What Is Solar Battery Backup And How It Works
Gone are the days when homeowners relied on traditional fossil-fuel-based backup systems like gas-guzzling generators. With the advent of solar technology, people prefer solar generators to keep the lights on when power goes out. The solar battery backup in the generator stores clean, safe, and renewable energy generated by the solar panels.
When intense weather knocks the power off, the solar backup battery system supplies the stored electrical energy to power all small and large appliances, including refrigerators, lights, microwaves, etc. In this article, Jackery picks the five best solar backup systems that will meet your power needs and budget preferences.
Who Should Get a Solar Battery Backup?
In short, anyone looking to reduce their electricity bills, prepare themselves for power outages, or lower their carbon footprint should consider investing in a home battery backup solution. Some other reasons to invest in the solar power solution include the following:
Emergency Preparedness
Homeowners living in areas with frequent power outages, brownouts, or blackouts should consider investing in battery backup. As solar power stations use the sun’s energy to work, they can provide a constant and reliable electricity supply when the grid is down.
Lower Electricity Bills
Many homeowners are tired of high electricity bills, and switching to solar energy to power home appliances can help you save money by reducing energy costs. These solar power stations work in tandem with solar panels to convert and store electricity during the day and power appliances during the night.
Reduce Carbon Footprint
If you are concerned about the high carbon emissions and their negative impact on the environment, a solar battery backup solution is all you need. Unlike gas generators that use fossil fuels to work, solar solutions provide a clean and renewable energy source. Thus, it makes them environmentally friendly and helps you reduce your carbon footprint.
If you already use solar panels to produce electricity, investing in a solar power battery backup system will help you double its benefits. You can purchase a home battery backup without solar panels to produce the excess electricity generated. While solar power panels help you generate power during the day, portable power stations store it to charge appliances during the night.
Best Solar Battery Backups in 2025
Jackery is a renowned solar product manufacturing brand offering high-quality solar panels and portable power stations. Below we introduce the five best solar battery backups in 2025.
Best Solar Battery Backup For Most Use – Jackery Solar Generator 3000 Pro
Jackery Solar Generator 3000 Pro is one of the most powerful charging solutions that consist of Jackery Explorer 3000 Pro and 2*SolarSaga 200W Solar Panels. The battery capacity of 3024Wh can charge 99% of home or outdoor appliances, like microwaves, refrigerators, and even RVs, for long hours. In addition, it features an ultra-fast solar charging ability, ensuring you can power the solar battery in 3-4 hours.
Kindly note that the running times are just for your reference, and might vary from the actual values.
Best Features
- Nine temperature sensors and an independent air duct design for maximum safety.
- Advanced Interdigitated Back Contact technology for maximum light absorption.
- Resilient in cold temperatures up to - 20°C / - 4°F*.
Customer Review
“Used this during my last camping trip, and it is awesome! Powered my microwave, portable fridge/freezer, 2 heated blankets at night, and I still have plenty of battery left the next day. Didn’t have to worry about recharging as I brought my 2 Solar Saga 200s with me. Very happy with this unit. New App is awesome as well.” – Christian.
Best Solar Battery Backup For Home — Jackery Solar Generator 2000 Plus
The Jackery Solar Generator 2000 Plus is an expandable solar-powered generator that can charge 99% of household appliances, such as refrigerators, lights, TVs, laptops, mini-coolers, etc. The large battery capacity makes the solar generator ideal for off-grid living and powering appliances during extended blackouts. You can connect the solar generator to the home's electricity system with the Jackery Manual Transfer Switch to switch from on-grid power to battery backup in a few seconds.
Best Features
- Fast solar charging in just 2 hours.
- Operates at 30dB of noise, which is less than the refrigerator's hum.
- Easy to expand up to 24kWh with the help of the Jackery Battery Pack 2000 Plus.
Customer Review
“Plan is to use it at my home for emergency situations if/when power goes out - which is thankfully not typically very often. Have not had to use it during a power outage yet, but during a day of testing- it performed well running our kitchen refrigerator, home Wi-Fi, lamp and fan… plus separately an air fryer and coffee maker.” — Frederick R.
