Solar-powered backup generators provide a clean, silent, and renewable energy source for emergency power, camping, or off-grid living. The best models combine high capacity with portability and fast charging times, but tradeoffs often include cost, size, and expandability. The Jackery Explorer 2000 v2 stands out as the best overall for its balance of power and portability, while the EF ECOFLOW Delta Pro offers premium capacity for large-scale needs. However, higher capacity units tend to be bulkier and more expensive, making them less ideal for casual users. Keep reading to see how these options stack up and find the best fit for your needs.
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Key Takeaways
- The top picks balance capacity, portability, and charging speed, with no single solution excelling in all areas.
- Expandable and modular designs are increasingly valuable for future-proofing and customization.
- Price often correlates with capacity and features; premium models deliver more power but at a higher cost.
- Size and weight are critical for portability, especially for outdoor or emergency use scenarios.
- Fast charging capabilities can significantly reduce downtime, especially during prolonged outages or travel.
| solar-powered backup generator | Capacity | Weight | Battery Type |
|---|---|---|---|
| MARBERO 237Wh Portable Solar G | — | — | — |
| Jackery Explorer 2000 v2 Porta | 2042Wh | 39.5 lbs | — |
| Jackery HomePower 3600 Plus Po | 3584Wh, expandable to 21kWh | Lightweight, 34% smaller and 29.3% lighter than comparable models | — |
| BLAVOR Portable Power Station | — | — | LiFePO4 |
| Jackery Solar Generator 1000 V | 1070Wh | 23.8 lbs | LiFePO4 |
| EF ECOFLOW Portable Power Stat | — | — | LiFePO4 |
| Jackery Portable Power Station | 292Wh | 7.5 lbs | — |
| Jackery HomePower 3000 Portabl | 3072Wh | — | LiFePO4 |
| EcoFlow DELTA 2 Portable Power | 1024Wh | — | LiFePO4 |
| Jackery Explorer 1000 v2 Porta | 1070Wh | 23.8 lbs | LiFePO4 |
| Jackery Solar Generator 300 | 292Wh | 7.5 lbs | — |
More Details on Our Top Picks
MARBERO 237Wh Portable Solar Generator with Foldable 60W Solar Panel – 300W Pure Sine Wave Power Station for Camping and Outdoor Use
This compact option shines for outdoor enthusiasts needing quick, reliable device charging without heavy gear. Compared to the Jackery Explorer 2000 v2, it offers less capacity but is far more portable and easier to carry to remote campsites. Its 237Wh battery and 300W peak power suit small devices and emergency lights, but it isn’t designed for high-power appliances or prolonged use. The foldable 60W solar panel enhances its off-grid appeal, though solar performance is dependent on sunlight conditions, limiting its effectiveness in cloudy weather. The built-in LED flashlight and multiple ports make it versatile for outdoor use, but runtime will fall short for larger gadgets or continuous power needs.
Pros:- Extremely portable and lightweight for outdoor use
- Multiple charging options including solar, USB, and AC
- Foldable solar panel with efficient conversion rate
Cons:- Limited to devices under 300W; not suitable for larger appliances
- Short runtime for extended device use or continuous power demands
Best for: Campers and outdoor adventurers needing a lightweight, portable backup for small devices and emergency lighting
Not ideal for: Home users or those needing to power high-wattage appliances during outages, due to limited capacity and power output
- Battery Capacity:237Wh / 64000mAh
- Output Power:300W (375W peak)
- AC Outlets:2 (Pure Sine Wave)
- USB Ports:4 (including USB-C and QC3.0)
- Solar Panel Power:60W
- Conversion Rate:21.5-23.5%
Our verdict“This pick makes the most sense for outdoor enthusiasts seeking quick, portable device charging with minimal weight.”
Jackery Explorer 2000 v2 Portable Power Station, 2042Wh LiFePO4 Battery, 2200W Solar Generator, USB-C PD 100W Fast Charging
This model stands out for its large 2042Wh capacity and 2200W power output, making it suitable for home backup or extended outdoor use. Compared with the smaller MARBERO, it can run high-wattage appliances and provide longer power during outages, but at 39.5 lbs, it’s heavier and less compact for frequent transport. Its fast charging and lithium iron phosphate (LiFePO4) battery ensure durability and a long lifespan—up to 10 years. However, it’s not designed for quick portability, and its weight may be a barrier for some users. The device’s ability to seamlessly power multiple home appliances makes it a capable backup, but its size and cost could be limiting factors for casual users.
