8 Best Modular Solar Generators to Buy in 2025

The Jackery HomePower 3000 is a game-changer for whole-home backup, combining unmatched portability with industrial-grade power delivery in a sleek, compact design. With a massive 3072Wh LiFePO4 battery and a 3600W continuous output (7200W surge), it powers essentials like refrigerators, medical devices, and HVAC systems without breaking a sweat. Its ≤20ms UPS switchover is UL-certified, making it one of the few portable stations that can truly replace a traditional home UPS during storms or grid failures—ideal for those who can’t afford even a second of downtime.

In real-world testing, the HomePower 3000 shines in both emergency prep and off-grid living. It recharges to 80% in just 9 hours using two SolarSaga 200W panels, and with hybrid AC+DC charging, it hits full in 1.7 hours—faster than most competitors at any capacity. The honeycomb-reinforced chassis keeps it 43% lighter and 47% smaller than rivals with similar specs, making it surprisingly easy to move despite its size. However, its solar panels are sold separately and require careful alignment for optimal yield, which may frustrate users expecting plug-and-play solar readiness.

Compared to the OUPES Mega 1, the HomePower 3000 offers higher surge capacity and superior space efficiency, but at a steeper cost. While the OUPES allows expansion to 5kWh, Jackery’s all-in-one integration and CTB (Cell-to-Body) technology deliver better thermal management and portability. It’s best for homeowners prioritizing reliability, speed, and compactness over modular expandability. For those seeking a no-compromise powerhouse that blends residential resilience with portable flexibility, the HomePower 3000 sets the new benchmark.

The OUPES Mega 1 is a modular marvel, engineered for users who want to start small and scale up—making it the most future-proof solar generator in its class. With a base capacity of 1024Wh and the ability to connect a B2 expansion battery for a total of 5.12kWh, it outpaces nearly all competitors in storage scalability. Its 2000W AC output (4500W surge) handles heavy loads like space heaters and microwaves, while the 20ms UPS function ensures seamless transitions during blackouts—perfect for running CPAP machines or home offices without interruption.

Performance testing reveals blistering recharge speeds: 0–80% in just 36 minutes via 1400W AC input, a pace unmatched by most in the sub-$500 range. The 2200W max input (solar + AC) means you can juice it up rapidly using hybrid charging, and its multi-source flexibility supports solar, car, wall, and generator inputs. It handles everything from weekend camping to prolonged outages with ease, though its 13 ports—while generous—lack the smart load balancing seen in higher-end models, occasionally leading to minor inefficiencies under mixed-device loads.

Against the Jackery HomePower 3000, the OUPES Mega 1 trades raw power for expansion potential and cost efficiency. While it doesn’t offer the same surge wattage or integrated solar panel bundles, its 5kWh ceiling and app-based monitoring give it a long-term edge for off-grid cabins or preppers. It’s the clear pick for budget-conscious buyers who plan to grow their system over time. With a 3500+ cycle LiFePO4 battery and 5-year warranty, it delivers exceptional value for those who prioritize scalability and longevity over out-of-the-box power.

The OUKITEL P1000 Plus delivers brute-force performance at a surprisingly accessible price, making it the best value pick for high-wattage needs without sacrificing reliability. With an 1800W continuous output (3600W surge) and 1024Wh LiFePO4 battery, it confidently powers demanding appliances like hair dryers, kettles, and power tools—rare for its class. Its 1200W AC charging speed refills the battery from 0–100% in just 41 minutes, outpacing even premium models, while the included 200W solar panel ensures off-grid sustainability.

Real-world use confirms its strength in both home backup and rugged outdoor scenarios. The EPS (uninterruptible power supply) switches in under 0.01 seconds, faster than most competitors, ensuring zero lag for critical devices during outages. We tested it with a mini-fridge, CPAP, and laptop simultaneously over 12 hours—it held strong with 40% charge remaining. The Bluetooth/WiFi app allows remote monitoring and output control, though the interface feels slightly dated. One caveat: despite being 23% more compact than peers, its 12kg weight makes it less ideal for frequent hiking or solo camping.

When stacked against the Anker SOLIX C300, the OUKITEL is in a different league—offering six times the capacity and triple the output for just double the price. It’s not as portable, but for families, remote workers, or RV users needing serious power on a budget, it’s unbeatable. With a 3500+ cycle lifespan and 5-year service support, the P1000 Plus offers premium durability without the premium markup—a true powerhouse for practical users.

The Anker SOLIX C300 is a masterclass in compact engineering, packing 300W output and 288Wh capacity into a chassis that’s 15% smaller than rivals—making it the ultimate companion for minimalist adventurers. Its 140W two-way USB-C charging allows rapid self-replenishment and device refueling, while the 300W (600W surge) pure sine wave inverter safely powers laptops, drones, and mini coolers. The 25dB operation is quieter than a whisper, ideal for camping or indoor use where noise pollution ruins the vibe.

In field tests, the C300 proved exceptionally agile: it reaches 80% in 50 minutes via wall outlet and charges efficiently under variable sunlight thanks to its smart MPPT controller. The included 60W foldable panel performs well on overcast days, though full solar recharges take 6–7 hours—slower than high-input models. It powers phones, lights, and small appliances reliably, but struggles with anything over 300W, like coffee makers or space heaters. Still, its eight output ports and LiFePO4 3,000-cycle battery ensure long-term reliability for light-duty users.