Best Solar Battery Backup For Work — Jackery Solar Generator 1000 Plus
The Jackery Solar Generator 1000 Plus is suitable for those who often work outdoors in remote locations. It features a foldable handle and compact design that makes transportation and storage easier. It can charge 99% of your work appliances, such as laptops, lights, lamps, computers, etc., for long hours. Whether you want to charge work appliances during power outages or when you are away in remote locations, the solar generator has your back.
Best Features
- Can be expanded from 1.2kWh to 5kWh with the help of the Jackery Battery Pack 1000 Plus.
- Supports charging of 99% of household or outdoor appliances.
- Can be charged in 2 hours via solar or 1.7 hours via AC outlet.
Customer Review
“I was so excited to get my solar generator. I love the design and ease of use. The solar panels are even more secure. When you have a family member on oxygen, knowing you have a power backup with solar power is so wonderful.” — Lisa Loyd.
Best Solar Battery Backup For Outdoor — Jackery Solar Generator 600 Plus
The Jackery Solar Generator 600 Plus can charge a variety of outdoor appliances, such as mini-freezers, lights, lamps, projectors, etc. With a weight of 16.1 lbs and a foldable handle, you can easily carry the power station anywhere you go and rest assured the power is always within reach. You can pair the solar generator with the highly efficient and bifacial Jackery SolarSaga 100W Solar Panels to ensure maximum sunlight absorption and electricity generation.
Best Features
- Falls under UL94-V0 highest-level shockproof and fireproof for enhanced durability.
- Features dual PD fast charging to charge mobile phones and laptops simultaneously.
- Charges most of the outdoor appliances for long hours.
Customer Review
“My new Jackery Explorer 600 Plus + SolarSaga 100 x 1 works great for setting up my telescope, cooled camera and laptop in remote dark sky locations. It provides all the power I need to get me through long night astrophotography sessions. The solar panels top off the Explorer during the day if I don't get back to an AC power source.” — Chris Moore.
Best Portable Solar Battery Backup — Jackery Solar Generator 300 Plus
If you often plan short hiking, camping, fishing, or backpacking trips and need a portable solar battery backup, you can consider going ahead with the Jackery Solar Generator 300 Plus. Featuring a foldable handle and a compact design, the solar generator is easy to move around wherever you go. You can even pair the portable power station with the book-sized Jackery SolarSaga 40W Solar Panels for generating solar power in remote locations.
Best Features
- The solar generator weighs only 11 lbs, which makes it easy to move around.
- Easy to set up and takes only 30 seconds.
- Features multiple output ports for fast charging of multiple devices.
Customer Review
“Great product, we have been camping in the west with no electricity for over two weeks and this solar generator has been great. Well worth the money.” — Mandolyn McConaha.
|
Series |
Capability (Wh) |
Input Ports |
Output Ports |
Solar Charging Time |
Weight |
|
Jackery Solar Generator 3000 Pro |
3024Wh |
AC Input: 120V, 60Hz, 15A Max DC Input: 2x DC 8mm Ports: 11-17.5V (Working Voltage)⎓8A Max, Double to 8A Max; 17.5-60V (Working Voltage)⎓12A, Double to 24A/1400W Max |
4x AC Output: 120V~ 60Hz 20A Max 1x AC Output: 120V~ 60Hz 25A Max 2x USB-C Output: 100W Max, 5V⎓3A, 9V⎓3A, 12V⎓3A, 15V⎓3A, 20V⎓5A 2x USB-A Output: Quick Charge 3.0, 18W Max, 5-6V⎓3A, 6-9V⎓2A, 9-12V⎓1.5A Car Port: 12V, 10A Max |
