The Worx 20V And 2X20V Cordless Tool Sets Are Compatible With The Antrobut 2 Product Features PACKAGE INCLUDING: 2 pack 6.5Ah replacement worx battery 20V, and 1 pack Worx 20V Battery Charger. This replacement worx 20v battery and charger kit fits for all Worx 20V and 40V(2x20V) cordless power tools. VERSATILE USE: Replace for Worx 20 volt battery WA3578 WA3575 WA3525 WA3520. Compatible with Worx 20 volt tools WG151, WG151.5, WG155, WG155.5, WG251, WG251.5, WG255, WG540, WG540.5, WG890, WG891. LONGER RUNTIME: 6.5Ah (130 watt-hour) high capacity provides stronger power and helps increase productivity. It can be charged freely without memory effect. Built-in smart microchip provides multiple protections for the battery from potential damage. POWER INDICATOR: This 20v worx battery is Designed with LED battery fuel indicator to let you know the remaining power at any time, which helps you better arrange your job. CONVENIENT CHARGER: The charger replaces for Worx 20v charger WA3732 WA3742 WA3847, etc. Lightweight and compact size for convenient use. Also includes a charging indicator to monitor the charging status. It supports quick charge of all Worx 20 volt lithium batteries. CONFIDENT PURCHASE: ANTRobut Products comply with FCC RoHS and CE security testing standards. Come with 30 days Money Back and 12 months Warranty. Feel free to reach out with any questions or advices via your Amazon order details. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!