Long lasting power for your Ryobi 18V tools! This 4000mAh high-capacity lithium battery (1 pack) is perfectly compatible with Ryobi P102/P103/P105/P107/P108/P109/P122/P197 and other models, which provides significantly longer battery life than the original battery, making drills, lawn mowers, hair dryers, and other tools work longer. Equipped with LED power indicator, real-time grasp of the remaining power, outdoor work at any time to check the remaining power; and built-in multiple intelligent protection (over-charging/over-discharging/over-current/short-circuit/temperature protection and equalization management), safe and reliable, charging as you go, no memory effect. Perfectly adapted to the original charger, ready to use. Enjoy an efficient and worry-free working experience with a 12-month warranty and 24-hour customer service to protect you one+