6* SolarSaga 200W Solar Panels: 3.5H |
63.93 lbs (29 kg) |
|
Jackery Solar Generator 2000 Plus |
2042.8Wh |
Charge mode AC input: 120V, 60Hz, 15A Max Bypass mode AC input/output: 120V, 60Hz, 12A Max DC Input: 11V-17.5V, 8A Max, Double to 8A Max 17.5V-60V, 12A Max, Double to 24A/1400W Max |
AC Output(×4) 120V~ 60Hz, 20A Max AC Output(×1)：120V~ 60Hz, 25A Max USB-A Output(x2): Quick Charge 3.0, 18W Max USB-C Output(x2): 100W Max, (5V, 9V, 12V, 15V, 20V up to 5A) Car Port(x1): 12V⎓10A |
6* SolarSaga 200W Solar Panels: 2H |
61.5 lbs(27.9 kg) |
|
Jackery Solar Generator 1000 Plus |
1264Wh |
AC Input: 100V-120V, 60Hz, 15A Max Charge mode AC input: 100V-120V, 60Hz, 15A Max Bypass mode AC input/output: 100V-120V, 60Hz, 15A Max DC Input: 12-60V, 8A ⎓ 11A Max, Double to 22A/800W Max |
AC Output(x3): 120V~60Hz, 2000W (4000W Peak) USB-A Output(x2): 18W Max, 5-5V⎓3A USB-C Output(x2): 100W Max, (5V, 9V, 12V, 15V, 20V up to 5A) Car Port(x1): 12V⎓10A |
4* SolarSaga 200W Solar Panels: 2H |
32lbs (14.5kg) |
|
Jackery Solar Generator 600 Plus
|
632Wh |
Charge mode AC input: 100V-120V~ 60Hz, 15A Max Bypass mode AC input/output: 100V-120V~ 60Hz, 12A Max DC Input: 11V-16V⎓8A Max; 16V-60V⎓10.5A/200W Max |
AC Output(x2): 120V~ 60Hz, 6.67A USB-A Output(x1): 18W Max, 5-6V⎓3A, 6-9V⎓2A, 9-12V⎓1.5A Car Port(x1): 12V⎓10A Max USB-C1 Output: 30W Max, 5V⎓3A, 9V⎓3A, 12V⎓2.5A, 15V⎓2A, 20V⎓1.5A USB-C2 Output: 100W Max, 5V⎓3A, 9V⎓3A, 12V⎓3A, 15V⎓3A, 20V⎓5A |
2* SolarSaga 100W Solar Panels: 4.3H
|
16.1 lbs (7.3 kg) |
|
Jackery Solar Generator 300 Plus
|
288Wh |
AC Input: 100V, 60Hz, 15A Max Charge mode AC input: 100V-120V~60Hz, 10A Max Bypass mode AC input/output: 100V-120V~60Hz, 300W Max DC Input: 12-27V⎓5A, Max， 100W Max |
AC Output(x1): 120V, 60Hz, 300W (600W Peak) USB-A Output(x1): 15W Max 5V⎓3A USB-C Output(x1): 15W Max 5V⎓3A USB-C Output(x2): 100W Max, 5V⎓3A (5V, 9V, 12V, 15V, 20V up to 5A) Car Port(x1): 12V⎓10A |
1* SolarSaga 40W Solar Panels: 9.5H |
8.27lbs (3.75kg) |
How To Choose The Best Solar Battery Backup?
Choosing the best solar battery backup system demands in-depth research and a basic understanding of the technology. In this section, we cover the crucial factors one needs to consider before choosing the best solar battery backup system for home or for outdoor trips.
Capacity
The capacity of a solar battery backup system refers to how much energy or power it can store. A solar system with high battery capacity can charge appliances for long hours before depletion. Jackery Solar Generators are available in different battery sizes and capacities. While Jackery Solar Generator 1000 Plus is suitable for essential appliances, Jackery Solar Generator 3000 Pro is capable of charging 99% of home appliances.
Battery Life
The battery’s lifespan depends on multiple factors, such as type, age, depth of discharge, and quality. Jackery Solar Generators are known for their long lifespan. Jackery Solar Generator 3000 Pro is the ultimate solar power solution estimated to have 70%+ capacity after 2000 cycles. That means the power station will perform its best until 2000 cycles, and then there will be a slight decline in performance.
Input/Output Ports
A solar power station with multiple input and output ports will ensure you can charge your appliances simultaneously. Therefore, while selecting the solar power station, analyze how many devices you wish to power at one time. Jackery Solar Generators feature numerous input and output ports, so you can simultaneously power different small and large devices.
