fredrussell
Well-known member
I’m just musing here so don’t all shoot me down too violently! It’s an area I know very little about, obviously.
My van needs a new leisure battery. It currently has two lead acid batteries - starter and 100 a/h house. They are linked by a 40 amp VSR. There is a 40 amp fuse at output of VSR (between VSR and house battery). Van has a 90 amp alternator.
If I was to replace house battery with 50 a/h LiFePo battery, would the VSR limit the amps being ‘taken’ by an empty house battery be limited to 40?
…and would the LiFePo BMS stop any harmful ampage draw on the alternator? (let’s assume for arguments sake it’s a decent BMS).
What’s confusing me is that if a B2B is there to stop the LiFePo drawing to much amps from the alternator, would a 40amp VSR (with 40 amp fuse) achieve the same thing?
My van needs a new leisure battery. It currently has two lead acid batteries - starter and 100 a/h house. They are linked by a 40 amp VSR. There is a 40 amp fuse at output of VSR (between VSR and house battery). Van has a 90 amp alternator.
If I was to replace house battery with 50 a/h LiFePo battery, would the VSR limit the amps being ‘taken’ by an empty house battery be limited to 40?
…and would the LiFePo BMS stop any harmful ampage draw on the alternator? (let’s assume for arguments sake it’s a decent BMS).
What’s confusing me is that if a B2B is there to stop the LiFePo drawing to much amps from the alternator, would a 40amp VSR (with 40 amp fuse) achieve the same thing?