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Fuse Needed for 2x 48V 100Ah Server Rack Batteries In Parallel

Dank Farrik

New Member
Joined
Feb 1, 2022
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155
I was watching @Will Prowse 's video on a 48V build (thanks Will!):


Will said to get a class T fuse if you have more than two of these server rack batteries in parallel. The implication seems to be that if you only have 1 or 2 of these batteries, a fuse is not needed. Is that right?

If one is to get one, what size fuse to get for a 3kw inverter with 4 awg wiring? The 3kw Growatt says max 71A and the 3kw MPP says max of 83A. So something like ta 125A fuse?
 
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