Bussbann Fusetron ACK 175 0-72VDC 175a Fuse
Here are Bussmann Fusetron 175a 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 0-72v. 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!
You should always have an inline fuse on your battery pack and you can look these up online, usually they are really expensive.