Head to head

EG4 PowerPro WallMount All Weather vs Enphase IQ Battery 10C

EG4 PowerPro WallMount All Weather

EG4 · Home Battery System

EG4 PowerPro WallMount All Weather

~$3,300

10,240 W / 11,520 W surge · up to well pump or a small central AC

Enphase IQ Battery 10C

Enphase · Home Battery System

Enphase IQ Battery 10C

~$5,772

7,080 W / 14,160 W surge · up to furnace blower, sump pump or a window AC

Quick takeThe EG4 PowerPro WallMount All Weather lists about $2,472 lower; the EG4 PowerPro WallMount All Weather puts out more sustained power (10,240 W).

SpecEG4 PowerPro WallMount All WeatherEnphase IQ Battery 10C
Approx. price~$3,300~$5,772
TypeHome Battery SystemHome Battery System
FuelBattery (LiFePO4)Battery (LiFePO4)
Running / output watts10,240 W7,080 W
Starting / surge watts11,520 W14,160 W
Battery capacity14,340 Wh10,000 Wh
Expandable to85,800 Wh80,000 Wh
Noise——
RuntimeFridge (~150W): ~81 hrs (3+ days) per unitFridge (~150W): ~66 hrs on one 10C; whole-home essentials (~1kW) about 10 hrs
Outlets48V DC battery; AC output via paired inverter (e.g. EG4 18kPV/FlexBOSS)None — hardwired through the IQ System Controller 3/3G backup gateway
Fuel tank——
Weight308.6 lbs317 lbs
Transfer-switch readyYesYes
Warranty10-year15-year limited (6,000 cycles, 60% retention)

Highlighted cell is the better figure for that row.

Owner pros and cons

EG4 PowerPro WallMount All Weather

  • +Unmatched price per kWh - about one-fifth of turnkey-brand installed cost
  • +Full UL9540/UL1973 listing satisfies inspectors, rare at this price
  • +IP65 + built-in heater enables genuine outdoor mounting in cold climates
  • +8,000 cycles at 80% DoD - decades of daily cycling
  • +Parallels to 85.8kWh for off-grid-scale builds
  • +10-year warranty from an established US-support operation
  • −Battery only - inverter, wiring, and labor are on you
  • −Support is responsive but DIY-grade; no dealer hand-holding
  • −Firmware/comms quirks pairing with non-EG4 inverters
  • −308.6 lbs makes wall-mounting a multi-person job
  • −Self-install may complicate permits and homeowners insurance

Enphase IQ Battery 10C

  • +Built-in microinverters let one unit run backup without a separate inverter
  • +Modular: stack up to 80 kWh and add units as budget allows
  • +15-year warranty is the longest of the major brands
  • +Fan-free, LFP chemistry with no cobalt
  • +AC coupling makes it a straightforward retrofit to existing solar
  • −7.08 kW continuous trails the Powerwall 3's 11.5 kW, so big loads need several units
  • −317 lb installed weight needs a floor pedestal or a strong wall
  • −Installed cost with a controller and labor runs roughly $13,000, more than double the hardware price