Dual battery setup for off grid solar


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Bryan1

Guru

Joined: 22/02/2006
Location: Australia
Posts: 2296
Posted: 11:54pm 20 Jun 2026      

Pete looking at this quote I got for a 24 volt 600AH new forklift battery $3533+gst is a good price for a battery that will last you a decade or more.

Now on my house array got 1.9Kw of 190 watt panels going into a victron 100/50 MTTP that tops out at the max 50 amps which is a good charging scheme and on a sunny morning the batteries are in float mode.

On my shed array I did find as that 4KVA genset only outputs 220 volts AC it limits the current on my forklift battery charger to around 30 amps. So I put 3 off 330 watt panels leaning on the east side of my shed and in full sun I'm getting that 30 amps which intern has kept my shed battery topped up.

It pay to go ask the electric forklift companies and keep hounding them for a battery that has come off lease as when the electric forklifts go on a new lease they have to have a new battery. You may just find one and get lucky mate  

Regards Bryan