For grid-tied homes that want solar, battery backup and export in one outdoor box at a lower price than Sol-Ark or Fortress.
AmazonA hybrid solar inverter, often sold as an all-in-one, puts three boxes in one: an MPPT solar charge controller, a battery charger that runs from the grid or a generator, and an inverter that turns battery power into household AC. It’s the heart of an off-grid cabin or a home backup system: panels and a battery bank plug into it, and it decides moment to moment whether loads run from solar, the battery or the grid.
Size it by its continuous output in kW, which sets how much it can run at once, and by its battery voltage. 12 and 24 V units suit vans and small cabins; most home systems use 48 V. A 120/240 V split-phase unit can run 240 V loads like a well pump or a dryer on its own; a 120 V unit needs a second one in parallel for that.
Top Picks
For off-grid homes that need whole-house 240 V power and a big solar array at a very low price per kW.
Self2Solar $1,769Shop by Output
120 V
17 rankedSingle-phase 120 V inverters for cabins, RVs, sheds and backup circuits, most on a 12, 24 or 48 V battery.
Top rated: PowMr POW-LVM4K-ECO $289
120/240 V split-phase
40 ranked120/240 V inverters that power a whole house, including 240 V loads like well pumps, from one unit.
Top rated: Growatt SPH 10000TL-HU-US $2,599
Narrow It Down
Prices were last checked October 23, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Best 120V All-in-One Solar Inverters
- PowMr POW-LVM4K-ECO#1 of 17Full review
For a small 120 V cabin, shed or van system on a 24 V battery at the lowest price. Buyers who want published efficiency and a UL listing should spend more.
Amazon PowMr $289$2894 kW24 V5,000 W1 year - ECO-WORTHY 5000W 48V AIO Inverter#2 of 17Full review
For a 120 V cabin or backup circuit with a decent array and long panel strings. Buyers who need 240 V should look at a split-phase unit instead of buying two.
Amazon ECO-WORTHY $759.99$759.995 kW48 V5,500 W2 years - SunGoldPower SPH5048P#3 of 17Full review
A cheap, UL-listed 5 kW 120 V building block for cabins and backup systems. Add a second unit for 240 V.
Amazon SunGoldPower $750$7505 kW48 V5,500 W1 year - Rich Solar NOVA 6K#4 of 17Full review
For a 120 V off-grid cabin or RV-style system that needs a UL-listed unit with a US support line. Similar hardware sells for much less under other brands.
Rich Solar $1,299.99$1,299.996.5 kW48 V8,000 W3 years - MPP Solar LV6548V 500V#5 of 17Full review
A low-cost 6.5 kW off-grid inverter for big solar arrays on 120 V circuits. Pair two for a 240 V home.
MPP Solar US store $1,129$1,1296.5 kW48 V8,000 W1 year
Best Split-Phase Hybrid Inverters
- Growatt SPH 10000TL-HU-US#1 of 40Full review
For grid-tied homes that want solar, battery backup and export in one outdoor box at a lower price than Sol-Ark or Fortress.
Amazon$2,59910 kW48 V15,000 W10 years - EG4 FlexBOSS21#2 of 40Full review
For grid-tied homes that want whole-house backup and a big solar array from one inverter. It gives more output than the 18kPV for less money.
Signature Solar $3,599.99$3,599.9912 kW48 V21,000 W10 years - EG4 FlexBOSS18#3 of 40Full review
For grid-tied homes that want net metering and whole-home backup at a lower price than the FlexBOSS21. Choose the 21 if you need more battery-only output or a third tracker.
Signature Solar $3,199.99$3,199.9910 kW48 V18,000 W10 years - Fortress Power Envy Duo 21#4 of 40Full review
For homes with a large roof array that want whole-house backup and grid export from one outdoor unit. It takes more solar than the Envy True 12 for the same price.
Wind & Sun $4,898$4,89812 kW48 V25,000 W10 years - EG4 18kPV#5 of 40Full review
For grid-tied homes that want whole-house backup and grid sell from one proven inverter. Compare against the FlexBOSS21 first, which costs less for more power.
Signature Solar $3,999.99 Shop Solar Kits $3,999.99$3,999.9912 kW48 V18,000 W10 years
How We Rank
Each inverter is scored on its price per kW of continuous output, how much solar it takes (panel watts for its size, PV voltage and trackers), its efficiency and idle draw, its features (UL 1741 listing, app monitoring, parallel stacking, grid sell-back, a generator input and battery communication) and its warranty.
| Factor | Measures | Weight |
|---|---|---|
| Value | price per kW of continuous output | 30% |
| Solar input | panel watts it takes, PV voltage and trackers | 20% |
| Efficiency | peak efficiency and idle draw | 20% |
| Features | UL 1741, app, parallel, sell-back, generator and battery links | 15% |
| Warranty | warranty length | 15% |
How we rank explains each factor in full.