A modern caravan has basically three electrical systems on board. Two of these systems are 12 volt Direct Current (DC) just like your car and the third is 240 volt Alternating Current (AC) just like your house. The first system is to provide the lights that replicate the road lights on your car.
How does a caravan transformer work?
If you have a transformer on board and are plugged into the mains hook up the 240v from the mains goes through the transformer, is converted down to 12vs, which is wired to the battery and keeps it charged up.
How does a caravan leisure battery charge?
Leisure batteries are designed to provide low currents for long periods of time and then to be recharged relatively slowly. This is the opposite of a car battery which has to provide a very high current to start the car and then is very quickly recharged by the cars alternator.
How long should a caravan leisure battery last?
As a general rule, never allow your leisure battery to discharge below 50 per cent of its capacity. Performance will deteriorate with age. A typical leisure battery can last as little as five years. Winter is often the time when you find out how good your leisure battery actually is.
Why does my caravan battery smell?
Batteries can sometimes emit a rotten egg smell when recharging, which is less than pleasant for those using the caravan or motorhome. This generally indicates that the battery is being overcharged. If so, the battery is being overcharged and is in danger of being irreparably damaged.
How many years does a leisure battery last?
A typical leisure battery can last as little as five years. Winter is often the time when you find out how good your leisure battery actually is. Ideally, use a leisure battery charger rather than a standard vehicle unit.