【Work as OEM】Compatible with Ryobi 40 Volt OP4050A OP40601 OP40602 OP4050 OP40501 OP4050A OP40401 OP4030 OP4026 OP40261 OP4015 Cordless Tools; Compatible with Ryobi 40v Charger OP401 OP403 OP403A ZROP401, etc. 【Update Premium Battery】Type: Li-ion | Voltage: 40V | Capacity: 6000mAh, Replacement for Ryobi 40v lithium battery. 40-Volt Lithium Large Capacity 6.0Ah Battery, Provides longer runtime than other batteries. 2X longer than the standard 3.0Ah. Use international high-quality battery cell, longer lasting power for your tools. 【Compatible with Ryobi 40V Tools】Compatible with Ryobi 40V lithium tools, lawn mower, string trimmer, blower weed eater and saws , etc. No memory effect. Bring new life for your 40v tools. 【On-board Battery Indicator】4-LED power indicators, Indicate the remaining power for user convenience and over-molded edges for impact protection. 【Safety & Reliable】High Quality Update Battery Cells, Integrated microchip prevents overcharging & lengthens battery life. Comply with FCC RoHS and CE security testing standards, built-in over-charge, over-discharge, over-voltage, over-current, and over-heating protections 【After-Sale Service】All of our products are tested by manufacturer to match OEM products specifications. 1 Year Warranty. Prompt and friendly customer service will be provied for you. Any question please contact us any time. Work as OEM, Compatible with Ryobi 40 Volt OP4050A OP40601 OP40602 OP4050 OP40501 OP4050A OP40401 OP4030 OP4026 OP40261 OP4015 Cordless Tools; Compatible with Ryobi 40v Charger OP401 OP403 OP403A ZROP401, etc. Update Premium Battery. Type: Li-ion | Voltage: 40V | Capacity: 6000mAh, Replacement for Ryobi 40v lithium battery. 40-Volt Lithium Large Capacity 6.0Ah Battery, Provides longer runtime than other batteries. 2X longer than the standard 3.0Ah. Use international high-quality battery cell, longer lasting power for your tools. Compatible with Ryobi all 40V Tools. Compatible with Ryobi 40V lithium tools, lawn mower, string trimmer, blower weed eater and saws , etc. No memory effect. Bring new life for your 40v tools.