Charged Reviews · Quick reference

Qcells Q.PEAK DUO BLK-G5 320

Brand
Qcells
Model
Q.PEAK DUO BLK-G5 320
SKU / part number
?
Category
Solar panels
chargedreviews.com/panels/qcells-q-peak-duo-blk-g5-320

Electrical at STC

Rated output (STC)320 W[1]
Module efficiency19 %[1]
Voltage at max power (Vmp)33.8 V[1]
Current at max power (Imp)9.47 A[1]
Open-circuit voltage (Voc)40.56 V[1]
Short-circuit current (Isc)9.94 A[1]
Power tolerance?

Temperature and system limits

Temperature coefficient, Pmax-0.37 %/°C[1]
Temperature coefficient, Voc-0.28 %/°C[1]
Temperature coefficient, Isc0.04 %/°C[1]
Maximum system voltage1,000 V[1]
Maximum series fuse?
NOCT / NMOT?
Rated output at NMOT?
Operating temperature-40 to 85 °C[1]

Cells and construction

Cell technology6 × 20 monocrystalline Q.ANTUM solar half-cells[1]
Cell count120 cells[1]
Bifacial?
Bifaciality?
FrameBlack anodized aluminum[1]
Front glass?
Rear surface?
Panel formatrigid[1]

Mechanical and connections

Dimensions32 D × 1,000 W × 1,685 L mm[1]
Weight18.7 kg / 41.23 lb[1]
ConnectorsMulti-Contact MC4, IP68[1]
Cable length?
Junction box rating?
Mounting?
Design load, front?
Design load, rear?

Installation (from the manual)

Not documented in the manual

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

Qcells Q.PEAK DUO BLK-G5 320 · Q.PEAK DUO BLK-G5 320

Warranty

Product warranty12 years[1]
Power warranty term25 years[1]
First-year degradation?
Annual degradation after year one0.54 %[1]
Warranted final output85 %[1]
Coverage conditions?
Remedy?
Labor and shipping?
Transfer to another owner?

Certifications and listings

UL 61730?
UL 1703ClaimedListed when checked[1]ClaimedListed when checked[2]
IEC 61215ClaimedListed when checked[1]
IEC 61730ClaimedListed when checked[1]
IEC 62804?
CEC listing?
CECClaimedListed when checked[2]

Documents and sources

  1. Qcells Q.PEAK DUO BLK-G5 300-320 datasheet, Q.PEAK DUO BLK-G5_300-320_2018-03_Rev02_NA (Internet Archive copy, October 21, 2021)Official datasheet · Revision Q.PEAK DUO BLK-G5_300-320_2018-03_Rev02_NA · Revised Not stated · Checked Sep 25, 2026https://web.archive.org/web/20211021230746id_/https://www.q-cells.com/dam/jcr:1402ddc6-d3de-4e13-aa7a-74aa008e117a/Hanwha_Q_CELLS_Data_sheet_Q.PEAK_DUO_BLK-G5_300-320_2018-03_Rev02_NA.pdf
  2. CEC PV Module List, 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=PVModuleList