Pros:- Massive 2042Wh capacity for extended power supply
- High 2200W continuous output supports most household appliances
- Long-lasting LiFePO4 battery with up to 10-year lifespan
Cons:- Heavy and less portable for frequent outdoor use
- Higher upfront cost compared to smaller units
Best for: Homeowners seeking reliable, high-capacity backup power for critical appliances and prolonged outages
Not ideal for: Campers or outdoor users needing lightweight, portable solutions, as this unit is relatively heavy
- Capacity:2042Wh
- Output Power:2200W
- AC Ports:3
- USB-C PD:100W
- Weight:39.5 lbs
- Charging Time (AC Fast):66 minutes
Our verdict“This is ideal for homeowners prioritizing backup capacity and durability over portability.”
Jackery HomePower 3600 Plus Portable Power Station, 3600W AC Output, 3584Wh LFP Solar Generator, Expandable up to 21kWh, Home Backup, RV
This unit offers substantial power with 3600W AC output and 3584Wh capacity, designed for serious home backup or RV use. It surpasses smaller options like the Jackery Explorer 2000 v2 in capacity and power, and its expandability to 21kWh makes it suitable for extensive power needs. Its lightweight design with wheels and a telescopic handle addresses portability, but the higher initial cost and need for space for expansion units are considerations. While it provides reliable, safe power, the complexity of setup and expense may deter casual users or those with limited space. Its high surge capacity and expandability make it a versatile choice for demanding outdoor or emergency scenarios.
Pros:- High power output capable of running large appliances
- Expandable capacity up to 21kWh for extended use
- Portable with wheels and telescopic handle for easier movement
Cons:- Higher purchase price and complexity for basic needs
- Requires dedicated space for expansion units
Best for: Homeowners or RV travelers needing large, expandable, and reliable backup power
Not ideal for: Individuals seeking a compact or budget-friendly solution, due to size and cost
- Power Output:3600W (7200W in parallel)
- Capacity:3584Wh, expandable to 21kWh
- Voltage:120V & 240V in parallel
- Cycle Life:6,000 cycles
- Lifespan:10 years
- Weight:Lightweight, 34% smaller and 29.3% lighter than comparable models
Our verdict“This is best suited for those who need substantial, expandable power for home or RV backup and can accommodate its size and cost.”
BLAVOR Portable Power Station 1600W with Built-in Solar Panel and 1024Wh LiFePO4 Battery
This model combines a built-in 40W solar panel with a robust 1024Wh LiFePO4 battery, making it a strong choice for sustainable outdoor power. It offers a rated 1600W output, enough to power most camping appliances and small household devices, and its long battery life with over 3500 cycles adds value over time. Compared with Jackery’s smaller models, its larger capacity and solar integration make it more suitable for prolonged outdoor use or backup. However, the weight isn’t specified, which could be a concern for portability. Its multiple charging methods and fast USB-C port make it versatile, but external solar panels are required for faster recharge, adding complexity and cost.
Pros:- Built-in 40W solar panel for renewable charging
- Long lifespan with over 3500 cycles
- Powerful output suitable for most appliances
Cons:- Weight and dimensions not specified, potentially heavy
- Requires external solar panels for faster recharge
Best for: Outdoor users and eco-conscious consumers seeking renewable, long-lasting power solutions
Not ideal for: Those prioritizing ultra-lightweight gear or needing rapid recharging without external panels
- Power Output:1600W (peak 3200W)
- Battery Capacity:1024Wh
- Battery Type:LiFePO4
- Solar Panel:40W built-in
- Charge Cycles:Over 3500
- Display:LCD showing input/output power and battery level
Our verdict“This is ideal for those who want a durable, eco-friendly power station with long-term cost savings.”
