# Question: How Long Will A 12v Battery Last With LED Lights?

## How long will a car battery power LED lights?

So, a 12VDC, 115-amp hour battery running a FlounderPro 8550 (90W) that pulls 7.5-amps should last approximately 14.6 hours (115/8) on a 115 amp hour deep cycle battery..

## Do 12 volt LED lights get hot?

Some LED lamps can overheat when used on 12 or 24 volt solar systems. … When LEDs are run at a higher voltage they become very hot. The heat can damage the LEDs, or the soldering around them, so they either start flickering, go dim or die entirely.

## Will a 12v fan kill a car battery?

Car batteries discharge in amp/hours. And a car battery can be rated 100/amp hours. About 100 fans could run off your battery and it may last a few hours. … If the fan is say… 500 milliamps, or half an amp, and also 12 volts..

## How long can a car battery run a 100 watt light bulb?

about a 100 hoursexperiment 1 car battery and a 100 watt cree light bulb how long will it run? Right up until the voltage is too low to run it. You’d be far better off using a 12V light to eliminate inverter inefficiency. about a 100 hours non stop on a car battery with no charge.

## Do I need a relay for LED fog lights?

A relay is an electrical switch that lets a low current circuit control a high current circuit such as a large LED light bar. … If you are using a light pod that does not have a very large amp draw, you may not need a relay switch, but if you are using a larger LED light bar, they are a must have.

## Can you run LED lights off a car battery?

LED lights are long lasting and can help you save on electrical costs. Many LEDs can even be run off a 12v battery.

## How many amps do 12 volt LED lights draw?

For example, a 120V LED system will pull 1 Amp in a 120 Watt system, while a 12V LED system will need to pull 10 Amps to power the same 120 Watt system.

## Can battery LED lights catch fire?

The key point with these led string lights is that they do not generate heat like incandescent bulbs do. They give off super bright light but virtually no heat. What does that mean from a safety standpoint? It means there is absolutely no fear of overheating or fire.

## How long will a 9v battery power an LED?

one 9V battery will give you somewhere between 120 and 200 hours of illumination with the simplest circuit, a series resistor. With a good switching voltage converter circuit you should be able to get more than 600 hours.

## How many LEDs can a 12v battery power?

The answer should be the source voltage divided by the voltage drop of 1 LED. So if your source is 12v, and your LEDs have a voltage drop of 3.5, 12/3.5v, gives you 3 LEDs. If the the forward voltage drop of the LEDs was exactly 3 volts, you’d be able to drive 4 of them, and would not need a current limiting resistor.

## How many amps does a 100 watt LED light bulb use?

0.90 AmpsA 80 Watts bulb draws 0.72 Amps to operate. A 100 Watts bulb draws 0.90 Amps.

## Can I connect 12v led to car battery?

Answering your question: you can’t use a 12v battery to power a 12v led strip directly. a fully charged lead acid will have 13.8v which will burn out your led strip if you are doing so. You don’t need a current limited device.

## Can I connect a LED directly to a battery?

Powering an LED is not as easy as simply hooking it up to a battery. An LED has almost no internal resistance. Therefore, if you hook it up directly to a battery, it will burn out quickly as the current flows unimpeded through the LED. You must add a resistor to the LED circuit.

## How long do batteries last with LED lights?

Microdrop LED lights constructed on thin uncoated wire should last over 100 hours with a fresh set of 3 AA batteries or 2 round C-style batteries and standard LED battery light sets with thicker insulation and LED lenses should last about 18-24 hours on a set of 3 AA batteries.

## How long can a AAA battery power an LED?

3.6 hoursAn LED is fairly bright with a current of 20mA. Three 3V LEDs need a power of 3 x 3V x 20mA= 0.18W but the voltage boosting circuit needs about 0.1W so the total is 0.28W. An AAA alkaline cell will power them for 1W/0.28W= 3.6 hours.

## How long will a 9v battery power an LED strip?

A 9v battery will perform at about 120mAh with that kind of draw on it. This means we can run the LEDs for . 14 of an hour (~ 8 minutes). If you run anything else off of the battery your powering the LEDs with, that means the battery will not last as long.

## How many amps does an LED light strip draw?

To find the total maximum current draw per meter, we would multiply 60mA x 10 (ten segments per meter for the 30/LED per meter strip) = 0.6 Amps per meter OR 60mA x 20 (twenty segments per meter for the 60/LED per meter strip) = 1.2 Amps per meter.