SB-5/2 Auto Meter 800 Amp 6-12 Volt Variable Load Carbon Pile Battery & System Tester - Heavy-Duty repair shops and battery warehouses rely on unparalleled quality and durability of the SB-5/2. An industry standard for over 50 years in the battery industry, this time-proven unit is built to handle even the toughest battery testing environment.

An 800 Amp variable load dual carbon pile and a battery temperature compensation scale offer maximum accuracy during battery testing. Automatic safety un-loader knob. Fan cooling offers built-in protection against overheating. Includes 15 second timer and fan override switch for cool down after testing.