The NEVER BEEN USED Ryobi One+ (PSK005) 18V 2.0Ah Battery & Charger Kit is a power tool accessory set that includes a lithium-ion battery with a capacity of 2.0Ah, providing long-lasting power for various tools. The kit features a charger for convenient recharging, making it suitable for use in the home, garden, or workshop. With a voltage of 18V, this black and green battery and charger set by Ryobi is a reliable and efficient option for powering your power tools.