START GUARD 12 VOLT 20 AMP

Used To Provides Voltage Protection During Engine Start; For Use With 12 Volt Batteries; 13.8 To 14.8 Volt DC Input/ 20 Ampere Maximum Output; Back-Up Power Of 20 Ampere For 1 Minutes/ Back-Up Power Of 18 Ampere For 2 Minutes; 4.9 Inch Width x 8-1/4 Inch Depth x 3-1/2 Inch Height Overall Dimension; With 5 Ampere Hour 12 Volt DC Sealed Rechargeable Battery