· 【Basic Information】 Battery Type: Lithium ; Capacity ; 6000mAh;Voltage: 40V ;Wattage: 240Wh ; Replacement for Ryobi 40 Volt Battery Lithium· 【Wide Compatibility】Replacement for Ryobi 40V battery is compatible with Ryobi battery OP4050A OP4015 OP40201 OP40261 OP4030 OP40301 OP4040 OP40401 OP4050 OP40501 OP40601 OP40602 OP4060A.Also it is perfect compatible with Ryobi 40 volt battery tools and chargers.· 【Convenient Use】4 LED indicators for users to monitor power. Display remaining run time and reduce the risk of downtime work and promptly remind you that you need to charge.· 【6000mAh Capacity】Replacement for Ryobi 40v batteries have 6000mAh Capacity.quickly charged, long running time, power your tools.· 【Product Packaging】2Pack 6.0Ah OP4040 Battery Replacement for Dewalt 40Volt Battery；1 User Manual