Charged Reviews · Quick reference

Hoymiles HAS-3.8LV-USG1

Brand
Hoymiles
Model
HAS-3.8LV-USG1
SKU / part number
HAS-3.8LV-USG1[1]
Category
Inverters
chargedreviews.com/inverters/hoymiles-has-3-8lv-usg1

AC output

Continuous output3.84 kW[1]Calculated
Peak output7680 VA for 10 s (off-grid output)[1]
AC configurationGrid: 240 V (211 to 264 V) or 208 V (183 to 229 V), 60 Hz; backup output: 120/240 V split phase or 120/208 V, 60 Hz[1]
AC output voltage?
AC frequency?
Grid pass-through?
Maximum output per leg?

Battery

Battery voltage?
Battery voltage range40 to 60 V[1]
Maximum charge current80 A[1]
Maximum discharge current80 A[1]
Battery-only output?
Maximum grid charging?
Compatible batteries / BMS?

PV input

PV array limit (connected)?
PV input limit (converted)?
Maximum PV voltage (Voc)?
MPPT voltage range?
MPPT trackers?
String inputs per MPPT?
PV current per MPPT?
PV short-circuit current?
PV startup voltage?

Efficiency and modes

Peak efficiency?
CEC weighted efficiency?
Battery conversion efficiency95 %[1]
Grid / off-grid modes?
Generator input?
Transfer time40 ms[1]
Idle consumption?
Parallel units10[1]

Communication and environment

CommunicationsRS485; Wi-Fi (optional); Ethernet (optional, printed as coming soon); 4G (optional, printed as coming soon)[1]
Operating temperature-25 to 65 °C[1]
Enclosure ratingType 4X[1]
Operating noise?

Mechanical

Dimensions202 D × 502 W × 615 H mm[1]
Weight28 kg / 61.73 lb[1]

Installation (from the manual)

Torque

AC terminal torque?
Battery terminal torque15 N·m(132.76 in-lb*)[2]
PV terminal torque?
Ground terminal torque3 N·m(26.55 in-lb*)[2]

Conductors

Battery conductors?
AC input conductors?
AC output conductors?
PV conductors?
Ground conductorGrid Ground Cable 8 AWG; Battery Ground Cable 8 AWG; EPS/GEN Ground Cable 8 AWG[2]

Protection

AC input breakerGEN port recommended AC breaker 20 A/240 V[2]
AC output breakerRecommended circuit breaker: Grid L1/L2 40 A; EPS/GEN L1/L2 20 A[2]
Battery fuse or breakertwo-pole DC breaker with OCP between inverter and battery (recommended 100 A)[2]
PV disconnect?

Clearances and orientation

Installation clearances≥300 mm above, ≥500 mm below, ≥200 mm on the left, ≥200 mm on the right, ≥300 mm in front[2]
Mounting orientationvertically or at a maximum back tilt of 15°; wall mount on the supplied bracket[2]

Grounding

Grounding and neutral-ground bondingground cables (battery, grid, EPS/GEN) to the inverter grounding bar; PV positive and negative not grounded[2]

Communication

Communication portsParallel; BMS; Meter; DI; EPO_P/EPO_N; DO1; DO2; USB port (DTS)[2]

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 HAS-3.8LV-USG1 · HAS-3.8LV-USG1

Warranty

Warranty term10 years[1]
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 Hybrid/AC-coupled Inverter User Manual, HYS/HAS-(3.8-11.5)LV-USG1, Region: North America (REV2.5)Official user manual · Revision REV2.5 · Revised Not stated · Checked Oct 1, 2026https://w3oss.hoymiles.com/uploadfile/1/202506/92cb159c9b.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