M18 Red Lithium 2.0 Compact Battery Pack, 18-Volt

M18, 18v, red lithium 2.0 compact battery pack, features superior pack construction, electronics & performance to deliver more work per charge & more work over pack life, offers 2.0 amp-hours of runtime, battery runs cooler & performs in climates below zero degree/-18 degree c, compact design fits in tight work spaces & reduces user fatigue, powers Milwaukee m18 cordless power tools.