TCL Zhonghuan HSM-BD66-GR640

640 WIBCE ClassC2 LBifacial 75%66 cells

The TCL Zhonghuan HSM-BD66-GR640 is a 640 W solar panel featuring IBC cell technology. Below are the verified electrical and thermal specifications extracted from the manufacturer datasheet.

Technical Specifications

Electrical Characteristics (STC)

Peak Power (Pmax): : 640 W
Open-Circuit Voltage (Voc): : 49.52 V
Max Power Voltage (Vmpp): : 40.78 V
Short-Circuit Current (Isc): : 16.38 A
Max Power Current (Impp): : 15.69 A
Number of Cells: : 66

Temperature

Temp. Coefficient Voc: : -0.2 %/°C
Temp. Coefficient Isc: : 0.05 %/°C
Temp. Coefficient Pmax: : -0.26 %/°C
Max System Voltage: : 1,500 V
Nominal Cell Temperature (NOCT): : 43 °C
Cell Technology: : IBC
Bifaciality Factor: : 75%
Max Series Fuse: : 30 A
Power Tolerance: : +3%

Physical

Length: : 2,382 mm
Width: : 1,134 mm
Thickness: : 30 mm
Weight: : 33.5 kg

Datasheet

tcl_C2_HSM-BD66-GR_COM-TZE_EN_2026-08.pdf0.6 MB

HSM-BD66-GC640-665.pdf1.3 MB

Sourcepub-72985f516cf4462ebe2c3d69275b4a1e.r2.dev

Other Models in This Series

Model	Power	Voc	Isc
HSM-BD66-GR640Current	640 W	49.52 V	16.38 A
HSM-BD66-GR645	645 W	49.25 V	16.57 A
HSM-BD66-GR650	650 W	49.4 V	16.65 A
HSM-BD66-GR655	655 W	49.55 V	16.73 A
HSM-BD66-GR660	660 W	49.7 V	16.8 A
HSM-BD66-GR665	665 W	49.85 V	16.88 A
HSM-BD66-GR670	670 W	50 V	16.95 A

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