Amazon.com: Synergy Digital Replacement Battery, Works with Worx WA3509 Replacement, (Li-Ion, 12V, 1500 mAh) Ultra High Capacity Battery : Health & Household
Amazon.com: Mighty Max Battery 12V 12AH Battery for Worx 3-in-1 Lawn Mower - 6 Pack : Electronics
Mighty Max Battery 12V 18AH SLA Internal Thread Battery for Worx ECO WG780 19" Mower: Amazon.com: Industrial & Scientific