A 5000-watt inverter would require a minimum **450 to 500 ah 12 V battery**. Alternatively, you can have two separate batteries of 210ah 12V that would power the system for 30 to 45 minutes. If you demand to run the inverter for 1 hour, you would require 750ah 12 V batteries.

## How big of an alternator do I need for 5000 watts?

Ultimately you need a **5000 watt** alternator for a 5000 watt load, but if you consume 5000 watts inside your car it will be effectively an oven and you will die soon. You will also need special signalling to your engine ECU to tell it that the AC is on so that it doesn’t stall.

## Which car battery is best for sound system?

The best car audio battery you can find is the **XS Power D3400 12V High Output Battery**. This power cell has the highest power output, so it will be able to run even the largest of car stereos.

## What size battery do I need for 8000 watt amp?

12 volt 35 amp batteries contain 12*35=420 watts so 8000 divided by 420 is **19.05 batteries**.

**How many batteries do I need for 5000 watt amp? – Related Questions**

## How many amps is 5000 watts good for?

A 5000 watt generator provides approximately 41 amps in case of 120 volts or **20 amps in case of 240 volts**.

## How many batteries do I need for a 3000 watt amp?

For a 3000-watt inverter, the number of batteries you need **depends on their amperes per hour**. For example, the average car battery has a 50Ah rating. If the battery banks you want to purchase are also 50Ah, you will need six of them for a 3000-watt inverter.

## How many watts can a 100Ah battery hold?

Using that equation, the number of watts a 12 volt 100Ah battery can provide in an hour, would be calculated like this: 100 amp hours x 12V = 1200 watts hours or **1200 watts for one hour**.

## How many watts can a 100Ah battery run?

100AH x 12 Vdc = **1200 Watt-Hours** Therefore a 12Vdc 100AH battery has 1200 Watt-Hours of capacity. The Watt-Hour capacity of a battery bank is the sum of all the batteries connected in the system. For example four 100AH batteries (1200 Watt-Hours each) result in a 4800 Watt-Hour battery Bank ( 4x 1200 = 4800 ).

## How many amps can you draw from a 100Ah battery?

A 100ah battery should provide **1 amp for 100 hours**, 2 amps for 50 hours, 3 amps for 33 hours etc.

## How many amps is a 8000 watt generator good for?

How many amps does a 8000 generator provide? In general, a 8000 watt generator provides approximately **66.7 amps, in case of 120 volts or 33.3 amps in case of 240 volts**.

## What can a 7500 watt generator run at once?

**In layman’s terms, a 7500 watt generator can run almost all household appliances, power tools, RV & camping appliances, including:**

- Small window AC unit – 1,200 watts.
- Fridge with a freezer – 700 watts.
- Small well pump (1/2 HP) – 1,000 watts.
- Washing machine – 1,150 watts.
- Coffee maker – 1,000 watts.

## Can I just plug a generator into an outlet?

**Under no circumstances should you plug a generator into a wall socket**, known as backfeeding. If you go the transfer switch route, get a professional installation. Follow the generator pre-start checklist.

## How many watts do I need for a 100 amp generator?

If you have 100 Amp service panel, use a **8-12 kW** GenSet (use larger if you have air conditioning).

## How many amps is 7500 watts at 240 volts?

A generator producing 7500 Watts, at 240 Volts, produces a current of 31.25 Amps. However, it will most likely be limited to less than that. A generator’s load can be expressed as Watts or current at 120 or 240 Volts.

## What size wire do I need for a 7500 watt generator?

MPI Tools’ 10 foot Locking Generator Cord is a combination of excellent power transfer (125/250v –7500 watts) and durable craftsmanship. The **10 gauge** wire is sure to hold steady power for whatever you need it for.

## What will a 10000 watt portable generator run?

At 12,500 starting watts and 10,000 running watts, this unit can handle it all in an outage – **lights, refrigerator, modem/router, security system, window AC, furnace blower, TV, computer, phone charger and more**.

## How long will a 7500 watt generator run on a tank of gas?

Champion’s ultra-powerful 7500-watt generator with electric start features Dual Fuel, allowing the 439cc engine to run on either gasoline or propane. Featuring Intelligauge, Volt Guard™ and Cold Start Technology, it provides up to **10 hours** of run time on gasoline or 5.5 hours on propane.

## How long will a 8000 watt generator run on a tank of gas?

Using gasoline, the 459cc Champion engine produces 10,000 starting watts and 8000 running watts, and will run for **8 hours at 50% load** when the 6.0-gallon fuel tank is full.

## What will a 11500 watt generator run?

At 11,500 starting watts and 9200 running watts, this unit can handle it all in an outage – **lights, refrigerator, modem/router, security system, window AC, furnace blower, TV, computer, phone charger and more**.