Best Solar Generators for Home Backup (2026)

When the grid goes down, you want a solar generator that can keep a fridge running, charge medical devices, power lights, and run at least one small appliance — not just top off a phone. The EcoFlow DELTA Pro is the best solar generator for home backup in 2026. At 3600Wh with 3600W AC output and expandability to 25kWh, it's the first unit that handles a genuine whole-home partial-backup scenario without requiring a permanent installation. Below it, the Bluetti AC200L and Jackery Explorer 2000 Plus compete hard on value. Here's how each one stacks up for the specific loads that matter during an outage.

The Loads That Actually Matter in an Outage

Before comparing units, it helps to know what you're actually powering. A realistic home backup scenario includes: a refrigerator (150W average, 600W startup surge), LED lighting for four rooms (60W total), phone and laptop charging (100W), and a router or cable modem (20W). That's roughly 330W continuous draw. A 2048Wh unit powers this setup for about 5.3 hours: 2048 × 0.85 ÷ 330 = 5.3 hours. A 3600Wh unit extends that to 9.3 hours. Add a chest freezer (another 100W average) and those numbers drop proportionally.

Our Top Picks at a Glance

Product	Capacity	AC Output	Max Solar In	Best For
EcoFlow DELTA Pro	3600Wh	3600W (7200W surge)	1600W	Best Overall Home Backup
Bluetti AC200L	2048Wh	2400W (6000W surge)	1200W	Best Value
Jackery Explorer 2000 Plus	2042Wh	3000W (6000W surge)	800W	Best for High-Draw Appliances
Anker SOLIX F2000	2048Wh	2200W (4400W surge)	1200W	Solid All-Rounder
Bluetti AC300 + B300	3072Wh+	3000W (6000W surge)	2400W	Most Scalable

Best Overall for Home Backup — EcoFlow DELTA Pro

The DELTA Pro is the unit that makes a real whole-home partial backup viable without a generator transfer switch or a permanent installation. At 3600Wh stock and expandable to 25kWh with additional batteries and Smart Home Panels, it can run a refrigerator, lights, CPAP, and device charging for well over 24 hours on a single charge.

Key specs:

• 3600Wh LiFePO4, 3,500+ cycles
• 3600W continuous AC / 7200W surge
• 1600W max solar input
• AC charge time ~1.8 hours
• Expandable to 25kWh
• Smart Home Panel compatible
• Weighs 45kg / 99.2 lbs

The 7200W surge capacity is significant: it can start a central AC unit, a well pump, or a refrigerator compressor without tripping. That 3600W continuous output means you can run a microwave, a coffee maker, and a fridge simultaneously — the kind of real-life morning routine that matters during a two-day outage.

The Smart Home Panel integration is what separates the DELTA Pro from everything else at this price. It connects directly to your home's circuit breaker panel and lets you selectively back up specific circuits — the kitchen, the master bedroom, the office — without rewiring. For homeowners in regions with frequent grid failures (the Southeast US, Texas, the Northeast in ice storm season), this changes the calculus from "camping power" to genuine home infrastructure.

The downsides are real: it weighs 99.2 lbs and costs around $2,699. Moving it requires two people or wheels. But for serious home backup use, no other portable unit comes close to the feature set at this price point. Check current price on Amazon.

Best Value — Bluetti AC200L

At around $1,499, the Bluetti AC200L delivers 2048Wh and 2400W AC output with a 6000W Power Lifting surge — enough to start most refrigerators and freezers. The dual MPPT controllers and 1200W solar input ceiling are the features that set it apart in this price range.

Key specs:

• 2048Wh LiFePO4, 3,500+ cycles
• 2400W continuous AC / 6000W Power Lifting
• 6 AC outlets
• 1200W max solar input (dual MPPT)
• AC charge ~2 hours
• Weighs 28kg / 61.7 lbs

The dual MPPT input means you can connect two separate strings of solar panels with different orientations — useful if your home has panels facing different directions or if you're deploying temporary panels during an outage. That 1200W solar input can replenish the battery fully in under 2 hours in strong sun, which makes the AC200L genuinely self-sustaining during a multi-day outage if you have enough panels.

Running our standard outage load (330W continuous), the AC200L provides 5.3 hours of runtime. Add solar recharging during daylight hours and you can extend that indefinitely in most weather conditions. For the full breakdown of this unit's capabilities, see our Bluetti AC200L review. Check current price on Amazon.

Best for High-Draw Appliances — Jackery Explorer 2000 Plus

The Jackery Explorer 2000 Plus stands out for its 3000W continuous AC output and 6000W surge — the highest continuous output in the under-$1,500 price tier. If you're running a large electric range, a power tool, or a space heater (typically 1500W), the 2000 Plus handles it without throttling.

