Knowledge Builders

can you charge solar batteries with a generator

by Araceli Wuckert Published 2 years ago Updated 1 year ago

Part of a video titled How to Charge Solar Batteries Using a Generator - YouTube
First we have connection to the utility grid which can be used to consume power to power loads inMoreFirst we have connection to the utility grid which can be used to consume power to power loads in the house it also can be used to export. Power when we have excess solar.

What is the best battery for a solar charger?

  • Best Solar Phone Charger: BigBlue 28W Solar Charger
  • Best Solar Battery Charger: Anker 21W 2-Port USB Portable Solar Charger
  • Best Solar Power Bank: BioLite SolarPanel 5+
  • Best Budget Solar Charger: Blavor Solar Power Bank
  • Best Rugged Solar Charger: SunJack 15W Solar Charger
  • Fastest Solar Charger: Goal Zero Nomad 50

More items...

How to charge your RV battery with a generator?

Top 10 RV Battery On Amazon (This Month)

  • Step- 1. First of all, you must be charged your generator fully. ...
  • Step- 2. For cleaning the battery terminal first remove all the cables with the help of a wrench. ...
  • Step- 3. The next step is to check the battery electrolyte level. ...
  • Step- 4. Now you connect the battery with the generator. ...
  • Step- 5. ...
  • Step -6. ...

How to use solar power to charge batteries efficiently?

  • If you don’t have one of those or you built your own solar array, use a multimeter to measure the wattage output of your solar panel when it’s in the ...
  • Solar panels are designed to produce more power than the voltage they're rated for. ...
  • If the solar panel produces more power than the battery can handle, the battery can overcharge and be damaged. ...

How do you charge a battery with a generator?

How do you charge a portable generator battery?

  • Inspect your deep cycle battery. Fill non-sealed batteries with distilled water to the full mark inside each battery cell.
  • Fill the generator with gasoline.
  • Attach the battery charger alligator clips to the battery terminals.
  • Plug the battery charger into the generator's 120 volt outlet.


Can you charge batteries off a generator?

The best way to charge a battery with a generator: Run a proper, purpose built battery charger off one of the generators larger outputs. This will charge the battery faster and more accurately. Most chargers are self regulating so there's less chance of damaging a battery. Keep the 12-volt output as a back up.

What size generator do I need to charge a solar battery?

As a general rule, the generator should be around 2 times the size of the inverter's continuous output. For example, a 4,000-watt inverter should be paired with an 8,000-watt generator. 8kW would make sense as a minimum generator size to power the loads and have enough power to charge the battery bank as well.

Can I connect a generator to my solar system?

Unfortunately, you cannot run your home with both solar power and generator power at the same time. In other words, the generator and the solar panels cannot operate parallel to one another. Like we said earlier, solar panels send feedback to the grid, creating a dangerous scenario for utility repair workers.

Can you charge a solar battery with a gas generator?

Q: - Can I charge a Solar Generator with my Gas Generator? A: - The answer to this is yes. You are able to plug the wall charger of your solar generator into a gas/diesel generator. As long as the inverter of the gas generator is able to handle the input required for the solar generator, its no problem.

How do you charge a solar battery without a sun?

Place the solar panels directly underneath a household light to charge them as quickly as possible without sunlight. Place your solar lights as close to the light bulb as possible. The further away it is from an incandescent light bulb, the longer it will take your solar panel to charge.

How long does it take a generator to charge a battery?

A generator's typically unregulated 13.6-volts is far too low for full and speedy battery charging. It may half-charge a flat 100 amp-hour lead-acid or AGM battery within six or so hours. From there on, charging progressively reduces. It may take further 24 hours to charge it over 70%.

Can you use a portable generator with solar panels?

Solar panels can be paired with portable solar generators to provide you with emergency backup power in case of a power outage. Unlike gas generators, these are quiet and environmentally friendly. Plus you will never have to purchase fossil fuels to run them as a backup generator.

How do you charge a 12V battery with a generator?

If you're looking for a plug & play option, you can simply plug a good quality smart charger into the AC outlet of the generator and connect the 12V charging cables to the positive and negative terminals of the battery.

Can you power and solar inverter with a generator?

The bottom line is you cannot allow solar panels and a generator to work in parallel. They must be electrically isolated at all times. If solar inverters “see” voltage from a generator, they will attempt to sync with the generator and backfeed power to it.

Is it good to charge solar battery with electricity?

As a rule, if you have a large battery bank, you should charge it with solar power. This is because a solar system supplies you with free energy while charging batteries using the grid is inefficient and will lead to a higher electricity bill.

Can I charge inverter battery with generator?

Let's get straight to point: Most inverter generators may have a 12-volt output on them, but when it comes to the crunch, they are not designed to fully charge your batteries directly. There are two main reasons why: First, your generator's DC outlet is limited to a current of about 8 amps maximum.

Can an inverter be connected to a generator?

Using an inverter can reduce the load on the generator especially running a centrifugal pump or fan slower and hence, if using a diesel-powered generator, less diesel will be required. The size of the generator could potentially be reduced as the load is reduced.

What size generator do I need to live off grid?

The typical off-grid family will want a generator of at least 7000 watts to have a comfortable off-grid backup system. 7000 watts should generally be considered the minimum.

What size solar generator do you need?

Look for at least 2,000 watt-hours if you plan to use the generator for back-up power for a house. Solar Input. The more energy the generator can take in, the quicker it recharges. If it inputs 200 watts an hour, then it needs 10 hours of sunlight to fully charge.

What size battery generator do I need?

If you need to power a refrigerator, microwave, sump pump, and lights, then a 5,000-7,000 watt generator should be sufficient. If you want to run more power-hungry items such as a water heater or air conditioning unit, you will need to look at a 10,000-watt model.

