WELZH 12-Volt Automotive Power Surge Protector 4180-WW

This is a must-have piece of kit for anyone working on a vehicle when plasma cutting or welding.
You will save huge amounts of time as it allows the battery to be kept installed in the vehicle.
Prevents damage to sensitive electronics from voltage spikes.
Recommended to be used before any work on the vehicle.
Battery clips are heavy duty and fully insulated.
Housed in a hard wearing and durable case.
Complete with indicators to show for faults.