5.0Ah Replacement for Worx 20V Battery WA3551/WA3553, for Worx Cordless Power Tools WA3551.1 WA3551 WA3572 WA3553 WA3760 WA3881 WX390 WX176 WX178 WU268 WX166.4 WX372.1 WX800 WG259E