How big of a solar generator do I need to run a refrigerator?

An average home will need about 6,000 watts of solar to go completely “off grid”. However, if you want to backup a refrigerator and maybe a freezer, and power a few lights, then 1,500 watts might be sufficient to handle that, depending on the quality of inverter, and if you have enough solar panels and batteries.

What are solar batteries used for?

For many people, solar batteries are used for powering essential devices and appliances only. This could be things like medical equipment, lighting, a refrigerator, and a sump or well pump for a few hours.

How much does it cost to install a 9.8 kWh battery?

It takes a lot of money to install enough batteries to store the energy needed to run your home or business like normal. One 9.8 kWh battery is about $15,000 with installation costs before incentives.

How Much Can You Back Up with Batteries?

The power goes out for days, but life goes on as normal as your battery-backed solar system powers your entire home or business. While this probably sounds great to every solar owner, unfortunately, it’s not a reality for most - at least not yet.

How to boost electricity while the grid is down?

Generators are a less expensive way to boost the electricity your home or business has access to while the grid is down. For shorter-lived outages, you can rely on the convenient and green battery bank charged by your solar system. These can provide enough power to run your critical appliances until things are back up and running. For longer outages, you’ll have the option to switch to your generator to keep things running even longer and while your battery system recharges.

Is battery back up expensive?

Despite declining costs, a battery back-up system can still be very expensive, and a generator is dependent on outside fuel sources that can give off harmful fumes. Depending on your situation, one of these options may be perfect for you. If not, what about a combination of the two?

Is battery technology a mainstream technology?

Over the past few years, battery technology has emerged into the mainstream with dropping costs and increasing efficiencies, offering solar owners another way to protect themselves from the issues of losing power.

Can a portable generator run on gas?

Unfortunately, whether a smaller portable generator or a larger standby generator, they don’t run on money-free and emission-free sunshine like your solar batteries. If running for days, your generator will require gallons of gas. Not only can that get expensive, but gas may be difficult to come by during a natural disaster.

How many panels are needed for a 12 volt battery?

At 1500 watts of panels into a 12 volt battery requires 125 amp charge controller. You have 5 panels a prime number which means you can only configure them all in parallel loosing a lot of the benefits of a expensive charge controller.

How many amps can a 48 volt golf cart charger hold?

Just buy you a 48 volt golf cart charger rated 15 to 25 amps. The only way you can have 400 AH if you wired the batteries in parallel for 12 volts which is a huge No-No, and just plain silly because with 1800 watts of panels would require a second Midnite 150 Classic Controller.

How many strings of 4 batteries are 64 6V?

64 6V batteries would be 16 strings of 4 batteries each producing 24V nominal. If it is really 4 strings of 4 that is only 16 batteries. And 4 strings in parallel is way too many. One string is good, two strings well monitored may work for awhile.

How many amps for 1500 watts?

At 1500 watts of panels into a 12 volt battery requires 125 amp charge controller. You have 5 panels a prime number which means you can only configure them all in parallel loosing a lot of the benefits of a expensive charge controller. At 96 amps of charge current into 400 AH battery is a C/4 charge current which is to much.

Is an inverter an inverter?

No the inverter is just an inverter that converts the power ..... Would i need something like an Outback?

Why do you need 150% more generators than what the charger is rated for?

They say you need 150% more generator than what the charger is rated for because consumer and contractor generators are only designed to run at about half to 2/3 load continuously. The wiring in them can't handle constant running at full power. Battery chargers are a constant unforgiving loads to power.

How many parallel strings of batteries?

With the batteries you only have one option 3 parallel strings of 4. Connect the load and charge cables, load directly to the post charge on top, connect positive and negative diagonally opposite, for better ioad and charge ballance, refer to the link for more details.

Why is it important to have 3 parallel batteries?

Another thing to keep in mind is with 3 parallel strings of batteries it's important to keep strings balanced so they charge and discharge evenly. Heavy interconnect cable and proper wiring is important. AGMs have advantages, but can be tricky to manage because of the difficulty in measuring state of charge.

Can you use a smaller inverter for big loads?

You might want to consider a smaller inverter to handle small loads, and just use the big one for big loads. Knowing more about your loads would help..


1.Videos of Can You Charge Solar Batteries With a Generator


22 hours ago You can charge your solar batteries with a generator. Unless you have a very advanced generator, you will likely need an inverter to accomplish this task. However, once you have the right parts, the process is as simple as it gets. Quite literally, you can plug in and charge right away with no extra steps. How To Charge Solar Batteries With a Gas Generator. Did you …

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35 hours ago  · Both the generator and the solar panel will be charging the battery. Therefore, the battery will charge faster and you will also reduce the fuel used. Step 4: Disconnect the generator. Once the solar battery is fully charged, switch of the plug available at the connection between the grid and the generator. Remove the generator

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10 hours ago  · As for your genny question. Today you would need a 2 Kw unit and a 12 volt 60 amp charger That will give you 750 watts of charging power which is about the max your batteries can take. Smart money says wait until you get your equipment matched up because right now you have a bit of a mess that is way beyond any 12 volt limits.

6.Charging Batteries With Generator - Solar Panels Forum


17 hours ago March 2017 #5. They say you need 150% more generator than what the charger is rated for because consumer and contractor generators are only designed to run at about half to 2/3 load continuously. The wiring in them can't handle constant running at full power. Battery chargers are a constant unforgiving loads to power.

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13 hours ago  · Yes, you can charge your RV batteries with a solar panel and a generator at the same time if you have multiple sources of power. You don’t need to disconnect one source to use the other. It is safe and efficient to run them both at the same time.

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