Use the Greenworks 60V UltraPower 2.5 Ah Battery with over 75+ compatible Greenworks tools to power all types of projects. The compact design means less weight and reduced user fatigue while offering fade free, cord-like power. The impact resistant Greenworks 60V UltraPower 2.5 Ah Battery features an integrated LED indicator to monitor your battery charge at all times. It is backed by a 4-year warranty.