Charging Options
If you want to reap the maximum benefits of a solar battery backup system, make sure it can be powered using multiple charging options. Jackery power stations, available in different sizes and capacities, can be charged in three ways: using Jackery SolarSaga Solar Panels, wall charging, and car charging methods. This ensures you never have to rely only on the electrical outlets to charge the power station during outdoor RV or camping trips.
Safety
While deciding on the best solar battery backup system for your home, double-check to ensure it is safe. Some safety measures you must consider are minimal operation noise, a fully upgraded Battery Management System (BMS), temperature sensors, etc. A solar battery backup system with these features can safely charge low-power or high-power-consuming devices.
Solar Charging Time
Hundreds, if not thousands, of solar generators and power stations are available on the market. However, not all of them are the same. While some can charge appliances faster, other power generators take longer to power the same-capacity device. Consider selecting a power station that can quickly and efficiently charge devices for maximum benefits.
Weight
Given that you will be carrying the power station in your home or on outdoor adventures, opting for a portable and lightweight design is vital. Jackery Solar Explorer Portable Power Stations have a lightweight design and foldable handle. Hence, you can carry them anywhere without worrying about the heavy lifting.
Price
Regardless of what you buy, you will need to prepare a budget beforehand and look for the product that fits it. Buying a solar battery backup system is no exception. However, it does not mean you should choose the cheapest solar generator available. Instead, look for a solar generator or a home battery backup without solar panels (if you already have panels) with qualities that justify their price range.
Easy to Use
Finally, you must check if it’s easy to use or requires technical knowledge. Jackery Solar Generators are far more convenient, easy to use, and straightforward than traditional generators. The simple press-and-play function ensures that anyone with zero technical knowledge can use it. They also have a pass-through charging feature allowing you to power devices while solar charging.
FAQs About Solar Generator For Off-Grid Living
1. How long do solar batteries last?
Solar batteries are a critical component of the entire solar system. It defines how well or for how long the solar generator or backup battery will last. Generally speaking, lithium-ion batteries last longer compared to lead-ion and are highly preferred. Jackery Solar Generators feature lithium-ion batteries built with industry-grade materials that enhance their lifespan.
2. How much is a solar battery backup?
The solar battery backup cost varies depending on size, capacity, quality, and battery life. Depending on the quality and size of the battery, you’ll have to pay anywhere from hundreds to thousands of dollars.
3. What are the advantages of using solar batteries?
The core aim of solar batteries is to let you store the excess electricity solar panels generate. These robust charging solutions can provide electricity for long hours, helping you to reduce reliance on the electricity grid. A few other benefits of a solar battery backup system include:
- With a battery, you can store power during the day and charge appliances when sunlight is unavailable.
- Harnessing the sun’s energy lets you reduce your electricity bills.
- As solar batteries use sunlight, it minimizes the use of fossil fuels and protects the environment.
4. How many batteries does it take to power a house with solar?
The number of batteries required to charge a home will depend on your energy requirements and the battery capacity. For instance, Jackery Explorer 3000 Pro Portable Power Station and a few Jackery SolarSaga 200W Solar Panels can help you efficiently power a home that requires 2000 watts or more. However, if your power requirements are around 4000 watts or more, consider investing in two or more Jackery Explorer 3000 Pro Portable Power Stations and solar panels.
5. Are solar batteries worth it?
Even though solar batteries require a high initial investment, they help you save money in the long run. Whether you’re living off-grid or want to power your home during power outages, having a solar battery and solar panels lets you power appliances using the free and renewable sun’s energy.
6. Can I add battery backup to my existing solar system?
Yes. If you have solar panels in your residential space, you can consider investing in a home battery backup without solar panels. This will help you charge appliances without worrying about whether sunlight is unavailable.
Conclusion
Solar battery backup systems are a must-have if you want to power appliances using solar energy during camping, off-grid living, power outages, etc. They are an invaluable addition to the solar system with an aim to help you store power for later use.
Jackery is the leading solar product manufacturer offering premium quality and first-rate lithium batteries to charge appliances. Jackery Explorer Portable Power Stations are built with BMS technology, pass-through charging features, and temperature sensors to offer a safe and reliable electricity supply.
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