Century K3153-1 User Manual download pdf (Page 3)

BATTERY

Just as there are many different vehicles on the road, there are also many different types of batteries. These batteries are different in physical

properties as well as function. Selecting the right battery charger for a vehicle is just as important as selecting the right battery.

LEAD ACID BATTERIES

Conventional ( ooded) Maintenance Free (sealed)

There are two types of lead acid batteries. Starting (cranking) and Deep Cycle (marine/golf cart).

The starting battery (SLI starting lights ignition) is designed to deliver quick bursts of energy. Quick enough to start engines.

Deep cycle

A deep cycle battery has less instant energy, but greater long-term energy delivery. Deep cycle batteries have thicker plates and can survive a

number of discharge cycles. Starting batteries should not be used for deep cycle applications.

AGM/VRLA

AGM/VRLA batteries differ from  ooded lead acid batteries in that the electrolyte is held in the glass mats, as opposed to freely  ooding the

plates.

GEL

A gel battery (also known as a “gel cell”) is a VRLA battery with a geli ed electrolyte. The sulfuric acid is mixed with silica fume, that makes the

resulting mass gel-like and immobile. Unlike a  ooded wet-cell lead-acid battery, these batteries do not need to be kept upright. Gel batteries

reduce the electrolyte evaporation, spillage (and subsequent corrosion issues) common to the wet-cell battery and boast greater resistance to

extreme temperatures, shock, and vibration. Chemically they are almost the same as wet (non-sealed) batteries except that the antimony in

the lead plates is replaced by calcium, and gas recombination can occur.

SAFETY

Persons handling car batteries should wear protective equipment (goggles, overalls,

gloves) to avoid injury by acid spills.

Lead-acid battery systems when severely overcharged can cause injury. An

overchage can be recognized by a swollen battery and or a battery case that it extremely hot to the touch. This usually indicates a malfunction

in the charging system of the car.

This overcharging produces a  ammable concentration of hydrogen gas that can be ignited from open  ames or a spark.

To prevent further damage to the battery or personal injury it is important to correctly connect the battery charger cables. The positive lead (+)

of the battery charger should always be connected to the positive terminal of the battery  rst. Then attach the negative (-) lead to a suf cent

ground at a distant location from the battery. This will redirect any possible sparks away from the battery avoiding the ignition of escaping

hydrogen gases.

Battery Types and safety.

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Century K3153-1 User Manual Page 3