The M18™ HIGH OUTPUT™ NRG pack includes the M18 HB3.0 HIGH OUTPUT™ 3.0 Ah battery, an M12 B2 2.0 Ah battery, and the M12 18 FC multi-voltage fast charger. The M18 HB3.0 battery delivers high power and extended runtime for demanding applications, while the M12 B2 battery provides reliable performance for smaller tasks. The M12 18 FC charger efficiently recharges both M12™ and M18™ batteries, making this pack a versatile and convenient solution for users who need consistent power across multiple MILWAUKEE® cordless tools.