top banner
Blog Center
Solar Kettle vs. Solar Generator: How to Choose in Life?

Solar Kettle vs. Solar Generator: How to Choose in Life?

In today's eco-conscious world, harnessing the power of the sun has become a popular choice for energy needs. When it comes to heating water for your daily cup of tea or coffee, solar-powered solutions like solar kettles and solar generators offer efficient and sustainable alternatives. But which one should you choose? In this article, we will compare solar kettles and solar generators to help you make an informed decision.

What is A Solar Kettle?

A solar kettle is an eco-friendly and cost-effective water heating solution, enabling you to use the power of the sun and enjoy the convenience of boiling water with a kettle. It’s easy and safe to use, making it an excellent choice for outdoor enthusiasts, campers, and individuals seeking an environmentally friendly and cost-effective way to boil water.

How Does It Work?

A solar kettle is a remarkable device resembling a thermos, utilizing special thermal technology to heat water without any additional power input. By harnessing sunlight, it converts solar energy into heat, creating a convenient method for boiling water. This innovative design incorporates two exterior reflectors to maximize solar power absorption, while a built-in stand aligns the kettle for optimal positioning towards the sun. The kettle also features a thermometer for temperature control and user convenience.

Pros and Cons


  1. Cost-effective: With zero fuel cost, a solar-powered kettle offers significant savings over traditional methods.
  2. Temperature maintenance: The kettle not only heats water but also keeps it at the desired temperature.
  3. Portability: Its small, lightweight, and portable design allows for easy transportation, making it suitable for various outdoor activities.
  4. Low maintenance: The simplicity of the solar kettle means minimal upkeep is required.


  1. Weather dependency: While the solar kettle excels on sunny days, its efficiency may be reduced during cloudy, foggy, or rainy weather conditions.
  2. Longer heating time: Compared to conventional kettles, solar-powered kettles may take longer to heat water due to reliance on solar energy.
  3. Limited functionality: It should be noted that a solar kettle is only designed specifically for heating water.

What is Solar Generator for Kettle?

A solar generator for a kettle is a portable power system that utilizes solar energy to provide electricity for operating an electric kettle. It typically consists of solar panels, a battery, an inverter, and necessary electrical connections.

How Does It Work?

The solar panels capture sunlight and convert it into electrical energy, which is then stored in the battery for later use. When the kettle is connected to the solar generator, the inverter converts the stored DC (direct current) energy into AC (alternating current) power, enabling the kettle to heat water or perform other electrical functions.

Pros and Cons


  1. Cost-effective: With no fuel consumption, a solar generator proves to be a cost-effective alternative for energy needs.
  2. Multiple device compatibility: The presence of multiple ports allows for the simultaneous powering of various devices.
  3. Energy storage capability: Equipped with a battery setup, a solar generator enables the storage of solar energy for nighttime usage.
  4. Low maintenance: Solar generators require minimal maintenance, ensuring hassle-free operation.


  1. Space requirement: Compared to a simple solar kettle, solar generators tend to occupy more space due to their additional components and power capabilities.
  2. More expensive: Solar generators require higher upfront investment even though they may provide better long-term benefits.
  3. Limited portability: Solar generators are bulkier than solar kettles and hence harder to carry around.

Solar Kettle VS. Solar Generator for Kettle: Which One to Choose?

When deciding between a solar kettle and a solar generator for kettle use, there are a few factors to consider:

  1. Power Output: Evaluate the wattage requirements of your kettle and determine if a solar kettle can meet your heating needs or if a solar generator with higher power output is necessary.
  2. Versatility: If you anticipate using other devices or appliances simultaneously, a solar generator offers the advantage of providing power for multiple devices.
  3. Portability: If you prioritize lightweight and compact design for travel purposes, a solar kettle may be more suitable, as it is specifically designed for mobility.
  4. Budget: Solar generators typically have a higher upfront cost due to their additional features and power capabilities. Consider your budget and the long-term benefits of each option.

How Many Watts Does A Kettle Use?

