from the Powershare System, Hydroshot that use this battery model. Rockwell RK1806K2, RK1807K2, RK2852K2, RK2853K2, RK2855K2, RK2856, RK2859, RK2860K2, RK2863K2, RK2868K2. Important information: With this Li-Ion battery, you are acquiring a quality product. The battery is 100% identical to the original battery. All batteries are manufactured according to the highest European quality standards and are characterized by extreme durability. Additionally, our batteries have high cycle stability, which means a large number of possible charge-discharge cycles. The low self-discharge of the batteries ensures minimal energy loss when not in use. The compatible replacement batteries have all the electronic safety features of the original batteries and can naturally be charged with your original power supply. The images are sample images; the delivered item may vary. This is a product from the quality brand PATONA.