Well the battery should last more than a few hours so I would definitely replace it. If you are worried on long trips, or don't want to bring a batter backup system, a solar panel connected to the battery is a nice mod that does not hurt the look and is easy to install. I have one on my 2023 Tacoma, I just let the battery drain as much as I want, zero issues.
Cascadia 4x4 I Vehicle Specific Solar Systems I Toyota
Solar systems specifically designed for the hood of your Toyota. The Cascadia 4x4 VSS systems have been designed to withstand the extreme conditions of overland travel and provides a constant flow of clean solar energy to the vehicle battery. The VSS is the perfect addition to any overlanding or...
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