M12 Red Lithium 2.0 Compact Battery Pack, 12-Volt

M12, 12v, 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 2.0a hours of runtime, battery runs cooler & performs in climates below zero degrees, compact design fits in tight work spaces & reduces user fatigue, powers most Milwaukee m12 cordless power tools.