All Ryobi 40-Volt Power Tools (Op4050A, Op4015, Op4026, Op40201, Op40261 Op4030, Product Details [Battery Features] Battery Type: Lithium-ion | Battery Voltage: 40V | Battery Capacity: 6000mAh | Quantity: 1 * High Capacity Replacement for Ryobi 40V 6.0Ah Lithium-ion Battery. [Replacement for Ryobi 40V Battery 6ah] 6.0Ah higher capacity, can be charged or discharged as needed without loss of capacity. Offers long-lasting performance and durability. [Multiple Protection] Replacement for Ryobi battery 40v Built-in Protection against overcharging, over discharge, over current, provides short circuit protection and steady voltage circuit to ensures both safety and stability. [Replaces for Ryobi 40v battery] 6.0Ah high capacity, compatible with Ryobi 40V lithium batteries part number OP4050A, OP4015, OP4026, OP40201, OP40261, OP4030, OP40301, OP4040, OP40401, OP4050, OP40501, OP40601. [Trustworthy After-Sales] Please feel free to contact us if you have any concern about this item, we will provide 24-hour hospitality service. 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.