Have you ever wondered why some people's batteries last longer than others? Pro Bass Angler and ASE Certified Master Automotive Technician Mark Lassagne explains, why marine and automotive batteries need to stay charged.
Unlike batteries for your kid's toys marine batteries do not have memory only the lack of. Most all marine batteries use a chemical reaction to create voltage. Inside most automotive and marine batteries you have cells consisting of two different types of lead plates and an envelope to hold the lead plates. Each cell is like a small battery in its self and when the battery maker adds more cells you get more voltage. Along with the envelopes and lead there is sulfuric acid solution the when mixed with the lead creates voltage. Marine batteries have bigger or thicker the plates allowing the battery to stay charged longer while car batteries have smaller plates for increased amperage. When using anything the draws power from your battery the batteries are discharged. While your batteries are discharging the sulfuric acid solution inside the battery changes or separates. The sulfur part of the solution then attacks the lead plates, eroding the plates and causing less plate area for the battery to hold its capacity. Also when the battery is at a low state of charge the lead plates that have been eroded can shed, casing the particles to fall to the bottom of the battery and short out the plates causing a weak cell and loss of capacity. Less capacity will cause your batteries run down sooner.
For maximum life form your battery it is recommended that you keep your batteries charged whenever possible and should be one of the first things you do when you get off the water.
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