250 Amp Alternator Install

[MikeBMW]

I bought a new Mechman 250 Amp alternator.
I'm thinking I should upgrade the alternator wires.
1. Is this necessary given I have a stock 150 Amp alternator?
2. If so, what length and what size cable should I buy?
3. I want to upgrade because with all the stuff I've installed, my current (I guess that's a pun?) alternator tests good and the battery tests good (Autel MaxiBAS BT 506) but my SOC (state of charge) sits at 10 to 50 percent (until I manually toss on a charger).
While the charging system seems good, the alternator just doesn't seem to keep up on a day to day basis.
4. I searched the forum but didn't find anything.
5. Any thoughts?

Edited February 17, 2023 by MikeBMW

[MikeBMW]

On 2/16/2023 at 8:52 PM, MikeBMW said:

I bought a new Mechman 250 Amp alternator.
I'm thinking I should upgrade the alternator wires.
1. Is this necessary given I have a stock 150 Amp alternator?
Seems unnecessary, so far.
2. If so, what length and what size cable should I buy?
Never mind, see above.
3. I want to upgrade because with all the stuff I've installed, my current (I guess that's a pun?) alternator tests good and the battery tests good (Autel MaxiBAS BT 506) but my SOC (state of charge) sits at 10 to 50 percent (until I manually toss on a charger).
While the charging system seems good, the alternator just doesn't seem to keep up on a day to day basis.
After the install, my SOC is up to 80-100 percent
4. I searched the forum but didn't find anything.
No responses here, either so I hope this helps others!
5. Any thoughts?
Nah, just see above.