Used Cooper Bussmann / Sure Power battery equalizer, model 21100E00 Rev. E. Unit has been bench-tested and confirmed to be in good working condition. Designed to balance voltage between two 12 V batteries in a 24 V system and provide a stable 12 V output for vehicle accessories. Heavy-duty 100 A continuous output capacity. Rugged aluminum heat-sink housing for maximum durability and cooling. Ideal for heavy trucks, buses, off-road machinery, and industrial or military vehicles. Clean and ready to install. Sold exactly as shown in photos.
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