![]() These are often called traction batteries because of their widespread use in forklifts, golf carts, and floor sweepers. Any battery with the capacity shown in "cranking amps" is NOT a deep-cycle battery, and some marine batteries with MCA ratings may be a hybrid (basically a battery with thicker plates than an automotive battery, but thinner than a true deep-cycle). SLI batteries are usually rated at "CCA", or cold cranking amps, or "MCA, Marine cranking amps". These should not be discharged more than 50%. The so-called Marine deep-cycle batteries are actually a "hybrid", and fall between the SLI and deep-cycle batteries. These can be damaged quickly if deep cycled.ĭeep cycle batteries are designed to be discharged down as much as 80% time after time, and have much thicker plates. SLI batteries have many very thin plates with a large surface area, designed to be discharged no more than 1 to 5% from full charge. SLI batteries are commonly used to start and run automobiles, where a very large starting current is needed for a short time. The major construction types are flooded (wet), gelled, and AGM (absorbed glass mat).Īutomotive, or SLI (starting, lighting & ignition) The major applications are automotive, marine, and deep-cycle. Typical efficiency in a lead-acid battery is 85%, in a NiCad battery it is about 65%.īatteries are divided in two ways - by application (what they are used for) and construction (how they are built). A battery rated at 180 amp-hours over 6 hours might be rated at 220 AH at the 20-hour rate, and 260 AH at the 48-hour rate. Slower charging and discharging rates are more efficient. If you use 1000 watts from a battery, it might take 1200 watts or more to fully recharge it. Batteries are not 100% efficient - some energy is lost as heat when charging and discharging. In rechargeable batteries this process can be repeated many times. As chemicals in the battery change, electrical energy is stored or released. ![]() Batteries do not make electricity - they store it, just as a water tank stores water for future use. We stock all required sizes: 6 volt, 8 volt and 12 volt.Ī battery is an electrical storage device. They must all be capable of working all day, charging overnight and doing it again the next day – for EIGHT years. Golf Carts have similar duty cycle requirements to forklift trucks and floor scrubbers. Read below for more specific information.
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