Replacement Op4060 6.0Ah 40V Upgrade Lithium Battery For All Ryobi, Op40611). [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.