What size fuse do I need on my leisure battery?
What size fuse do I need on my leisure battery?
20 Amp should do it. Put it as close to one of the batteries as possible.
Where is the fuse on a leisure battery?
Where is the fuse for leisure batteries? 2 things. The Leisure battery fuse, if fitted is not a normal type of fuse and normally integral to the + tve connector on the rear battery. If there is No Fuse seen then you need to check for continuity of the connections between the 2 batteries.
What is a battery fuse?
A fuse is a safety device that breaks an electric circuit if the current gets above safe levels. It is also referred to as sacrificial device, because it can perform this function only once. Some of the most common fuses that are presently used in electronics are 3A, 5A and 15A.
How close to the battery should an inline fuse be?
A fuse is there to protect the wire. Should be within 8″ of battery.
How many amps is a 12V cigarette lighter?
For example, a car cigarette lighter fuse has 15 Amps and most cars use a 12V system, you take 15 and multiply it by 12 and you get 180 Watts which is your safety zone. If you happen to surpass that 180 Watt ceiling, then your fuse will blow.
How do I know if my battery fuse is blown?
Signs that you have a blown battery fuse varies from car to car but narrowing these symptoms down, we have these:
- Engine won’t crank or start properly.
- Headlights and other lights are not working properly.
- You smell burning plastic or electrical insulation.
How do I know what size fuse I need?
The simple calculation is watts divided by volts equals amps. After you have calculated this, it is a simple case of adding around 10% to the value and choosing the nearest fuse to match. This is a more precise method then just guessing should you require a 3, 5, or even 13 amp fuse.
How many amps does a leisure battery need to charge?
If the leisure battery is, say, half flat (or half charged, depending on your outlook in life!) it will, when initially connected to a standard car charger, charge at about 4 to 8 amps, depending on the capacity of the charger.
How many amps does a 6mm fuse cable have?
FYI 6mm cable is rated to 48 amps so will typically have a usefull maximum (fused) rating of 30 amps. Edit. Don’t forget about voltage drop.
Do you need a voltage rating for a fuse?
Yes, the key is to remember that fuses protect the wiring. I know for a long time I was unaware of this fact and thought that a fuse should be rated for the thing you are planing on using. There are simple online guides to wiring gauges and lengths against voltage drop and fuse ratings.