Jackery Solar Generator 1000 V2 with 200W Solar Panel, 1070Wh Portable Power Station with LiFePO4 Battery, 1500W AC/100W USB-C Output, Fast 1-Hour Charging for Outdoor, Off-Grid Living, RV, Emergency
This model balances portability with solid power output, making it an attractive choice for outdoor adventures or emergency prep. Its 1070Wh capacity and 1500W AC support most small to medium appliances. Compared with the MARBERO, it offers significantly more capacity and faster, 1-hour charging, but is heavier at 23.8 lbs. The multiple ports, including fast USB-C, extend its versatility for a variety of devices. While the solar panel is sold separately, its ability to be charged quickly in emergencies makes it appealing for those who need reliable, on-the-go power without sacrificing mobility. Its size and weight are a tradeoff for the increased capacity and speed.
Pros:- Powerful 1500W AC output supports most portable appliances
- Fast 1-hour recharge capability
- Lightweight and portable with versatile ports
Cons:- Solar panel sold separately, increasing total cost
- Weight may be a concern for those seeking ultra-light gear
Best for: Outdoor enthusiasts and emergency preppers needing quick, portable power with fast recharge times
Not ideal for: Users seeking a lightweight, budget option for occasional use, as it is slightly heavier and more expensive
- Capacity:1070Wh
- AC Output:1500W
- Surge Peak:3000W
- Battery Type:LiFePO4
- Weight:23.8 lbs
- Charging Time:1 hour (fast charge)
Our verdict“This makes a strong case for outdoor users who want fast, reliable power without sacrificing portability.”
EF ECOFLOW Portable Power Station 3600Wh DELTA Pro with 120V AC Outlets and Fast Charging
The EF ECOFLOW DELTA Pro stands out as the most capable option for those needing serious backup power, thanks to its massive 3600Wh capacity and ability to expand up to 25kWh with extra batteries. Its fast recharge time of under 3 hours using multiple methods means you won’t be left waiting, while the array of output ports supports powering a variety of devices simultaneously. Compared with smaller units like the Jackery Explorer 300, it offers much more power and flexibility, though its high cost and weight make it less suitable for frequent portability. This makes it ideal for home backup, large outdoor projects, or RV use where capacity and power are paramount. However, its bulk and price tag could deter casual users or those with limited space.
Pros:- Massive 3600Wh capacity ideal for full-home backup
- Fast recharge in under 3 hours with multiple charging options
- Expandable capacity up to 25kWh for future growth
- Multiple output ports for diverse device needs
Cons:- High initial purchase price
- Heavy and bulky design reduces portability
- Requires additional batteries or solar panels for full expansion
Best for: Homeowners or RV enthusiasts needing reliable, expandable backup power for large appliances and multiple devices
Not ideal for: Minimalists or casual campers who prioritize portability and low upfront costs
- Battery Capacity:3600Wh
- Battery Type:LiFePO4
- AC Outlets:5
- Maximum Output:4500W with X-Boost
- Recharge Time:2.7 hours
- Input Methods:Solar, wall outlets, EV station, car outlet, outdoor generator
- Output Ports:2 USB-A, 2 USB-A Fast Charge, 2 USB-C (100W), 2 DC Outlets, 1 Car Power, 1 Anderson port
- Expansion Capacity:Up to 25kWh
Our verdict“This is the best choice for users who need high capacity, rapid charging, and future expandability despite its size and cost.”
Jackery Portable Power Station Explorer 300
The Jackery Explorer 300 offers a compact, lightweight design, making it a top choice for outdoor enthusiasts and travelers who need reliable power on the go. Its 292Wh capacity is modest compared to larger models like the Jackery HomePower 3000, but it excels in portability with only 7.5 pounds and an integrated handle. It features multiple outlets, including a fast-charging USB-C port, and boasts over 4,000 charge cycles, promising durability over time. While it lacks a solar panel included in the package, its quick solar charging ability makes it suitable for short trips or emergency kits. The limited capacity means it’s not suited for powering larger appliances or extended outages, but its ease of use and weight make it ideal for camping, small devices, or quick emergencies.
Pros:- Lightweight and portable at just 7.5 pounds
- Over 4,000 charge cycles for durability
- Multiple charging options including AC, USB, and car port
- Fast solar charging capability
Cons:- Limited capacity of 292Wh restricts device use
- Solar panel not included, requiring separate purchase
- Not suitable for large or high-power appliances
Best for: Campers or travelers needing a lightweight, portable power source for small devices and short-term use
Not ideal for: Users seeking to power larger appliances or needing long-duration backup during extended outages
- Weight:7.5 lbs
- Capacity:292Wh
- Battery Chemistry:LiFePO4
- AC Outlets:2
- USB-C PD Port:100W
- Charge Cycles:over 4,000
Our verdict“This pick is perfect for portable, short-term power needs where weight and convenience matter most.”
