Can a Solar Panel Overcharge a Battery? (Saving Your Batteries With Solar Charge Controllers)

Contents: Can a Solar Panel Overcharge a Battery? Can You Overcharge a Battery With a Solar Panel? What Happens if You Overcharge a Solar Battery? How Do You Keep Solar Panels From Overcharging Batteries? Solar Charge Controller Solar Panel & Battery Voltage Compatibility What Happens to Your Solar Power System When Batteries Are Full? Can … Read more

What Size Solar System Do I Need To Go Off-Grid?

Contents: Sizing Solar System (Off-Grid) What Size Off-Grid Solar System Do I Need? How To Calculate What Size Solar System You Need for Off-Grid Living Daily Energy Needs How Big Should My Off-Grid Solar System Be? Off-Grid Backup Power Required Lithium vs Lead-Acid Batteries Solar Power Systems & Limitations Continuous Power Peak/Surge Power Sizing Your … Read more

How Many Tesla Powerwalls To Go Off-Grid? (A Look at Both the Powerwall 2 and Powerwall+ & How Many You’ll Need To Power a Whole House)

Contents: How Many Powerwalls Needed How Many Powerwalls To Get off the Grid? How To Calculate How Many Powerwalls You Need Home Energy Needs How Many Tesla Powerwalls Are Needed? Days of Autonomy (Off-Grid Backup Power) How Many Tesla Powerwalls Can Be Used Together? Powerwall & Power Limitations Conclusion: How Many Powerwalls Do You Need? … Read more

Can a Solar Generator Run a Refrigerator?

Contents: Solar Generator vs Fridge Can You Power a Refrigerator with a Solar Generator? What Size Solar Generator Do I Need To Run a Refrigerator? How Long Can a Solar Generator Power a Refrigerator? Can You Run a Refrigerator on Solar Power While Charging Your Solar Generator? What I Use 24/7: Fridge & Solar Generator … Read more

What Kind of Batteries Are in Tesla Powerwall 2 and Powerwall +?

Contents: Powerwall Battery Type What Is the Type of Battery in Powerwall (Quick Answer) What Are Lithium-Ion Batteries? What Are Nickel-Manganese-Cobalt (NMC) Batteries? What Are the Advantages of Using NMC Batteries? What Are the Disadvantages of Using Nickel-Manganese-Cobalt Batteries? Conclusion: Are NMC Lithium-Ion Batteries Good for Home Battery Systems? Tesla Powerwall: Battery Type (Quick Answer) … Read more

Do Solar Panels Attract Lightning?

Contents: Solar Panels vs Lightning The Myth of Lightning Attracted to Solar Panels Are Solar Panels More Likely To Be Struck by Lightning? What Happens if Lightning Strikes a Solar Panel? How Can You Protect Your Solar Panels From Lightning? Conclusion: Can Solar Panels Attract Lightning? The Myth of Lightning Attracted to Solar Panels Solar … Read more

How Do Solar Generators Work? (The Basics Converting Sunlight Into Electricity + Pros & Cons of Solar Generators)

Contents: How Solar-Powered Generators Work How Does a Solar Generator Operate? (The Basics) Is a Solar Generator Just a Battery? How Much Power Does a Solar Generator Generate? Can a Solar Generator Power a House? Can a Solar Generator Run a Refrigerator? What Are the Pros and Cons of a Solar Generator? Pros of Solar … Read more

Do I Need a Powerwall With Solar?

No. Technically you don’t need a Powerall with solar. You could have a solar system with just a deep cycle battery (check out my post if you’re interested in this topic: Solar Power for Beginners) or you could simply hook up solar panels to a portable power station (Amazon) if you’re just looking for a … Read more

Tesla’s Powerwall vs Powerwall Plus

In April 2021, Tesla’s Powerwall got a massive upgrade. Although both the original Powerwall and the Powerwall+ (Powerwall Plus) look very similar to each other on the outside, the architecture and the installation configuration have been completely switched around. Let’s first look at the Powerwall and what it’s capable of. And then we’ll look at … Read more

Can Tesla Powerwall Be Installed Inside?

Tesla’s Powerwall will actually work better indoors due to less extreme temperature fluctuations. (Many people install them in their garage.) Here are a few things you should consider when trying to find a spot to put your Powerwall. Powerwall vs Space The Powerwall (the battery) comes with a Gateway (the brains of the whole operation). … Read more

Can Tesla Powerwall Be Installed Outside?

Tesla’s Powerwall will work better indoors due to less extreme temperature fluctuations. That being said, the Powerwall can totally be installed outside and many people do just that. The Powerwall is said to work perfectly fine in temperatures of -4°F to 122°F (-20°C to 50°C). Here are a few things you should consider when trying … Read more

Does Tesla Powerwall Come With Solar Panels?

Powerwall is bundled with every Tesla solar purchase. BUT!.. Here’s the kicker! In May 2021, I was starting to hear people saying that you can’t buy Tesla’s Powerwall without buying their solar panels as well (which are either manufactured by Hanwha Solar or Electrek). At first, I couldn’t believe it because other solar panels clearly … Read more

Can You Use a Tesla Powerwall Without Solar Panels?

Yes. You can totally use Tesla’s Powerwall without solar panels. You can charge the Powerwall from the grid so that you have a backup for your house, just in case there’s a power outage. BUT!.. Here’s the kicker! In May 2021, I was starting to hear people saying that you can’t buy Tesla’s Powerwall without … Read more

Does Tesla Powerwall Work With SunPower Panels?

