The Battery - The heart
of your car's engine
 Without
a charged battery - even the most powerful car is rendered immobile.
Yet the battery is often one of the most neglected components in
the entire car.
Here's how to make sure that you keep your car's battery in tip-top
condition and avoid being stranded at the roadside without the power
to get you going again.
Connection
 The
battery is most commonly located under the bonnet but in some cars
it can be found elsewhere like under the floor in the boot. The
two grey coloured posts on top of the battery are called 'terminals'
and are marked ( + ) for positive and ( - ) for negative. To avoid
damaging the electrical system, IT IS IMPERATIVE THAT THE
TERMINALS ARE CONNECTED TO THE APPROPRIATE ELECTRICAL LEAD.
If in doubt, consult your car's handbook or better still - leave
it to the professionals at National.
Charging
Providing your car's alternator and drive belt are in good condition
- the battery is re-charged automatically as you drive. In some
cases, it can be removed from the car and connected to a domestic
mains-powered battery charger - but care must be taken as the unit
is heavy and as it contains sulphuric acid - it could be dangerous
if dropped. If your car won't start, a flat battery may be assisted
by connecting it to another car's battery with jump leads. Once
again it is vital that the leads are connected observing the correct
polarity ( + ) and ( - ).
Care and Maintenance
Most modern batteries require no periodic maintenance other than to keep the connections to the terminal clean and the fixing bolts tight.
Replacement
Eventually the internal condition of the battery deteriorates until it is unable to hold a charge and the battery has to be replaced. Usually the first symptom of this is that the battery doesn't hold enough reserve power to start your car. The only solution is a high quality, low cost replacement from National. Your local National technician will advise you on exactly the right type of battery for your car depending on the engine size and the typical conditions in which you use your car.
National guarantees - total peace of mind
Even the best battery can fail - and the consequences can be inconvenient and expensive! That's where National's superb battery guarantee comes in, offering total peace of mind. Should any fault occur with your battery National offer a full range of guarantees. At National - we recommend and fit only the best and most suitable battery for your car.
Nobody tries harder than National.
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