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This section provides an overview for solar generators as well as their applications and principles. Also, please take a look at the list of 13 solar generator manufacturers and their company rankings. Here are the top-ranked solar generator companies as of March, 2025: 1.Renogy, 2.Custom Manufacturing & Engineering, Inc., 3.Jackery Inc..
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Categories Related to Solar Generators
A Solar Generator is a device that supplies electricity generated by solar panels.
Generally speaking, a solar generator is a product that combines a portable accumulator, solar panels, and a power conditioner.
As an emergency power source, demand for this product has been improving in recent years.
Solar Generators are used for camping and disaster situations. The solar panels generate electricity during the day while the stored power is used at night. Since they do not require a power grid, they are especially useful in emergencies.
Solar Generators can be broadly classified into two types: fixed and portable.
Examples of use are shown below.
A Solar Generator consists of a solar panel, a power accumulator, and a power conditioner. The solar panels convert sunlight into electricity, the converted electricity is stored in the accumulator, and then converted to a voltage that is easy to use with the power conditioner.
Solar panels are classified into two types: Silicon-Based and Compound-Based.
For Solar Generators, Amorphous Silicon and Polycrystalline Silicon solar panels are used.
Amorphous silicon is manufactured by placing a thin layer of amorphous silicon on a substrate such as glass. While its conversion efficiency is low, it is characterized by its light weight, productivity and versatility.
Compared to monocrystalline silicon and polycrystalline silicon, power generation conversion efficiency does not decline even at high temperatures.
Polycrystalline silicon is a low-cost version of solar panels made from silicon scraps generated during the production of monocrystalline silicon. While they generate less power than monocrystalline silicon, they can be manufactured at a lower cost.
Not only solar power generation, but also electric energy cannot be stored. Electricity transmitted from power companies is only generated in the required amount at that moment. The power company plans power generation while forecasting demand.
In Solar Generators, electricity is stored as chemical energy by means of storage batteries. Therefore, power is available even during power outages caused by natural disasters such as earthquakes and typhoons.
However, storage batteries are expensive, so the storage batteries in Solar Generators also account for a large proportion of their price. They also require temperature control, as their lifespan is affected by temperature. Solar Generators use lead-acid batteries or lithium-ion batteries.
The characteristics of each are described below.
Lead electrode plates are inserted into dilute sulfuric acid, the electrolyte. Lead dioxide is used for the positive electrode (anode) and lead for the negative electrode (cathode), and electricity is generated through a chemical reaction between the dilute sulfuric acid and the lead. In addition to Solar Generators, lead-acid batteries are also used in car batteries and uninterruptible power supplies.
Lead-acid batteries can be manufactured inexpensively, but they have the disadvantage of being heavy. They can be repeatedly charged and discharged, but their performance deteriorates when over-discharged.
A lithium-ion battery uses lithium transition metal oxide such as lithium cobaltate for the positive electrode, carbon materials such as graphite or graphite for the negative electrode, and organic solvents for the electrolyte. It charges and discharges when lithium ions move between the positive and negative electrodes.
In addition to Solar Generators, they are also used in smartphone batteries. While lithium-ion batteries are compact, lightweight, and resistant to deterioration, they are vulnerable to temperature changes and expensive.
Other types of batteries include nickel-metal hydride batteries and NAS storage batteries.
*Including some distributors, etc.
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Renogy, established in 2010 and based in California, USA, is a manufacturer and supplier of power solutions. The product portfolio includes a diverse range of solar panels, off-grid solar kits, charge controllers, IoT monitoring, inverters, battery chargers, renogy gears, and other accessories. The products are used in many industries which include home appliances, laptops and computers, mobile devices, electronics, and lighting. The company also offers eco-friendly power solutions with research and development processes.
Jackery, established in 2012 and based in California, USA, is a manufacturer and supplier of portable power solutions. The product portfolio includes solar generators, portable power stations, solar panels, refurbished products, and other accessories. The company offers 295 patent products which have won 40 renowned international awards with referral programs and memberships. The products are used in the automotive, transport, electric, and energy sectors. The products are used in various applications such as outdoor camps to harness and power up devices.
Custom Manufacturing & Engineering, also known as CME, is located in Pinellas Park, Florida. The company services aerospace, transportation, heavy equipment, and industrial electronics industries and is AS9100D with ISO 9001:2015 certified. The company's products include custom cable assemblies, electrical power, power distribution, electronic assemblies and more. The company offers services including engineering, manufacturing, calibration & maintenance, and integration and testing. The company's customer service flow begins with needs assessment, continues with initial customer solutions, then product realization, and continues with delivery and service.
