Ferraz Shawmut ACK 400 0-125VDC 400a Fuse
Here are Ferraz Shawmut 400a bolt on fuses. These are the best fuses for high current applications. These are the best DC fuses for batteries and are also approved for forklift applications. They will work with any voltage from 0-125v. Salvaged from forklift battery packs and fully tested. Selling for a fraction of the price of new and you won't find a better deal on a fuse like this.
Get em while they last!