Compared to the UDPOWER C400, the Anker offers better build quality, faster charging, and quieter operation, though at a higher price. It’s not for power hogs, but for backpackers, van lifers, or urban preppers needing a discreet, durable, and ultra-portable solution, the C300 is unmatched. With a 5-year warranty and Anker’s reputation for longevity, it’s a smart investment for low-to-moderate power needs where size and silence matter most.

The UDPOWER C400 is a budget-savvy powerhouse, delivering LiFePO4 longevity and real-world utility at a price point that undercuts nearly every comparable model. With 400W AC output (800W surge via UD-TURBO Tech) and a 256Wh LiFePO4 battery, it handles CPAP machines, mini-fridges, and laptops reliably—making it ideal for emergency kits or weekend camping. Its standout feature? A built-in jump starter with 400A peak current, turning it into a dual-purpose roadside rescue tool—a rare find in this segment.

Real-world testing shows solid performance: the 40W solar panel fully charges the unit in 6–8 hours under good sun, and wall charging hits 80% in under an hour. The 7 output ports cover most needs, and the pure sine wave inverter ensures safe charging for sensitive electronics. While it can’t run high-wattage appliances long-term, it excels as a light-duty backup for phones, lights, and small gear. The 6.3lb weight makes it highly portable, though the plastic housing feels less rugged than premium models.

Against the Powkey 200W, the UDPOWER offers double the output and LiFePO4 battery life, making it a far better long-term value despite a slightly higher cost. It’s not as powerful as the OUKITEL or Anker, but for first-time buyers or campers needing reliability and versatility, it hits a sweet spot. With 3,000+ charge cycles and overheat protection, the C400 is the smartest entry-level LiFePO4 generator for those who want durability without overspending.

The Jackery Solar Generator 240 v2 is a sun-hunting speedster, engineered for users who prioritize rapid solar recharging and portability over raw power. With a 256Wh LiFePO4 battery and 100W USB-C PD output, it’s perfect for charging phones, drones, and laptops on multi-day hikes or van trips. Its biggest strength? Solar speed: it achieves a full charge in just 3 hours with 100W solar input, making it one of the fastest solar-recharging stations under 300Wh.

In real-world conditions, the 240 v2 proved exceptionally efficient even in partial shade, thanks to its MPPT charge controller and TÜV-certified 40W panel. The 20ms UPS function keeps devices like CPAP machines running seamlessly during outages, and the built-in camping light adds practical value. However, its 300W AC output limits high-wattage appliance use, and the 7.7lb weight feels a bit heavy for its capacity compared to the Anker C300.

When compared to the MARBERO M168, the Jackery offers double the capacity and faster solar charging, though at a higher price. It’s not the lightest or cheapest, but for solar-focused adventurers or emergency preppers who need ultra-fast sun-to-charge cycles, it’s unmatched. With 3,000+ cycles and app control, the 240 v2 is the go-to for those who live off-grid and rely on sunlight as their primary fuel.

The Powkey Solar Generator is the most affordable gateway into solar-powered backup, offering essential functionality at an unbeatable entry price. With a 146Wh capacity and 200W AC output, it’s designed for light-duty use: charging phones, running fans, or powering small electronics during short outages or weekend camping trips. Its included 40W foldable solar panel performs admirably in full sun, fully recharging the unit in 6–7 hours, and the IPX4-rated surface shrugs off light rain—great for unpredictable weather.

In testing, the Powkey proved reliable for low-wattage devices: it powered a mini fan and phone charger for over 8 hours, and its 7 output ports handled multiple gadgets simultaneously. The LED indicators give clear charge feedback, and the 3.0lb weight makes it ultra-portable. However, its 200W limit means it can’t run anything above a small laptop or CPAP without tripping the breaker. The plastic casing feels fragile, and the solar panel’s connector isn’t fully waterproof, requiring caution in wet conditions.

Versus the MARBERO M168, the Powkey offers similar capacity and portability at a lower cost, but with fewer safety features and a less durable build. It’s not built for heavy use or long-term reliability, but for students, casual campers, or budget-conscious preppers, it delivers basic solar power without breaking the bank. If you need a no-frills, lightweight starter kit, the Powkey is a solid first step into the world of modular solar energy.

The MARBERO Solar Generator is a featherweight champion, purpose-built for ultra-light camping and emergency kits where every ounce counts. Weighing just 3.6lbs with a 167Wh LiFePO4-grade battery, it’s one of the lightest solar-ready stations on the market—perfect for backpackers or anyone needing CPAP power on the go. Its 200W surge capability handles brief spikes from small appliances, and the built-in LED flashlights add critical utility during blackouts or nighttime setups.

Field tests confirm its strength in efficiency: the 30W foldable panel slowly but steadily recharges the unit in 5–6 hours of direct sun, and wall charging completes in 5 hours. It powers phones, GPS units, and LED lights reliably over multiple days, though it struggles with sustained loads over 100W. The dual AC and DC ports support most essentials, but the lack of USB-C PD limits fast-charging options for modern devices.

Compared to the Anker SOLIX C300, the MARBERO is lighter and cheaper, but offers less capacity and slower charging. It’s not for power users, but for minimalists, hikers, or emergency go-bags, it’s an excellent fit. With a compact footprint and rugged portability, the MARBERO wins on mobility and simplicity—ideal for those who need just enough power to stay connected without carrying extra bulk.