Forum Discussion
J_Duncan
Oct 08, 2020Explorer
Bert the Welder wrote:Kayteg1 wrote:J.Duncan wrote:
B2B charger could you elaborate?
Battery 2 Battery charger.
Lithium batteries operate with higher voltage than truck alternator provides, so you need B2B charger and also solar charger + converter who can adjust the voltage.
Some RV owners have power obsession and Sprinters owner are generally willing to spend more money on gadgets, than TC owners.
Cover your roof with solar panels, add lithium battery bank, replace chargers with computerized system and you can easy spend 5 grands on the project.
Some owners make 2nd alternator just for lithium charging.
This use of the second alt. as a charger is interesting, especially being in the market for a new truck. So for those of us in the cheap seats and if you don't mind expanding on it:
Does the second alt get disconnected completely from the trucks systems?
Does a big ga. wire from it replace the existing charge wire from the primary alt. running back to the truck bed plug that the camper plugs into, like the standard 7-pin or is it run to a separate connector and is in addition to the stock 7-pin charging wire?
Does the second alt still need some connection to the truck "brain" so charging is disconnected when the truck is turned off, so doesn't drain the truck batt. or is it not hooked up to the trucks "brain" at all and a stand alone automatic or manual on/off switch installed in-line?
Thanks for the info. :)
This Video goes very in depth on the second alternator experiences and explains his lessons learned well.
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