Jackery HomePower 3000 Portable Power Station with 2x 200W Solar Panels
The Jackery HomePower 3000 combines a substantial 3072Wh capacity with an impressive 3600W continuous output, making it well-suited for home backup, RVs, and off-grid living. Its quick recharge in under 2 hours via AC/DC and the ability to recharge with solar panels provides flexible energy solutions, similar to the ECOFLOW DELTA Pro but at a more affordable price point. While the solar panels are sold separately, this model’s long cycle life of 4,000 cycles ensures durability over time. It’s a robust choice for those who want reliable, high-capacity power without the bulk of larger systems. The main tradeoff is its weight and the need for external solar panels, which adds to the overall setup cost and complexity.
Pros:- High capacity of 3072Wh for extensive backup needs
- Fast recharge in under 2 hours via AC/DC
- Supports solar input, offering eco-friendly recharging
- Long-lasting LiFePO4 batteries with 4,000 cycles
Cons:- Solar panels sold separately, increasing initial setup cost
- Heavier and less portable compared to smaller units
- Requires additional accessories for solar charging
Best for: Homeowners or RV travelers requiring dependable, high-capacity backup power with quick recharging options
Not ideal for: Users who prioritize portability or are unwilling to manage separate solar panel purchases
- Capacity:3072Wh
- Surge Power:7200W
- Continuous Power:3600W
- Recharge Time:1.7 hours
- Battery Type:LiFePO4
- Cycle Life:4,000 cycles
Our verdict“This generator is ideal for users seeking a powerful, reliable home backup with quick recharge and expandable solar options despite added complexity.”
EcoFlow DELTA 2 Portable Power Station, 1024Wh LiFePO4 Battery, 1800W AC/100W USB-C, Solar Generator for Home, Camping & RVs
The EcoFlow DELTA 2 offers a balanced mix of capacity and portability, with 1024Wh and an 1800W AC output that suits a variety of backup and outdoor needs. Its rapid charging—up to 7x faster than traditional models—makes it convenient for short trips or emergency scenarios. While it doesn’t match the raw power of the ECOFLOW DELTA Pro or Jackery HomePower 3000, its expandable capacity up to 3kWh allows for future growth, and the lithium iron phosphate chemistry enhances durability. Compared to the Explorer 300, it provides a much higher power output, making it more versatile for home and RV use. On the downside, its weight and size can be cumbersome for frequent transport, and the price reflects its advanced features.
Pros:- Fast charging from 0-80% in just 50 minutes
- Expandable capacity up to 3kWh
- High power output suitable for most appliances
- Supports solar input for eco-friendly recharging
Cons:- Relatively heavy and bulky for its capacity
- Higher price point compared to similar capacity units
- Limited base capacity without expansion
Best for: Eco-conscious users needing reliable backup power for camping, small appliances, and emergency use with some room for expansion
Not ideal for: Those requiring very high capacity or full-home backup power in a portable form factor
- Wattage:1800 watts
- Capacity:1024Wh
- Battery Type:LiFePO4
- Output Wattage:1800 Watts
- Charge Time:50 minutes to 80%
- Expandable Capacity:Up to 3kWh
Our verdict“This is a solid choice for users who want a portable, expandable, eco-friendly power station for moderate backup and outdoor needs.”
Jackery Explorer 1000 v2 Portable Power Station, 1070Wh LiFePO4 Battery, 1500W AC/100W USB-C Output, Fast 1-Hour Charging, Solar Generator for Camping, Emergency, RV, Off-Grid Living
The Jackery Explorer 1000 v2 excels as a versatile, portable power station with a 1070Wh capacity, suited for users who need reliable power for multiple devices on the go. Its rapid 1-hour charging distinguishes it from larger, slower units like the Jackery HomePower 3000, while its multiple ports, including a 100W USB-C, support a range of device types. Weighing just 23.8 pounds with a foldable handle, it balances power and portability effectively. However, it’s less suitable for large appliances or prolonged outages, and the solar panel must be purchased separately, adding to the overall expense. This unit is perfect for camping, emergency preparedness, or small off-grid projects requiring quick, dependable power.
