Jinko Solar JKM640N-66HL4M-BDV-Z4C3 N-type bifacial solar panel

Jinko Solar Panel Datasheet — JKM640N-66HL4M-BDV-Z4C3

A dual-glass bifacial panel that also harvests the light bouncing off your roof or the ground, so the same square metres earn more. This model: Module Efficiency 23.7%, Maximum Power (Pmax) 640W.

SKU: JKM640N-66HL4M-BDV-Z4C3 | Last Updated: 2026-08-20

⚡Electrical Specifications

Maximum Power Voltage - Vmp41.30 V
Maximum Power Current - Imp15.50 A
Short-circuit Current - Isc16.32 A
Open-circuit Voltage - Voc49.88 V
Module Efficiency STC23.7 %

🔧Mechanical Specifications

Cell TypeN- type Mono-crystalline
Dimensions2382×1134×30 mm
Weight32.4 kg
Front Glass2.0 mm, Anti-reflection Coating
Back Glass2.0 mm, Heat Strengthened Glass
FrameAnodized Aluminium Alloy
Junction BoxIP68 Rated
Connector TypeJK03M / JK03M2 / Others*
Output Cables4.0 mm2
Pallet Dimensions2396×1110×1251mm
Packing Detail36 pcs/pallets, 72 pcs/stack,
Maximum Power-Pmax640 W
Maximum Power Current Imp (BNPI)17.10 A
Temperature Coefficient of Voc-0.25 %/°C
Temperature Coefficient of Isc0.045 %/°C
Power Tolerence0 ~ + 3 %
Temperature Coefficient of Pmax-0.29 %/°C
Operating Temperature-40 °C +70 °C
Maximum Series Fuse Rating35 A
Bifaciality CoefficentsφVoc: 98±5 %, φIsc: 80±5 %, φPmax: 80±5 %
Number of Cells132 (66×2)

🌡️Environmental Specifications

Protection ClassClass II
IEC Fire TypeClass C

📏Dimensions

Width1134mm
Height2382mm
Depth30mm
Weight32.4 kg

✅Certifications

IECTUVCE