In Place Of The Worx Wa3520 Wa3525 Wa3578 Wa3575 Wa3512 Wa3512.1 Wa3522 Wa3544, Product Features ??Fully Compatible?:100% Compatible with WORX 18V 20V lithium-ion battery charger WA3742 WA3732 WA3875 WA3881 WA3847 WA3868 WA3835 WA3764.For Worx Power Share 18V 20V lithium-ion Battery WA3520 WA3525... ??Advantages?:1.Intelligent Protection System, 2.Overheat protection: stop charging when overheat. 3.Short-circuit protection.4.Avoids over-charging, extending battery life ??Easy to Carry?: Compact design (2.5-6.0" Long, only 0.46 lbs.) is ideal for Jobsite portability and storage. ??Safe Reliable?: The battery charger is CE, FCC, ROHS certified, tested, and validated by manufacturer to match or exceed specifications of OEM products, Excellent charging function, short circuit protection. ??Support Service?: All LALAFO products come with a 30-day money-back and 1-year Warranty! Contact us: Any question click the "Ask a question" on our storefront or in "YOUR ORDER" options click the "contact seller. 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!