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TacoFreak

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Dang, just traded my diesel truck that was unreliable due to battery/charging issues and figured a Tacoma would be a good choice 🥴
Yeah, this is a problem for some trucks. My truck keeps its 12 volt at a low state of charge, but it always starts, even after sitting for a while in cold weather. That is not true for everyone though, so keep your fingers crossed.

I hope Toyota eventually comes up with a solution, but mine is to carry a jump pack for insurance. Then I will switch to an Optima Yellow top when my 12 volt needs to be replaced.
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Independence Overland

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I have a Redarc charger installed for my lithium aux battery in the camper. This is not my parasitic draw, but the device does have a "backcharge" feature so I can run 20+ amps back to my starter battery for 15 minutes to jump start it. What I have noticed is all I have to do is turn that function on to give the truck a 12v signal, and then it starts right up. So the truck usually just needs to see a higher voltage to let the hybrid system start the truck.

The Redarc system charges the starter battery with my solar panels once the auxillary battery reaches 100%. Due to clouds and keeping it parked in a canyon it doesnt get much sun this time of the year. I need to get better at just starting it a few times a week.
 

TacoFreak

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What I have noticed is all I have to do is turn that function on to give the truck a 12v signal, and then it starts right up. So the truck usually just needs to see a higher voltage to let the hybrid system start the truck.
That is a good solution and does the same thing my jump pack does. All you need is enough power to start the truck's electronics because the hybrid battery has enough power to easily start the ICE.
 

trailhunger

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That is a good solution and does the same thing my jump pack does. All you need is enough power to start the truck's electronics because the hybrid battery has enough power to easily start the ICE.
Another wrinkle I noticed on my TH assuming this applies to all iForceMax is that running generator “ready” mode, the hybrid system will shut down the inverter around a 1/4 tank of fuel, and from there you’re drawing power off the accessory mode via the 12v battery. Was out at camp not far from Moab, night 3 engine didn’t cycle on when pulling inverter power & charging my power station… did some digging…top of your tank before heading out to camp
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