Charged Reviews · Quick reference

Hoymiles HMT-1800-4T-208-NA

Brand
Hoymiles
Model
HMT-1800-4T-208-NA
SKU / part number
HMT-1800-4T-208-NA[1]
Category
Inverters
chargedreviews.com/inverters/hoymiles-hmt-1800-4t-208-na

AC output

Continuous output?
Peak output1,800 VA[1]
AC configuration?
AC output voltage?
AC frequency?
Grid pass-through?
Maximum output per leg?

Battery

Battery voltage?
Battery voltage range?
Maximum charge current?
Maximum discharge current?
Battery-only output?
Maximum grid charging?
Compatible batteries / BMS?

PV input

PV array limit (connected)?
PV input limit (converted)?
Maximum PV voltage (Voc)65 V[1]
MPPT voltage range16 to 60 V[1]
MPPT trackers2[1]
String inputs per MPPT?
PV current per MPPT?
PV short-circuit current25 A[1]
PV startup voltage22 V[1]

Efficiency and modes

Peak efficiency96.5 %[1]
CEC weighted efficiency?
Battery conversion efficiency?
Grid / off-grid modes?
Generator input?
Transfer time?
Idle consumption?
Parallel units?

Communication and environment

CommunicationsSub-1G[1]
Operating temperature-40 to 65 °C[1]
Enclosure ratingOutdoor, IP67[1]
Operating noise?

Mechanical

Dimensions40.6 D × 326 W × 222 H mm[1]
Weight5.8 kg / 12.79 lb[1]

Installation (from the manual)

Torque

AC terminal torque?
Battery terminal torque?
PV terminal torque?
Ground terminal torque2 N·m(17.7 in-lb*)[2]

Clearances and orientation

Installation clearancesminimum 30 cm between the microinverter and the roof (communication); at least 2 cm around the microinverter (ventilation)[2]
Mounting orientationbeneath the PV module; label side up on the racking[2]

Grounding

Grounding and neutral-ground bondingAC cables include earth wires for direct grounding; grounding clamps if external grounding is required[2]

Not in the manual: Conductors, Protection, Communication

Page 1 of 2 · Installation values · ? means nothing is recordedAggregated, often community-reported information, not official documentation. Do not rely on it for installation, purchase or compliance decisions; always confirm values with the manufacturer’s official documentation. Charged Reviews accepts no responsibility for errors.

Charged Reviews · Quick reference

Hoymiles HMT-1800-4T-208-NA · HMT-1800-4T-208-NA

Warranty

Warranty term?
Optional extension?
Coverage starts?
Coverage conditions?
Remedy?
Labor and shipping?
Transfer to another owner?
Registration?
Territory?

Certifications and listings

UL 1741?
UL 1741 SA?
UL 1741 SBClaimedListed when checked[3]
IEEE 1547?
CA Rule 21?
UL 9540?
FCC Part 15?
CECClaimedListed when checked[3]

Documents and sources

  1. Hoymiles Product Brochure for North America (hoymiles.com, September 27, 2026 capture)Official document · Revised Not stated · Checked Sep 27, 2026https://www.hoymiles.com/uploadfile/1/202507/e84c726be6.pdf
  2. Hoymiles Quick Installation Guide: Hoymiles_Quick Installation Guide_HMT-1600&1800&2000-4T-208-NA Series_NA_EN_REV1.2Official instruction manual · Revised Not stated · Checked Oct 16, 2026https://w3oss.hoymiles.com/uploadfile/1/202603/14e02dcf92.pdf
  3. CEC Grid Support Inverter Lists (solar and battery inverters), official spreadsheet (data unchanged since October 1, 2026; downloaded October 11, 2026)Issuer record · Revised October 1, 2026 · Checked Oct 11, 2026https://solarequipment.energy.ca.gov/Home/DownloadtoExcel?filename=InvertersList