The power consumption of a kettle can vary depending on its size and efficiency. On average, an electric kettle typically uses around 1000 to 3000 watts of power when heating water. However, it's worth noting that the wattage can vary between different kettle models. 

When using the kettle with a solar generator, it's important to consider the power requirements of your kettle to ensure that the generator can handle the load and provide sufficient power for the kettle to function properly.

How Much Solar Power Does A Kettle Need?

The amount of solar power a kettle needs depends on its wattage and the duration of its usage. To determine the solar power required, you can follow these steps:

  1. Determine the kettle's wattage: Check the specifications or label on the kettle to find its wattage. Let's assume it is 1500 watts.
  2. Estimate the kettle's usage time: Decide how long you intend to use the kettle in hours. For example, if you plan to use it for 1 hour.
  3. Calculate the energy requirement: Multiply the kettle's wattage by the duration of usage. Using our example, 1500 watts x 1 hour = 1500 watt-hours (Wh).
  4. Consider solar panel efficiency: Solar panels operate at different efficiencies, typically ranging from 15% to 25%. To determine the solar power needed, divide the energy requirement by the solar panel efficiency. For example, if the solar panel efficiency is 20%, 1500 Wh/0.20 = 7500 watt-hours (Wh) of solar power.

It's important to note that these calculations provide an estimate, and additional factors like weather conditions, solar panel orientation, and battery storage should be considered for a reliable power supply to the kettle.

Top Anker Solar Generators to Power Kettles

Now we have known how much watts and solar energy a kettle need to boil water, it's time to choose a suitable solar generator to meet your need. Here we recommend two best Anker solar generators.

  1. Anker Solar Generator 757

The Anker Solar Generator 757, with its ultra-powerful capacity of 1229Wh and wattage of 1500W, is well-suited for powering solar kettles and many more devices efficiently. In addition, it offers three 100W solar panels with an impressive conversion efficiency of up to 23%, ensuring that your solar generator gets charged quickly and you can enjoy the convenience of using your solar kettle and other electronic devices and appliances wherever your adventures take you.

  1. Anker Solar Generator 767

The Anker Solar Generator 767 has a capacity of 2048Wh and provides up to 2400W to power solar kettles and other devices efficiently. With multiple AC ports, RV ports, USB-C and USB-A ports, and car outlets, you can power up to 12 devices simultaneously. Additionally, the LiFePO4 batteries, a smart temperature control system combined with other advanced technologies ensure reliable and sustained power for your solar kettle and other devices whether you're camping, on an outdoor adventure, or facing a power outage.

Conclusion: Which One to Choose?

Both solar kettles and solar generators offer unique advantages for heating water using solar power. While solar kettles are convenient and specialized for on-the-go use, solar generators provide a broader range of power options and versatility. Consider your specific needs, power requirements, and budget when making a decision. Whether you opt for a solar kettle or a solar generator, harnessing the sun's energy for your kettle usage is a sustainable and environmentally friendly choice that can enhance your outdoor adventures or reduce your carbon footprint at home.


What size of solar generator is needed to power a Kettle?

It depends on the wattage of the kettle itself which is usually between 1000W and 3000W. To power a kettle, we need a solar generator that can provide at least 1000 W of continuous power. It's recommended to have some additional capacity to account for variations in sunlight and to power other devices simultaneously if needed.

How many solar panels are needed to power a kettle?

The quantity of solar panels required to power a kettle relies on various factors such as the kettle's wattage, the wattage rating of the solar panels, and more. To calculate the number of solar panels needed, you can divide the wattage of your kettle by the wattage output of a single solar panel. This calculation will provide an estimate of the number of panels required to meet your kettle's power requirements.

Keep in mind that the efficiency of solar panels can vary based on factors such as sunlight conditions and panel orientation. So it's recommended to have some extra panels to account for variations in sunlight.

Featured Articles

Be the First to Know

We use cookies to ensure you get the best experience on our website and to assist with our marketing efforts. By continuing to browse, you agree to our use of cookies and our sharing of information about your interactions on our site with our social media, advertising, and analytics partners.