Worx: WA3511, WA3512, WA3512.1, WA3523

Compatible Charger: WA3732, WA3742, WA3835, WA3838, WA3847, WA3868, WA3875, or any other WORX 18V/20V Slide-in Style Lithium-ion charger

Compatible Models: RW9161, WG151, WG151.5, WG151E, WG151E.5, WG155, WG155.5 WG251, WG251.5, WG251E, WG255 WG540, WG540.5, WG540E, WG540E.1, WG540E.5 WG890, WG891, WG891E WU287, WU289, WU381 WX163, WX163.1, WX163.2, WX163.3, WX163.M WX164, WX164.3 WX368, WX368.1 WX502, WX502.1

Battery Maintenance: 1?Please don’t store the batteries for a long time, it need to be used at least once a month. 2?If it’s necessary, please using a cotton swab with alcohol to clean the battery contacts. 3?After long-time using in your power tools, please fully rest the batteries. 4?Before recharging the batteries, please make sure that the batteries have already coolled down. 5?For safe transportation, the batteries have not been full charged, after three cycles (full charge and full discharge for three times), the batteries can reach the best condition. 6?When your power tools are stucking and unable to run, please don’t force it to run. Otherwise excessive current will burn down the batteries. The right way is that pulling the tools back and running the tools again smoothly.

Please note that processing takes 2-3 working days and delivery may take 1-5 working days