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How to Fill and Charge Yuasa YTX14-BS Motorcycle Battery

How to Fill and Charge Yuasa YTX14-BS Motorcycle Battery


In this video we demonstrate how to prepare
a brand new dry-charge Yuasa lead-acid battery for a motorcycle. Here we have the Yuasa YTX14-BS
12 volt battery. This battery is a sealed, maintenance-free, dry charge battery with
an absorbed glass mat (AGM) separator and valve regulated vent system (VRLA). It has
a capacity of 14Ah (amp hours) and 200 cold cranking amps (ccA) or 200A. Before we begin make sure you have a clean,
cool & dry well ventilated area to work in. Read all of the instructions provided by the
manufacturer. You will need safety gloves, goggles, water close by and someone within
yelling distance who can come to your aid in case of an injury. Unpack the battery and set the electrolyte
solution aside. Since this is a 12V battery, there will be 6 cells to fill with the electrolyte
solution. The plastic canister will have 6 tubes filled with electrolyte (1 for each
cell). The electrolyte is composed of sulfuric acid
so be very careful handling it. If you get acid on yourself don|t panic. Just quickly
wash water over any exposed areas. Never touch your eyes or mouth during this process especially
if acid is on your hands. Remove the protective seal covering the battery
cells. Unwrap the electrolyte solution. You may need
scissors to cut open the plastic bag. Carefully remove the cap on the canisters
and set aside as this will become the cap for the battery cells. Do not puncture or remove the seals from the
electrolyte canisters. Carefully align the canister tubes with their
corresponding cells. The seals will self puncture. Keep the canisters in an upright position
and apply gentle downward pressure, slowly adding more pressure until all the seals are
punctured. The canister should be even and self supported. The solution will immediately
start to dispense in the cells at a relatively even rate. You may need to lightly tap the
top of the canister to help get it started. You will see air bubbles in the tubes as it
empties. Do not try to rush this process or shake the canisters. It may take 15 to 20
minutes for the canisters to empty completely. You may need to gently rock the canister back
and forth to make sure all the solution is dispensed. Once the the electrolyte solution
is completely emptied into the cells, you can carefully remove the canister and dispose
of correctly. Absorb any spilled or excess acid from the
battery and tops of cells with a dry paper towell. The canister cap now becomes the cap for the
battery cells. Since we still need to charge the battery, it is important you only put
the cap on loosely for the first time we charge it. This allows out-gassing and venting to
take place during the first charge. For demonstration purposes we use a voltmeter
to check the charge of our battery after filling the acid. We get a reading of 12.7 volts.
If we had tested the battery before we added the electrolyte solution, we would get a reading
of 0 Volts because the battery would have no positive or negative. Before charging the battery, read the instructions
on the box or the battery as it will tell you how fast and how much current you can
use. The initial charge is the most important charge for this battery. This particular battery
has a “standard charge” requirement of 1.4A x(for) 5-10hrs and a “quick charge” of 6.0A
x(for) 1.0h. We want to use a slow charge for the first charge. In our example we use a Noco Genius 3500 battery
charger. We set the mode to “small 12V AGM battery” with a current of 0.9A. We will let
it charge overnight. Now that our battery is fully charged, we
are ready to seal the cap. We can confirm the charge by testing our battery with a voltmeter.
With the charger still connected to the battery we get a reading of 13.9. This reading will
usually be between 13.8 and 14.2 if the charger has gone into float mode like ours has. When we remove the charger we test our voltage
again and we get a reading of 13.7 which indicates our battery is fully charged. Now it|s time to push down the cap since we
left it loosely on for the first charge. This may require some muscle to get the cap flat
so that it is perfectly sealed. Finally, you are ready to install the battery
in your motorcycle or intended vehicle. For best results use the battery immediately for
3 to 5 cycles before storing it for any duration. You should also use a trickle charger for
continued maintenance of your battery when you are not using it. We hope this video on filling and charging
a dry charge motorcycle battery was useful for you. You can purchase this Yuasa battery
online at www.atbatt.com

1 comment on “How to Fill and Charge Yuasa YTX14-BS Motorcycle Battery

  1. Hi, I have a question, I got a battery like those, and I charged it after completely
    sealing the cap, is there anything I can do now?

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