All You Need To Know About A Deep Cycle Battery

A deep cycle battery is a type of battery designed to continuously provide a set amount of current over a long time period. These batteries deeply discharged using majority of their capacities .Depending on the construction and manufacturer, a deep cycle battery can discharge 50% to 80% of its capacity. To accomplish this, the battery uses very thick plates, with higher-density paste material and thick separators.
In contrast, most automotive batteries and other starter batteries are designed to provide short but high-current bursts and therefore only discharge part of their total capacity. Such batteries would get quickly damaged if they were to be deeply discharge frequently .While deep cycle batteries can be used to provide a surge, they cannot deliver anything close to what a car battery can.

To prolong the lifespan of these batteries, the best thing would be to maintain their average cycle at approximately 50% discharge though they can be cycled down to as low as 20% discharge. There is a direct relationship between a battery’s depth of discharge and the total number of charge & discharge cycles it is able to perform.

A deep cycle battery is used for various purposes including cathodic protection, off-grid energy storage systems (for wind or solar power) and powering equipment at remote sites as well as traffic signals. It is also used in trolling motors of fishing boats , motorized wheelchairs , recreational vehicles , industrial electrically-propelled floor sweepers , uninterruptible power supply(UPS) and audio equipment .

Most of the deep cycle batteries available on the market are mainly lead acid batteries so can be recycled 98% by volume and 99.5% by weight. The lead plates, plastic cases, sulfuric acid and all metals are 100% recovered for reuse with the only part that’s not recyclable being the paper separators which wrap the plates. The reason behind this is because the paper sits in acid bath so its fiber length reduces in a way that it can’t be rewoven.

Kapil

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