Key specs:

• 2042Wh LiFePO4, 4,000+ cycles
• 3000W continuous AC / 6000W surge
• 800W max solar input
• AC charge ~2 hours
• Weighs 28kg / 61.7 lbs

The 4,000-cycle LiFePO4 rating is the best longevity spec in this price range — better than EcoFlow's 3,500 and Bluetti's 3,500. The solar input ceiling at 800W is lower than the AC200L's 1200W, which matters if solar recharging is a priority. But for households where the main concern is running high-draw appliances during an outage rather than solar self-sufficiency, the 2000 Plus is the better fit. Check current price on Amazon.

Solid All-Rounder — Anker SOLIX F2000

The Anker SOLIX F2000 at around $1,499 offers 2048Wh, 2200W continuous AC, and 1200W solar input — specs that slot it between the Jackery (higher AC output) and Bluetti AC200L (dual MPPT solar). Anker's build quality is consistently high, and the unit is expandable to 4096Wh with an additional battery.

Key specs:

• 2048Wh LiFePO4, 3,000+ cycles
• 2200W continuous AC / 4400W surge
• 4 AC outlets
• 1200W max solar input
• AC charge ~1.5 hours
• Weighs 28.6kg / 63 lbs

The 1.5-hour AC charge time is the fastest in this capacity class. If you're cycling the unit frequently — charging overnight when rates are low, discharging during the day — the fast turnaround matters. The 4400W surge is lower than Jackery's 6000W, which could be a limiting factor for large motor startups. At 4 AC outlets versus the AC200L's 6, power distribution is more constrained. Check current price on Amazon.

Most Scalable — Bluetti AC300 + B300

The Bluetti AC300 is a modular power station: the unit itself has no built-in battery. You pair it with B300 battery modules (3072Wh each, around $2,099 per module), and you can stack up to four modules for 12,288Wh of capacity. For homeowners who want to grow their backup capacity over time, the modular approach makes sense — buy one B300 now, add another when budget allows.

Key specs (AC300 unit):

• No built-in battery — requires B300 modules (3072Wh each)
• 3000W continuous AC / 6000W surge
• 2400W max solar input
• AC300 unit weighs 15.9kg
• AC300 MSRP ~$2,299 plus B300 module ~$2,099

The 2400W solar input is the highest on this list, and with the right panel array, the AC300 + B300 can fully recharge its 3072Wh battery in about 1.5 hours in peak sun. The total cost of entry (unit plus one battery) is higher than any other option here — around $4,400. But the architecture gives you more flexibility than a fixed-battery unit at any price. Check current price on Amazon.

What to Look For in a Home Backup Solar Generator

Capacity Relative to Your Load

Calculate your actual load first. List every device you plan to run during an outage, find its wattage, and multiply by the hours you want it to run. Add 15% buffer for conversion losses. For most homes running essential loads (fridge, lights, devices, router), 2000Wh provides 5–6 hours and 3600Wh provides 9–10 hours without any solar input.

Solar Recharge Rate

During a multi-day outage, grid recharging isn't an option. Solar input rate determines how much capacity you recover each day. A 1200W solar input ceiling on a 2048Wh unit means you can theoretically recover 100% in under 2 hours of peak sun. In typical conditions (4–5 peak sun hours per day in the contiguous US), that's 4,800–6,000Wh of potential daily recharging — more than enough to keep most units topped off.

Surge Capacity for Motor Loads

Refrigerators, freezers, sump pumps, and well pumps all have motor compressors that draw 2–3× running wattage on startup. A fridge that draws 150W running may spike to 600W on startup. If your surge capacity can't handle the spike, the unit shuts down or the appliance fails to start. Always check surge ratings, not just continuous output.

Expandability

If you're buying for home backup, choose a unit with expansion capability. Your needs will grow — or you'll want more capacity as you add a chest freezer or an EV charger. The DELTA Pro, AC200L, SOLIX F2000, and AC300 all support additional batteries. The Jackery 2000 Plus does not. For a broader look at high-capacity options, see our high-capacity solar generator guide.

Our Testing Methodology

All capacity and runtime figures are based on manufacturer specs verified against published independent discharge tests. Runtime calculations use 85% efficiency factor applied to rated capacity. Real-world results vary based on ambient temperature, appliance age, and simultaneous loads. Solar recharge estimates assume STC-rated panels at full rated wattage — real-world solar production typically runs 70–80% of STC rating in optimal conditions.