Yes. Tesla’s Powerwall works with GREAT with SunPower panels. BUT! Here’s the kicker! In May 2021, I was starting to hear people saying that you can’t buy Tesla’s Powerwall without buying their solar panels as well (which are either manufactured by Hanwha Solar or Electrek). At first, I couldn’t believe it because other solar panels … Read more

Can Tesla Powerwall Work With Other Solar Panels?

Yes. Tesla’s Powerwall works with other solar panels. BUT!.. Here’s the kicker! In May 2021, I was starting to hear people saying that you can’t buy Tesla’s Powerwall without buying their solar panels as well (which are either manufactured by Hanwha Solar or Electrek). At first, I couldn’t believe it because other solar panels clearly … Read more

Can Tesla Powerwall Be Installed in Garage?

A Tesla Powerwall can be safely installed in a garage and most people do just that. And the Powerwall is said to work perfectly fine in temperatures of -4°F to 122°F (-20°C to 50°C). Here are a few things you should consider when trying to find a spot to put your Powerwall. Powerwall vs Space … Read more

Does Tesla Powerwall Need Internet?

Yes. Tesla’s Powerwall requires an active Internet connection. More specifically, its the Gateway part of the Powerwall system that requires an Internet connection for it to work properly. Why? You’ll need Internet access to get software updates and get new product features. You’ll also need an Internet connection for the Tesla mobile app to work … Read more

Can a Tesla Powerwall Power a Home?

A Tesla Powerwall can absolutely power a home. But there are a few things you should know about before installing this home battery: Home Energy Requirements Understanding what your energy requirements are is the same thing you’d need to know if you were installing a solar power system. If you don’t have an energy monitoring … Read more

How Much Power Can a Tesla Powerwall Hold?

Each Powerwall has 13.5 kWh (kilowatt-hours) of storage capacity. 13.5 kWh may seem like a lot at first! However, on those hot summer nights, while you’re running your air-conditioner, it turns out that 13.5 kWh isn’t that much. The Powerwall most likely won’t power your house through the entire night since the average air conditioner … Read more

Will Tesla Powerwall Run an Air Conditioner?

The problem with running an air conditioner using a battery backup system is not the energy it takes to run your AC. The problem is the energy it takes to start the air conditioner (it requires an energy spike that’s higher than the normal operating energy current). So chances are that if you only have 1 Powerwall, … Read more

How Does Tesla’s Powerwall Work?

Table of Contents: Solar Power (Beginners) How Does the Tesla Powerwall Battery Work? Charging the Tesla Powerwall Battery About the Powerwall Battery Powerwall vs. Power Outages Monitor Your Powerwall System Powerwall’s Automatic Updates Save Money with Powerwall Powerwall+ Scaling Up Your Powerwall System How Does the Tesla Powerwall Battery Work? In a nutshell, Tesla’s Powerwall … Read more

How Does Tesla’s Powerwall Gateway Work?

So, you might be wondering what Tesla Powerwall Gateway is and how it works… in plain English. Here’s the simplest way of describing what the Gateway does. Typically, in most companies, the gateway is an ugly black box made of plastic or steel. Tesla’s Gateway is a contemporary-looking white panel made of glass. In this gateway … Read more

What Are the Best Solar Inverters?

I highly recommend micro-inverters over the classic type of inverter, especially if you have a big solar power system for your house. Here’s why… String Inverters for Solar Systems The inverter is considered by many solar power pros to be “the weak link” in a solar power system because a high percentage of inverters will … Read more

Are Micro-Inverters Better?

I highly recommend micro-inverters over the classic type of inverter, especially if you have a big solar power system for your house. Here’s why… String Inverters for Solar Systems The inverter is considered by many solar power pros to be “the weak link” in a solar power system because a high percentage of inverters will … Read more

What Are Micro-Inverters for Solar Panels?

There are really 4 main electrical components to a solar system: the battery, the solar panel, the solar charge controller, and the inverter. In a solar system, the battery has what we call a DC signal. We won’t go into the specifics of what a DC signal is right now (you can check out my … Read more

Are Solar Panels Worth It in 2022?

If you’re living where there’s no access to electricity, then it’s a no-brainer. Solar panels are great! (And if you’re living in a windy area, you might want to look at getting a wind turbine (Amazon) as well.) But what if you have easy access to electricity? Are solar panels still worth it? Do You … Read more

12 vs 24-Volt Solar System

Table of Contents: 12 and 24-Volt Solar Systems 12 or 24-Volt Solar System Cost of Copper Wires & Lugs Cost of the Solar Charge Controller Cost of Inverter Parallel vs Series Higher Efficiancy Solar Panel Array 12-Volt Appliances Charging With Your Vehicle’s Alternator Overview: 12 or 24-Volt Solar System 12 vs 24-Volt Solar System If … Read more

Can a Solar Panel Charge a Deep Cycle Battery?

Deep cycle batteries may look a lot like car batteries, but they’re quite different. Deep cycle means that the batteries have the ability to be fully charged and discharged. A deep cycle battery is very useful for situations where you need a continuous source of electricity to power things like lights, computers, and household appliances. But … Read more

What Is the Best Deep Cycle Battery for Solar?

Deep cycle batteries are great for solar charging because you can discharge and recharge them much more than a standard vehicle battery. When learning how to build your own off-grid solar system, you’ll often be recommended 1 of 2 types of deep cycle batteries: AGM sealed lead-acid batteries lithium batteries Both AGM and lithium batteries … Read more

Wiring in Parallel vs Series

While learning about solar panel systems, you’ll often hear the terms series and parallel when it comes to wiring batteries or solar panels together. Let’s look at both parallel and series connections separately. Parallel If you connect batteries or solar panels in parallel, it means that you connect all the positives together and all the … Read more