Checking And Charging Motorcycle Batteries

Checking And Charging Motorcycle Batteries

How are Motorcycle Batteries Rated?

The amp/hour (AH) capacity is​ the​ basis for​ rating motorcycle batteries. for​ example, a​ 12AH battery can produce one amp of​ current flow for​ 12 hours, or​ two amps for​ six hours. in​ order to​ calculate the​ amount of​ time needed to​ use up a​ fully charged motorcycle battery by turning the​ lights on, we have to​ take power in​ watts, and​ divide it​ by voltage, which gives us the​ current draw in​ Amps. Therefore, a​ 72 watts beam and​ tail together, divided by 12 volts equals a​ 6-amp draw. So in​ 2 hours, the​ 12AH battery is​ dead.

Checking Motorcycle Battery:

If you decide to​ check if​ your new motorcycle battery is​ done correctly, follow this actual factory-recommended service procedure.

If the​ battery is​ not a​ maintenance-free type which doesn't have a​ vent tube, unwrap the​ battery, unkink the​ vent tube and​ snip about a​ half-inch off the​ end. Fill it​ with electrolyte midway (between the​ high and​ low level markings on the​ case) and​ leave it​ undisturbed for​ one or​ two hours. Remember, the​ battery will still be at​ only 65% of​ full charge at​ this point. Add electrolyte again if​ required.

If your battery is​ a​ refillable lead-antimony type, it​ should be charged at​ one-third of​ its rated capacity in​ amp/hours for​ four to​ five hours to​ get it​ to​ full charge. Maintenance-free type battery should be charged with a​ constant-current charger that can drive the​ charge with as​ much as​ 16.9 volts. This should be closely supervised so as​ not to​ exceed full charge.

Next, recheck the​ electrolyte level and​ add water if​ required. Let the​ battery cool so the​ case contracts enough to​ fit into its typically tight little holder. Run the​ new breather tube, if​ the​ battery comes along with one, carefully through the​ original factory routing.

Things to​ Remember when Charging the​ Battery:

1.First of​ all, it​ is​ important to​ remember that Red is​ positive and​ Black is​ negative in​ order to​ avoid any accidents such as​ short-circuits and​ nasty shocks.

2.The charger should be compatible with the​ motorcycle battery, and​ give a​ greater output than the​ battery voltage but not too high.

3.Make sure the​ connections are clean and​ the​ electrolyte is​ at​ the​ upper level, and​ don’t fill the​ cells up to​ the​ very top of​ the​ battery.

4.You can either use an​ optimizer on the​ battery which can effectively switch off the​ battery when it’s charged and​ prevents overheating, or​ disconnect it​ manually.

5.It is​ recommended to​ put your battery on charge every two or​ three weeks.

6.An upper and​ lower level battery should have all the​ cells on the​ upper level, not over and​ never under the​ lower level.

7.For topping off the​ low cells, use only distilled water.

8.The minimum charge for​ a​ new batter should be at​ least for​ 8 hours.

9.If you have a​ dry battery, fill the​ cells slowly and​ leave the​ battery for​ around half an​ hour.

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