The extremely powerful 5.0Ah 18V Lithium+ Battery allows you to drive in more screws, drill more holes and cut more using tools in the One+ range without recharging anywhere near as often. Its 4 Stage fuel gauge displays remaining power (100%, 75%, 50%, 25%) so you always know how much power you have left. IntelliCell™ technology further maximises runtimes & storage life with the pack design creating much better durability. A higher capacity makes it a better battery for longer projects & those requiring more power. (Refurbished) More power, longer runtimes and increased durability. Four stage fuel gauge 100, 75, 50 and 25 Percent. Tough pack design.