Specifications: Voltage: 20V Capacity: 6000mAh Battery Type: Lithium-Ion Replacement Part: Worx WA3551.1 Compatible Models: Worx WG169, WG169E, WG259, WG259E.9, WG549, WG549E.5, WG549E.9, WX166, WX166.31, WX372, WX390, WX390.1, WX390.31, WX523, WX523.9, WX678, WX678.9 Announcements: Please don't store the batteries for a long time, it need to be used at least once a month. If it's necessary, please using a cotton swab with alcohol to clean the battery and the charger metal contacts. After long-time using in your power tools, please fully rest the batteries. Before recharging the batteries, please make sure that the batteries have already cooled down.
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