Greenworks Pro 80V 2Ah lithium-ion battery paired with the matching 80V rapid charger (model GWA0140075). Tested and holds a full charge, the battery was rarely used (couple times). Compatible with 75+ Greenworks Pro 80V tools including mowers, trimmers, blowers, and chainsaws. Battery features onboard LED fuel gauge. Charger has built-in cooling fan for rapid 30-minute charge time. Normal used condition, fully functional. Ships securely packed.