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TN Member
Prius
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1) I'd say low 40s based on your speed (NYers can give a better estimate cause they'll know the terrain and the roads you're talking about 2) 5 days should be ok. It's the regular 12V I'd be worried about lol. Two weeks.. make sure all battery drain (that can be controlled) is off (e.g headlight in OFF position, dome lights in OFF position etc etc you get the point). Try to run it once a week. The computer won't let the battery drain. The most you'll see is two bars (maybe one if you're climbing a mountain with 5 ppl and a 16% grade or something). Even then, it's not fully drained. The battery meter on the screen (MFD) shows only a small range of the true SOC of the battery. The computer keeps the charge at 60% (about 6 bars). If it's higher (e.g. 7 or 8 bars) it'll use the battery more. If it's lower, it'll use the engine more.
 
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