Hoymiles HMS-500-1T-NA

Last updated: November 2, 2026

Hoymiles HMS-500-1T-NA
3.9/5#4 of 11 in one panel microinverters
3.9

A single panel inverter for big 500 W+ panels where shade or odd roof planes call for one inverter per panel. For a plain array, a Hoymiles four panel unit costs much less per watt.

  • 475 WAC output
  • 1Panels
  • YesUL 1741
  • 25 yearsWarranty
Check price at Self2Solar$199

Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • 475 W continuous output, more than any Enphase single panel unit, for panels up to 670 W
  • A 14 A input handles modern high current panels
  • Meets rapid shutdown and carries a 25 year warranty
Cons
  • Costs more per watt than Hoymiles two and four panel units
  • Monitoring needs a Hoymiles DTU gateway, sold separately
  • Lower CEC efficiency than Enphase

The Hoymiles HMS family

Every Hoymiles HMS model we rank, smallest first. Ratings compare each against its own panel count.

ModelAC outputRatingPrice
Hoymiles HMS-500-1T-NA (this one)475 W3.9/5$199
Hoymiles HMS-800-2T-NA720 W4.0/5$269
Hoymiles HMS-1000-2T-NA958 W4.3/5$269
Hoymiles HMS-1600-4T-NA1,440 W4.2/5$379
Hoymiles HMS-1800-4T-NA1,660 W4.3/5$369
Hoymiles HMS-2000-4T-NA1,918 W4.5/5$389

How it scores

The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its panel count. How we rank explains each one.

Specifications

Model numberHMS-500-1T-NA
Output
Panel inputs1
AC output475 W
Grid voltage240 V split phase or 208 V
CEC efficiency96.5%
Peak efficiency96.5%
Panel input
Largest panel670 W
Current per input14 A
MPPT range16 to 60 V
Listing and build
UL 1741Yes
Rapid shutdownYes
Monitoringgateway (sold separately)
EnclosureIP67 (NEMA 6)
Weight3.9 lb
Warranty25 years

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