Pros:- High capacity of 1070Wh in a portable form factor
- Fast 1-hour recharge with advanced charging tech
- Multiple ports including USB-C, USB-A, and AC outlets
- Lightweight and easy to carry
Cons:- Solar panel not included, requiring additional purchase
- Limited capacity for powering large or high-wattage appliances
- Higher cost compared to less feature-rich competitors
Best for: Travelers and campers needing a compact, fast-charging power station with multiple device compatibility
Not ideal for: Users seeking high-capacity, long-duration backup for home appliances or large loads
- Capacity:1070Wh
- Battery Type:LiFePO4
- AC Output:1500W
- USB-C Output:100W
- Weight:23.8 lbs
- Charge Time:1 hour
Our verdict“This unit is ideal for users who need reliable, fast-charging portable power for diverse devices without excessive bulk or weight.”
Jackery Solar Generator 300, 292Wh Portable Power Station with 40W Solar Panel for Camping and Outdoors
The Jackery Explorer 300 stands out for its exceptional portability, weighing only 7.5 lbs, making it easier to carry than larger models like the Jackery Explorer 2000 v2. It offers multiple outlets, including AC, USB-C, USB-A, and a car port, providing versatile device compatibility. The long-lasting LiFePO4 battery ensures over 4,000 charge cycles, making it reliable for repeated outdoor use. Its fast solar charging—about 2.8 hours with a 100W panel—means quick replenishment in the field. Compared with the Jackery Explorer 1000 v2, this unit is better suited for short trips or emergency kits, but the 300W rated output limits its ability to power high-wattage appliances or multiple devices simultaneously. The need to purchase solar panels separately adds to initial costs. Overall, this model makes the most sense for those prioritizing portability and ease of use over extended power capacity or high output.
Pros:- Extremely lightweight and portable for outdoor adventures
- Multiple versatile outlets for different devices
- Long battery lifespan with over 4,000 charge cycles
- Fast solar charging in under 3 hours with a 100W panel
Cons:- Requires separate purchase of solar panels, increasing overall cost
- Limited to 300W maximum output, not suitable for high-power appliances
- Battery capacity may be insufficient for extended outages or multiple device charging
Best for: Campers, hikers, or outdoor enthusiasts needing a lightweight, easy-to-carry backup for small devices
Not ideal for: Homeowners or campers with high power demands who require longer runtimes or to power larger appliances
- Capacity:292Wh
- Weight:7.5 lbs
- AC Outlets:2
- USB-C Port:100W PD
- USB-A Ports:2
- Car Port:120W
- Charge Cycles:over 4,000
- Charging Time with 100W Solar Panel:approximately 2.8 hours
- Charging Time with 40W Solar Panel:about 7.5 hours
Our verdict“This power station is a smart choice for those seeking a lightweight, versatile backup for small electronic devices during outdoor activities or short-term emergencies.”
How We Picked
I evaluated each solar-powered backup generator based on several key criteria: power capacity, portability, charging speed, expandability, build quality, and user-friendliness. Priority was given to models that offered reliable, sustained power suitable for both emergency backup and off-grid living. To rank these options, I compared their technical specifications, ease of use, and overall value, aiming to highlight choices that meet different user needs—from casual campers to full-time off-grid residents. The selection process also considered customer reviews and real-world versatility, ensuring each pick offers a meaningful benefit over competitors.Factors to Consider When Choosing Solar-powered Backup Generators
Choosing a solar-powered backup generator involves more than just capacity. Consider how much power you’ll need during an outage or trip, the generator’s portability, and whether it can expand for future needs. Additionally, look at charging speed and ease of setup, especially if you need quick power restoration. Budgeting for quality and durability is wise, since a reliable system can last years with proper care. Lastly, think about the environment and your use case—some models are better suited for RVs, while others excel in emergency home backup scenarios.Power Capacity and Runtime
Understanding your power needs is essential. For basic camping or emergency use, a generator with around 1,000Wh may suffice, but for larger appliances or extended outages, units exceeding 3,000Wh are more appropriate. Keep in mind that capacity directly influences runtime; the higher the capacity, the longer you can run your devices. Consider whether the generator can handle your essential appliances simultaneously, especially if you intend to power multiple devices or larger appliances during an outage.
