Dual Battery Setup Completed - Page 2 - TundraTalk.net - Toyota Tundra Discussion Forum
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post #16 of 19 (permalink) Old 02-20-2018, 02:39 PM
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Originally Posted by tacopower View Post
*...snip...*

UB121000 SLA batteries. 1ah each.

Btw if it makes you a little more jelly, I have this inverter:

Till this day, thereís not one tool or windo air condition unit that I canít run off of this. Itís a beast.
@tacopower ,

How many hours can you run a (small, i.e,. approx. 5,000 BTW) window A/C for? Just curious....

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post #17 of 19 (permalink) Old 02-20-2018, 02:45 PM
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Dual Battery Setup Completed

I ran it for 6hrs on low no problem (forgot to mention thatís with the wife cutting it on and off). You could run For 8 but never tried it. Iím usually freezing in the am. I would add another 5 batteries for the whole 8hrs but thatís me being cautious. Continues use you need 55amps. So that equates to 8-9 batteries.

Just FYI if anyone cares. The sla batteries Iím using - the charging wire is only for 100 amps. Itís main purpose is to charge the banks. The wires to the inverter and bank is as big as my thumb (2/0).

For the guys using their batteries as starting equipment, then I would definitely go big.


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Last edited by tacopower; 02-20-2018 at 03:02 PM.
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post #18 of 19 (permalink) Old 02-21-2018, 09:21 PM Thread Starter
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Originally Posted by RRzxter View Post
Anyone have pics or schematics on how they are wired into the charging system?
http://assets.bluesea.com/files/reso...am/ML-ACRs.jpg

So I am running 4/0 gauge from the battery to a PowerBar that powerbar then connects to the ML-ACR above. The other side of the ML-ACR connects to the factory battery.

From that Powerbar, my front winch is going to connect there and then off the last post I have an underhood distribution panel Safety150

All I need to add is a 400amp or so circuit breaker between the secondary battery and the powerbar. Incase folks are wondering why the overkill on the wire and circuit breaker- I plan on running a rear winch too, so just incase stuff gets fubar and I need to latch both batteries together, I don't any issues since the winches can draw up to 400 amps for a short while
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post #19 of 19 (permalink) Old 02-21-2018, 09:52 PM
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Yeah yours compared to mine: Iím a Neanderthal and yours is 20th century lol.

All I have are wiring from main battery to 100a isolator then to battery bank and thatís it.


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