Worx Battery 20V Wa3575 Wa3578 Wa3525 Wa3520; Fits Worx 20V And 2X20V Cordless Product Details 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. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.