Compatible With Ryobi 40-Volt Collection Cordless Power Tools Ry405010 Product Details ? Perfect Replacement for Ryobi 40v lithium battery/Replacement for Ryobi 40 volt battery OP4040 OP4050A, rechargeable lithium battery type, 40v voltage, 6000 mAh capacity. Compatible with Ryobi 40v max lawn mowers, hedge trimmers, chainsaws, leaf/snow blowers, weed whackers and outdoor power tool battery packs. ? This part replacement for Ryobi 40v obsolete part #: Great Replacement for Ryobi 40-volt lithium battery OP4020A, OP4040A, OP4050A, OP4060A, OP4015, OP4026A, OP40201, OP40261, OP4030, OP40301, OP40401, OP40501 and OP4060. ? Widely Compatible with all Ryobi 40-volt cordless lithium-ion tools RY405010, RY40890VNM, RY40860, RY40200, RY40403, RY40204, RY40530, RY40460, RY40180, RY40250. It's also compatible with Ryobi 40-volt lithium battery chargers OP403A, OP401A, OP406A, P137A, OP404A, ZROP401A, OP400A, and RY40440. ? High capacity 40v 6.0Ah battery pack, 3X more runtime than the original 2.0 Ah compact battery, with the onboard LED system. Use international high-quality battery cells, the same as OEM batteries, and Comply with FCC RoHS and CE security testing standards. (? Warm Tips: Please cool it down enough before charging! ?) ? Sincere After-Sale Service: We offer a 90-day full refund and a 12-month limited warranty for this 40v 6.0Ah replacement battery OP4050A. Please contact us on your order page for help. 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.