Amazon.com: ANTRobut 3500mAh WA3580 Battery for Worx 40V Battery Compatible with Worx 40 Volt WG180 WG280 WG380 WG580 (Not Fit for 2x20V Tools) : Tools & Home Improvement
WORX Power Share Batteries | Maximum Power & Performance
40V WA3580 2.0Ah Max Lithium Battery For Worx WG180 WG280 WG380 WG580 SHARE VOLT | eBay