Epowon OP4060 40V 6.0 Ah Lithium-Ion Battery Replacement for Ryobi OP4026A OP4030 OP4040 OP4050 OP4060A 40V Li-ion Cordless Power Tools with Fuel Gauge Description Features: Battery Type: Lithium-ion; Capacity: 6000mAh; Voltage: 40V, compatible with RYOBI 40V Lithium tools (string trimmer, lawn mower) RY40200 RY40403 RY40204, and chargers OP401 ZROP401. Replace for 40V batteries OP4050A OP4015 OP4026 OP40201 OP40261 OP4030 OP40301 OP4040 OP40401 OP4050 OP40501 OP40601 High Quality Battery cells,Integrated microchip prevents overcharging & lengthens battery life,MultiProtect safety system ensures complete protection for you and your devices. On-board Battery Life Indicator: 4 LED lights on the battery that indicate the remaining power for user convenience and over-molded edges for impact protection. 60Days money back and one-year warranty!100% QC, Comply with FCC RoHS and CE security testing standards. Product Details: Number of Batteries: 1 Lithium Ion batteries required. (included) Brand: Epowon Battery Cell Composition: Lithium Ion Recommended Uses For Product: Lawn Mower,Power Tool,Power Tools,String Trimmer Unit Count: 1 Count Package Dimensions: 7.32 x 4.8 x 3.98 inches Item Weight: 2.97 pounds Item model number: OP4040 Batteries: 1 Lithium Ion batteries required. (included) Is Discontinued By Manufacturer: No Date First Available: December 28, 2018 Manufacturer: Yingnarui Country of Origin: China