The grown-up version of the 8-minute 240 Wh CyberPack, this large capacity battery is the perfect energy source for commercial applications where extended runtime is indispensable. Echoing its smaller sibling, the battery delivers unrivaled power, extreme longevity, and an unprecedented 8-minute charge time.¹ Ideal for use on the mower or as a backpack battery in combination with its ultra-comfortable, ergonomic harness.¹ when charged with the CyberTank battery charger in boost mode.