I am a new owner of a 2017 Acura RDX. I do not do a lot of mileage every year and I rarely do a long drive. I was wondering if it would be good to connect my battery to a smart charger?
In recent years, we see a heavy trend in the automotive industry: The 12-volt batteries of vehicles are discharged over time, especially when you do not drive a lot, not often or make short trips.
Several causes can explain this situation. First, manufacturers have the annoying habit of putting a small battery in their vehicles, perhaps to save weight or space in the engine bay or even money from vehicle manufacturing. However, they are poorly adapted to a climate like Quebec, where long, harsh winters are demanding.
There is also the rise in the number of on-board electronic components in vehicles. These, although practical and effective when driving, require a large amount of power from the start of the vehicle. The battery, already too small, must provide a lot of energy to power them, which compromises its state of charge.
We say to ourselves: no problem, the battery recharges while driving! It's absolutely true, but it becomes problematic when you do not drive a lot. The energy of the battery is then drained from the start and the distance too short does not give the time to the alternator to recharge it properly, so much so that it ends up being discharged and not being able to start the vehicle.
It seems to me therefore appropriate, in the conditions of use that you describe, to permanently install a smart charger in your vehicle. In winter, or when several successive starts are made, simply connect the wire that you can get out at the front of your vehicle so that the battery returns to full charge. I suggest you plug it in at night when you come home to be full the next morning. It's really boring as a situation, but since it's almost inevitable, it's the only way to go.
Also, you can replace your current battery for a more powerful battery, type AGM, which maintains the load better and is more effective in cold weather.
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