Ego Power+ 12.0Ah 56V Lithium-Ion Battery BA6720T

You can now see how much battery power you have left in 20% increments. The ARC Lithium battery technology is the industrys most advanced; equipped with patented Keep Cool Cell Technology; which keeps the cells cool and prolongs the life of the battery. The EGO POWER+ 56-Volt 12.0Ah battery uses industry-leading ARC Lithium technology to deliver Power Beyond Belief and is compatible with all EGO outdoor power equipment. Charger sold separately.