Grunt EVO - 72V Battery Upgrade Kit Color Kits Your purchase includes both a

Your purchase includes both a battery AND charger

Compatible with all versions of the Grunt

Flats happen

FE and EVO

Grunt EVO - 72V Battery Upgrade Kit Color Kits Your purchase includes both aIncrease range by up to 30%. Increase power ouput by up to 25%. No programming, no rewiring, no new powertrain parts. Same connector and same footprint the battery is just taller (about 3 inches). The Grunt motor and controller are compatible as is. The battery works with the Grunt EVO, standard and Hunter's Edition. Your purchase includes both a battery AND charger. Battery Specs: 72V nominal (84V max) 40Ah 2. 9kWh nominal (3. 4kWh max) IP67 rated 6.