battery charger

Jul 15, 2005
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Hi Marcus,

A caravan 12 volt power pack performs a number of functions:

1. It provides a source of power to run the 12 volt appliances, fans and pumps in the caravan - and this requires an output of many amps

2. It recharges the caravan battery - which a car charger will also do

Generally speaking, these two jobs are beyond the scope of a simple car battery charger and you should consider a dedicated caravan power supply.

If you know the make, model and description of the existing charger - then the various manufacturers will be able to recommend the nearest alternative.

Robert
 
Mar 28, 2005
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hi my caravan had it said zig sp-4 battery charger, it that not transformer ?

would like to have more help on this,my caravan is garland 2 berths 1991

many thank

marcus
 
Mar 14, 2005
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Hello Marcus

The word 'transformer' is often misused to describe a battery charger or power supply as used in a caravan, and elsewhere.

There are important technical differences between a transformer, a battery charger and a power supply. And as such they are not interchangeable.

A transformer is a single component item of equipment. It can only be used on an AC (alternating Current) supply. It has the ability to change the voltage and current between its input and output, but it always remains AC.

A Battery charger has a specific job, in that it provides a source of current to recharge a battery. Whilst the output will be a DC (Direct Current) it will not be smooth or have well controlled voltage and it might damage any sensitive equipment that is connected to the battery.

A Power supply is more complex than a battery charger, and it has some other components in it that ensures the output is smooth and has a well controlled voltage.

Both battery charger, and a power supply will probably use a transformer as part of their internal workings, but these days they may not resemble the conventional heavy iron cored devices common a few years ago.

ZIG is a trade name of Zig Electronics, who manufacture a range of battery chargers and caravan power supplies.

Zig Electronics Ltd

Saxon Business Park

Hanbury Road

Stoke Prior

Bromsgrove

Worcestershire

B60 4AD

Tel: +44 (0) 1527 556715

Fax: +44 (0) 1527 577900

Email: sales@zig-electronics.co.uk
 

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