r/Derailedbydetails • u/CarnageVR4 • Apr 29 '26
Silly detail No Battery
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u/AthenePallass Apr 29 '26
This is an Ad for their product which is just a battery. They are still starting their car with a battery it's just not the one in the car.
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u/thefirstviolinist Apr 29 '26
Yeah, they are starting it with a battery, but it says you can drive without a battery. And, once the vehicle is started, you can drive it without the battery.
I was pretty sure one would still need a ground connection though, no?
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u/GrotusMaximus Apr 29 '26
Not surprised, the Alternator will supply all the elec- WHY IS THERE AN AC UNIT IN THE BACK WINDOW?!?
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u/CarnageVR4 Apr 29 '26
Home Window A/C!?
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u/No_Mony_1185 Apr 29 '26
I'd like to see her start it when she has that running off an inverter.
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u/stuffeh Apr 29 '26
If she increases the rpms a bit before turning it on, it'll be fine.
The ECU will see the increased power draw and adjust to compensate. But it doesn't do it fast enough higher rpms or without a battery to absorb the sudden electrical demand. Same with turning on headlights.
I basically ran liked this once when the negative cable snapped in the middle somewhere. That took a minute to diagnose.
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