Car battery care tips
Many car owners these days tend to neglect their oil and
water levels, these days and this includes the car battery. Like anything else
in this life things will work better if they are looked after. Being a garage
owner myself I see the amount of neglect on the cars that come into the garage
for minor things, such as to top up the cars washer bottles, or check their oil
level for them.
When we lift the bonnet (hood) you can see that the battery
terminals are all corroded with the white powder and the battery is generally
filthy and dirty. This is a sure sign that the battery has not been checked in
ages.
Car battery types
The ratio of sealed batteries and open ended types with a
screw top are about 60/40 these days. This means that about 40% of cars should
have the tops removed and the batteries water/acid levels checked and topped up
if required. The 60% of batteries that are sealed lead acid batteries cannot
have their water/acid levels checked, because obviously they are sealed and you
cannot gain access to the cells.
The sealed ones have a different type of material to make
the cell plates out of. The plates are made of lead alloys and do not gas as
much as the screw top type of battery that are made of lead antimony and this
will tend to give off more gasses, thus reducing the amount of liquid in the
battery. The acid/water mix is known as electrolyte and should be just covering
the tops of the plates inside each battery cell.
It is not a good idea
to top your battery up with tap water as it may contain other chemicals. You
can buy electrolyte from a motor accessory store or if you have a condenser type
of spin dryer, then the water that it produces in the plastic reservoir, is in
fact distilled water and can be used to top up battery. Your car battery will
need more checking up in hot weather because of a higher rate of evaporation.
Also if you have to constantly top one particular cell up, then the cell could
be shorting out and boiling up the acid, if this is the case, than a cheap car batteries are the answer.
Car battery terminals
This is one of the commonest problems that can occur with
your car battery is the gradual erosion of the
Terminals like these require a really good cleaning |
This mess needs cleaning off, as it does no good at all. The
best way to do this is to pore some hot water onto the terminal slowly, remember
this is acid and you should not let it touch your body, eyes or cloths. Some people
use a mixture of water and baking powder, which neutralises the acid and you,
can then give the whole terminal a rub down with a cloth and a wire brush. The
terminal should then be protected by coating the terminal with a good
smothering of petroleum jelly. Here in the UK we use a brand name called Vaseline.
Keep a car battery charger handy
In the winter time when the days are short and the nights
long and cold it is always a good idea to charge your battery every now and
then. If you keep your car in a garage then it would be easy to hook the car
battery up to a charger, from say your work bench, but if you leave the car
outside you should probably
Ring smart battery charger suitable for cars |
Battery chargers are now very cheap to buy. You can now buy
what they call smart chargers, and all you do is connect them up and leave them,
the charger will take care of your battery without you touching it again.
Before you charge the battery up, make sure that you unscrew
the tops. This allows for the gases to escape while the battery is being
charged up due to the acid heating up and evaporating, then top the battery up
to the correct level after the charging has finished.
Checking the specific gravity of your car battery
If you want to take testing your battery a little further then
I suggest that you invest in a hydrometer. They are not very expensive and will
determine the state of charge of your caravan battery. The hydrometer
measures the specific gravity of the electrolyte in your battery. If you place
the rubber tube into the battery then
A simple hydrometer will show you the state of you battery |
You can also use a simple voltmeter set at 20 volts or
above. The reading for a fully charged car battery should be 13.5 volts or
above, if it is below 11 volts then the battery will need replacing.
Disclaimer
Please note these are the words and opinion of the author
(Eric Roberts) only. Neither the author nor the website can be held responsible
for any errors or omissions. You should seek professional assistance if in
doubt about your choice of battery. The article may contain a link to
Batteriesontheweb where you can buy battery products online.
|This article is also posted on..http://www.batteriesontheweb.co.uk/blog/