Ryobi 40-Volt Cordless Power Tools Op4040 Op4026 Op4030 Op4050 Op4060A Ryobi 40V Package include, 1Pack x 6.0 Ah Ryobi 40v battery, and 1Pack x 40V Ryobi Battery charger. About battery: This battery is compatible with all Ryobi 40-Volt lithium-ion tools, such as string trimmers, lawnmowers, and chargers, RY40200 RY40403 RY40204 RY40530 RY40460 RY40180 RY40250, and OP403A OP401 ZROP401 OP400A RY40440. And Replace Ryobi 40V Lithium battery part#: OP4050A OP4015 OP4026 OP40201 OP40261 OP4030 OP40301 OP4040 OP40401 OP4050 OP40501 OP40601, etc. 3.About charger: 1. Perfect spare charger, compact shape for use almost anywhere. 2. Replace for Ryobi 40V battery charger OP403 OP404. 3. Designed with LED indicator to check battery charge status conveniently. Designed with USB Port, convenient to charge charging low-power electronic products, like smart phone, iPad, smartwatch, etc. Battery features: 1. Onboard Battery Indicator, 4 LED lights on the battery that indicate the remaining power to make your work more wisely. 2. 6.0Ah High capacity battery pack, 2X longer than the run time of the standard 3.0 Ah. 3. Comply with FCC RoHS and CE security testing standards. (Sweet Tips: Please let the battery cool down then charge it.) 45 days money back, 12 months warranty. Any questions about the ryobi 40v battery or the ryobi 40v charger, we support 24*7 hours of prompt customer service.