Generac Power Systems, Inc. is a manufacturer and supplier of power generation and energy technologies used in residential, commercial, and industrial applications headquartered in Waukesha, Wisconsin, USA, and established in 1959. They offer homeowners home backup power, portable generators, pressure Washers Generac chore, and parts & accessories. Their industrial generators, mobile generators, light towers, heaters, and pumps are used in various businesses including data centers, healthcare, telecommunications, education, and manufacturing setups. The parts & accessories portfolio consists of digital propane tanks, fuel level monitors, and remote monitoring.
Maxoak Corporation, established in 2016 and based in Shenzhen, China, is a manufacturer and supplier of power solutions. The product portfolio includes power stations, solar panels, power banks, bundles, refurbished goods, chargers, and other accessories. The company products are eco-friendly with sustainable living and energy-efficient solutions. The products are used in various applications such as camps, van life, exploration, road trips, and adventures. The products are used in various industries which include power generators, and electronics.
Westinghouse Electric Corporation, founded in Central Bridge, New York, in 1846 is a manufacturer of generators and power solutions. The company's product portfolio includes Industrial Power Systems, Renewable Energy Solutions, pressure washers, lawn and garden tools and dual fuel generators. The company serves industries such as Oil and Gas, Aerospace and Defense, Automotive and Transportation, Construction, and Power Generation. The company also provides services including national distribution, product selection, customized services, technical support and customer service.
Oukitel, established in 2019, and based in Philadelphia, USA, is a manufacturer and supplier of power solutions. The product portfolio includes a diverse range of portable power stations and power backup devices, solar generators, and solar panels with eco-friendly solutions. The products are used in various industries which include machinery, power usage and generation, lighting, and electronics. The company offers certified quality products that comply with policy, safety standards, and environmental requirements.
EcoFlow US established in 2007, and based in California, USA, is a manufacturer and supplier of portable power stations. The product portfolio includes a diverse range of portable power stations, power generation solutions, solar systems, and smart home energy solutions. The company also offers power solutions with technology-driven, eco-friendly energy solutions, customer services, and technical support. The products are used in various industries which include machinery, power usage and generation, lighting, and electronics.
70mai Co. Ltd, established in 2016, and based in Shanghai, China, is a manufacturer and supplier of dash cams and power stations. The product portfolio includes a wide variety of dashboard cameras and power stations with robust internal structure, full automation, and environmental sustainability. The products are used in various applications which include battery products, jump starters, and electric bikes. The company also offers environmentally friendly green customized solutions with low-carbon lifestyle and energy support for renewable energy solutions.
GROWATT established in 2011 and based in California, USA, is a manufacturer and supplier of power energy solutions. The product portfolio of the company includes a diverse range of portable power stations, solar generators, solar panels PV inverters, energy storage products, EV chargers, and smart energy management systems. The company also offers eco-friendly alternatives, high-energy, sustainable and innovative power solutions. The products are used in multiple industries which includes automotive, aerospace, machinery and electronics.
Shenzhen Kweight Development Co. Ltd., established in 2004 and based in Yangquan, China, is a manufacturer of lead-acid batteries, including gel, deep cycle, and solar batteries. In 2007, the company was registered in the EU, and in 2010, it was designated as the DC power supply system supplier for the Singapore Youth Olympic Games. Its products comply with CE, RoHS, and UL, and the company is ISO 9001 certified. It has an annual production capacity of 280 million Vah, and exports over 90% of its products to over 100,000 customers.
Ranking as of March 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Renogy |
16.2%
|
| 2 | Custom Manufacturing & Engineering, Inc. |
15.0%
|
| 3 | Jackery Inc. |
11.3%
|
| 4 | Generac Power Systems, Inc. |
9.2%
|
| 5 | oukitel |
8.5%
|
| 6 | EcoFlow US |
8.1%
|
| 7 | Westinghouse Electric Corporation |
6.9%
|
| 8 | GROWATT |
6.9%
|
| 9 | Maxoak Corporation |
6.4%
|
| 10 | Fantasia Trading LLC |
4.6%
|
Derivation Method
The ranking is calculated based on the click share within the solar generator page as of March 2025. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
4 | 66.7% |
|
China
|
1 | 16.7% |
|
Japan
|
1 | 16.7% |
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