• CV GULF

  Is it normal for a car battery to drain after sitting for four days?

  Posted by archernolan on October 8, 2026 at 6:39 am

  I came back from a short weekend trip out of town only to discover that my SUV was completely unresponsive the second I clicked the remote fob to unlock the doors. At first, I assumed maybe the key battery had died, but when I manually popped the driver door open and inserted the physical key into the ignition, not a single light on the instrument cluster flickered to life. There was no chime, no interior dome light, just dead silence under the hood without even that typical rapid clicking noise you usually hear when an alternator or starter is trying to pull residual current. It took me completely by surprise because the vehicle was driving perfectly fine on Thursday afternoon during my daily commute, with crisp starts and no warning indicators whatsoever, which makes me wonder if these modern electronic setups with dash cams, alarm sensors, and continuous tracking draw far more background power than they used to. A colleague at work mentioned that when vehicles sit in stuffy underground parking levels without circulating air, the ambient heat combined with parasitic electrical draw will flatline an aging cell much faster than people realize, and he suggested I track down the Best Amaron 70Ah battery shop in DIFC to see if they can send someone over with a load tester rather than risking a jump start that might fry sensitive electronic modules. I looked around online to see what standard replacement steps people follow around here, and it seems like a lot of folks recommend upgrading the reserve capacity slightly to handle long idle periods, but I am somewhat nervous about whether standard roadside crews actually carry calibrated multimeters to verify that the alternator is putting out healthy voltage before simply slapping in a new unit and driving off. Has anyone here had a similar sudden drain experience after leaving their car parked for just a few days, and did replacing the power unit completely solve the issue or should I be actively hunting down a hidden electrical short somewhere in the fuse box before spending money on new parts?

  

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  archernolan replied 2 weeks, 1 day ago 1 Member · 0 Replies
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