Fuse recommendation

Hi,

I need a recommendation of what fuse I could use to connect 4 acid batteries (12V each one) total 48V to the ODrive controller. Currently, I’m using Car blade Fuses of 40 Amps but it seems that I’m drawing more than 40 Amps from the batteries.

I found this one:

Best,

Looks fine. evwest.com has some good quality fuses too, but golf cart or fork lift fuses should work fine.