S SOLARSPECS
Jinko Solar is a globally recognized Tier-1 manufacturer from China, consistently ranking among the top three solar panel producers worldwide by shipment volume since 2016. The Jinko JKM420M-78HB is a Monocrystalline solar module delivering 420W of rated power output with 20.1% module efficiency. Designed for distributed generation projects, this panel brings reliable performance.
🏭View all 1173 Jinko models→ Brand range: 200W–650W
Monocrystalline

Jinko JKM420M-78HB

Max Power
420W
Efficiency
20.1%
Operating V
43.4V
Warranty
25Y
Jinko JKM420M-78HB logo
Technical Specifications
Open Circuit Voltage (Voc)51.6V
Short Circuit Current (Isc)10.31A
Voltage at Pmax (Vmp)43.4V
Current at Pmax (Imp)9.67A
Temp. Coefficient of Pmax-0.424%/°C
Dimensions1857 x 1125 x 35 mm
Weight26.1kg
NOCT45.1°C
PTC Rating393.1W
📋 Data verified: June 2026 📄 Specs based on STC (1000 W/m², 25°C, AM 1.5) 🏷️ 1173 Jinko models in database

FAQ

How long is the warranty for the Jinko JKM420M-78HB?

The JKM420M-78HB comes with a 25-year product warranty covering defects and degradation.

What are the dimensions and weight of the Jinko JKM420M-78HB?

It measures 1857 x 1125 x 35 mm and weighs 26.1kg.

What is the max power output of the Jinko JKM420M-78HB?

The Jinko JKM420M-78HB is rated at 420W under STC (1000 W/m², 25°C, AM 1.5).

How efficient is the Jinko JKM420M-78HB?

This panel has 20.1% efficiency, which is above average for commercial solar panels.

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