Gel batteries are considered the most sensitive of deep cycle batteries due to their adverse reaction to over-voltage charging. Gel batteries are usually sealed but some are valve regulated, in which case tiny valves sustain a positive pressure in the battery. Its electrolyte composition is in a semi-fluid state made up of silica, causing it to stiffen up more than a flooded battery. Gel Battery: These are another form of deep cycle battery that contains some of the features from both flooded and AGM batteries.But as they are totally sealed and not composed of fluid, AGM batteries can be easily transported without worrying about leakage and spillage. Thus, they have to be well maintained and kept in a cool and compact location. It is considered that the internal resistance of AGM batteries is poor when compared to any traditional battery they acquire slower resistance when it comes to sustaining high temperatures and controlling self-discharging. They are also called starved electrolytes because the fiberglass mat is 95% saturated with sulphuric acid, leaving no excess fluid in the battery. The plates in these batteries are flat and wet or sometimes bound in a tight spiral composed of lead and acid. Absorbed Glass Mat Battery (AGM): The type of deep cycle battery where the electrolyte is immersed in a fiberglass mat.Thus it is advisable to check the level at regular intervals and test the electrolyte capacity with a hydrometer to prevent damage. The capacity of these batteries is dependent on the electrolyte level and its depletion can reduce the life expectancy rate.
The level of electrolyte should be above the plate, working as a reservoir and ensuring that the slightest decrease in the water level does not affect the chemical composition of the battery. They are considered low maintenance batteries because of their dual alloy or hybrid plates composed of lead and calcium. Flooded Wet Cell Battery: These are also known as sealed batteries that contain electrolyte fluid and have plates that are submerged in the chemical solution.Designed to release less charge than a standard battery over a longer period of time, they have thicker plates than regular vehicle batteries which provide a strong charge base.ĭeep cycle batteries come in various forms that are manufactured to perform different functions: Charging your battery with Cigarette Lighter Socketĭeep cycle batteries are mainly used for marine vehicles, golf carts, traffic lights, etc.
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