Ryobi P107 18V One+ Plus High Capacity Battery 18 Volt Lithium-Ion 2.5Ah

FUEL GAUGE: Know how much charge you have left in the battery with the LED lighting system on the front, activated with a button COMPACT: Power your tools with less weight than the bulky 4Ah batteries, allowing you to physically work for longer and bring your tools into tight spaces ONE+ COMPATIBLE: These batteries work with many tools in Ryobi’s One+ lineup. That’s more than 50 tools this is compatible with, from reciprocating saws to shop vacuums FADE-FREE POWER: These batteries will work as powerfully as they were when fully charged until they completely run out WORKS IN HARSH CONDITIONS: This battery can work in cold conditions as low as 14 degrees Fahrenheit (-10 degrees Celsius), letting you work around the clock and calendar