S SOLARSPECS
The S-Energy Co., Ltd. SL40-72MAI-420V is a Monocrystalline solar module delivering 420W of rated power output with 19.18% module efficiency. Designed for residential rooftop systems, this panel brings reliable performance.
🏭View all 202 S-Energy Co., Ltd. models Brand range: 245W–470W
Monocrystalline

S-Energy Co., Ltd. SL40-72MAI-420V

Max Power
420W
Efficiency
19.18%
Operating V
41.5V
Warranty
25Y
S-Energy Co., Ltd. SL40-72MAI-420V logo
Technical Specifications
Open Circuit Voltage (Voc)49.8V
Short Circuit Current (Isc)10.73A
Voltage at Pmax (Vmp)41.5V
Current at Pmax (Imp)10.13A
Temp. Coefficient of Pmax-0.333%/°C
Dimensions1901 x 1152 x 35 mm
Weight27.4kg
NOCT45.72°C
PTC Rating398.2W
📋 Data verified: June 2026 📄 Specs based on STC (1000 W/m², 25°C, AM 1.5) 🏷️ 202 S-Energy Co., Ltd. models in database

FAQ

How efficient is the S-Energy Co., Ltd. SL40-72MAI-420V?

This panel has 19.18% efficiency, which is above average for commercial solar panels.

What are the dimensions and weight of the S-Energy Co., Ltd. SL40-72MAI-420V?

It measures 1901 x 1152 x 35 mm and weighs 27.4kg.

What is the max power output of the S-Energy Co., Ltd. SL40-72MAI-420V?

The S-Energy Co., Ltd. SL40-72MAI-420V is rated at 420W under STC (1000 W/m², 25°C, AM 1.5).

How long is the warranty for the S-Energy Co., Ltd. SL40-72MAI-420V?

The SL40-72MAI-420V comes with a 25-year product warranty covering defects and degradation.

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