Head to head

FranklinWH aPower 2 vs EcoFlow OCEAN Pro

FranklinWH aPower 2

FranklinWH · Home Battery System

FranklinWH aPower 2

~$16,000

10,000 W / 15,000 W surge · up to well pump or a small central AC

EcoFlow OCEAN Pro

EcoFlow · Home Battery System

EcoFlow OCEAN Pro

~$18,000

24,000 W · up to whole home with central air

Quick takeThe FranklinWH aPower 2 lists about $2,000 lower; the EcoFlow OCEAN Pro puts out more sustained power (24,000 W).

SpecFranklinWH aPower 2EcoFlow OCEAN Pro
Approx. price~$16,000~$18,000
TypeHome Battery SystemHome Battery System
FuelBattery (LiFePO4)Battery (LiFePO4)
Running / output watts10,000 W24,000 W
Starting / surge watts15,000 W24,000 W
Battery capacity15,000 Wh10,000 Wh
Expandable to225,000 Wh80,000 Wh
Noise——
RuntimeFridge (~150W): ~85 hrs (3.5 days) per unitFridge (~150W): ~57 hrs (2+ days) per module
OutletsHardwired 120/240V whole-home via aGate controllerHardwired 120/240V whole-home via Smart Electrical Panel 40
Fuel tank——
Weight357 lbs254 lbs
Transfer-switch readyYesYes
Warranty15-year15-year

Highlighted cell is the better figure for that row.

Owner pros and cons

FranklinWH aPower 2

  • +15kWh per cabinet - best single-unit capacity in the industry
  • +15kW surge starts 5-ton HVAC without soft-start kits
  • +AC-coupled: compatible with any existing solar inverter brand
  • +aGate integrates generator input for indefinite outage endurance
  • +Outdoor-rated -4°F to 122°F with a 15-year warranty
  • −Installed quotes vary by thousands between dealers
  • −357 lbs requires two-plus installers and solid wall mounting
  • −Newer dealer network than Tesla/Generac in some regions

EcoFlow OCEAN Pro

  • +Massive scalability: 10-80kWh per inverter, up to 24kW output
  • +205A LRA start rating exceeds even Powerwall 3's 185A
  • +15-year warranty on LFP modules with 6,000-cycle cells
  • +IP67 modules with self-heating - true all-climate outdoor rating
  • +Integrated smart panel + 11.5kW EV charger consolidates three products
  • +40kW solar input headroom future-proofs large arrays
  • −Quote-only pricing with little published data - hard to comparison-shop
  • −Brand-new 2026 platform: essentially no long-term owner track record
  • −Certified-installer network still being built out
  • −EcoFlow's installed-product support is unproven versus incumbents
  • −Surge specs beyond LRA rating not yet published