3 - 5 H BATTERY CHARGER FOR 20 V WORX LITHIUM BATTERY - all tools in the 20V Worx line are equipped with a 20V DC 2.0 Ah Li-Ion or 4.0 Ah Li-Ion battery that guarantees a charging time of about 3 - 5 hours depending on the tool. In addition, Worx batteries do not have a memory effect: they can be recharged even if they are only partially discharged, without causing damage CODE: WA3760 CZ