[RE-wrenches] 24v to 48v upgrade help

[frenergy]

Aaron,

             It would be helpful to know how many amps are required to 
power the 24 volt loads and should we assume the batteries are toast or 
nearly so?  The brand of inverter?

             As Jeff said there are 24V L-ion choices.

Bill

Feather River Solar Electric
Bill Battagin, Owner
4291 Nelson St.
Taylorsville, CA 95983
530.284.7849
CA Lic 874049

On 1/26/2022 4:16 PM, Aaron Mandelkorn wrote:
> Wrenches,
>
> I have a customer with a very old 24v off grid pv system.  He wants to 
> upgrade his array, inverter and battery bank.  There are no options 
> for inverter/chargers over 4000 watts in 24v dc.  The same goes for 
> lithium iron batteries.  Everything (of higher wattage and battery 
> capacity) seems to be in 48v only now.  If going to 48 volts how do I 
> acomodate the few but important 24v DC loads in the home.  Is a 48v to 
> 24v step down converter the best option? What do you think? Any help 
> would be appreciated.  Thank you.
>
> Aaron Mandelkorn
> President / Founder
> Renewable Energy Outfitters
> www.reosolar.com <http://www.reosolar.com>
> Off Grid Depot
> www.offgridnow.com <http://www.offgridnow.com>
> 970-596-3744
>
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