Portability and Size
If you plan to take your generator on outdoor trips or move it around your home, size and weight become critical factors. Compact models like the Jackery Explorer 300 are ideal for lightweight portability, while larger units such as the EcoFlow DELTA Pro are better suited for stationary home backup. Think about how often you’ll need to move the generator and whether carrying handles, wheels, or compact design features are important for your use case. Remember, bigger capacity units tend to be bulkier, which can limit their portability.
Charging Speed and Recharging Options
Fast recharging can be a game-changer, especially during multi-day outages or frequent trips. Many models now support rapid charging via AC outlets, solar panels, or even car chargers. If you expect to rely on solar as your primary recharging method, check the solar input wattage and compatibility. Some units, like the Jackery Explorer 1000 V2, recharge in about an hour with compatible fast-charging options, while others may take several hours or more, which could impact your usage plan.
Expandability and Modular Design
Many advanced models now offer expandability, allowing you to increase capacity by adding extra batteries or modules. This flexibility can extend runtime and future-proof your investment. For users with evolving needs—such as converting a camping setup into a full home backup—these features provide valuable scalability. However, modular systems often come at a higher initial cost and may require additional setup, so weigh these factors against your long-term power requirements.
Durability and Build Quality
Since solar backup generators are often used outdoors or in challenging environments, durability is a key consideration. Look for models with rugged enclosures, weather resistance, and high-quality batteries like LiFePO4, which offer longer lifespan and safer operation. Cheaper options may save money upfront but tend to wear out faster or be less resistant to the elements. Investing in a well-built unit reduces maintenance costs and ensures reliable performance over time.
Frequently Asked Questions
Can I run all my household appliances on a solar backup generator?
Running all household appliances depends heavily on the generator’s capacity and the power requirements of your devices. Smaller units might handle essential items like a refrigerator or lights but struggle with larger appliances such as air conditioners or water heaters. For full-home backup, a high-capacity model like the Jackery HomePower 3600 Plus or EcoFlow DELTA Pro will be necessary. Always check the wattage ratings of your appliances against the generator’s output to avoid overloads.
How long can a solar-powered backup generator run during an outage?
The runtime varies based on the generator’s capacity and the load you place on it. Smaller models may power essential devices for several hours, while larger units can last days if properly managed. It’s important to consider both the capacity and the efficiency of your devices. Also, recharging via solar panels can extend total runtime, but this depends on sunlight conditions and panel wattage. Planning for your typical power needs helps determine the appropriate size for your scenario.
Are solar generators safe to use indoors?
Most solar generators are designed with safety features like overload protection and battery management systems, making them safe for indoor use when used correctly. However, always verify that the unit’s ventilation requirements are met. Some models generate minimal heat and are suitable for indoor environments, while larger, high-capacity units may require more space and proper ventilation. Follow the manufacturer’s guidelines to prevent issues related to ventilation or electrical safety.
How do I maintain a solar-powered backup generator?
Maintenance generally involves keeping the unit clean, ensuring vents are clear, and periodically checking batteries for capacity and performance. For units with replaceable batteries, follow the manufacturer’s instructions on battery care and replacement schedules. Regularly inspecting solar panels for dirt, debris, or damage also maximizes recharging efficiency. Proper storage during long periods of inactivity, such as in cold weather, extends the lifespan of the system.
Is it worth investing in a solar generator with expandable capacity?
Expandable systems provide flexibility for future power needs, making them a good investment if you expect your requirements to grow or want to future-proof your setup. They often cost more upfront but can save money over time by avoiding the need for entirely new systems later. For users planning long-term off-grid living or large-scale home backups, the ability to add batteries or modules can be a significant advantage. However, for short-term or minimal needs, a simpler, non-expandable model might be more cost-effective.
Conclusion
For most users, the Jackery Explorer 2000 v2 strikes an excellent balance between capacity, portability, and price, making it the best overall pick. If you prioritize large-scale power for home backup or RV use, the EF ECOFLOW Delta Pro is worth the investment. Beginners or casual campers will find the Jackery Solar Generator 300 easy to handle and affordable. For those looking to expand their setup over time, models with modular options like the Jackery HomePower 3600 Plus deliver flexibility and scalability. Ultimately, choose based on your specific power needs, mobility requirements, and budget to find the ideal solar backup generator for 2026.
