TCL 620W N-Type TOPCon Bifacial Double Glass Solar Panel

The TCL 620W N-Type TOPCon Bifacial Double Glass Solar Panel is a high-performance solar module designed for residential, commercial, industrial, and utility-scale solar installations. Featuring N-Type TOPCon technology, 210R wafer technology, and bifacial double-glass construction, it delivers up to 620W power output with module efficiency of up to 22.7%.

Its bifacial design allows the panel to generate energy from both the front and rear sides, while the durable double-glass construction provides reliable performance for demanding outdoor solar installations.

Key Features

620W High Power Output: Provides high energy generation for modern solar PV systems.
N-Type TOPCon Technology: Delivers high-efficiency solar power generation with improved long-term performance.
Bifacial Double-Glass Design: Captures sunlight from both sides of the module for increased energy yield.
Up to 80 ± 5% Bifaciality: Rear-side energy generation depends on factors such as mounting structure, installation height, tilt angle, and ground reflectivity.
210R Wafer Technology: Provides a larger light-receiving area for efficient solar energy capture.
Integrated TOPCon & Shingling Technology: Designed to improve module performance and energy utilization.
1/3 Cell Technology: Helps reduce current losses and hot-spot risks.
Low Temperature Coefficient: Pmax temperature coefficient of -0.29%/°C helps maintain performance in hot conditions.
Low First-Year Degradation: Less than 1% first-year degradation according to the provided specifications.
Durable Double-Glass Construction: Features 2.0mm heat-strengthened glass on both front and rear sides.
High Mechanical Load Capacity: Supports up to 5400 Pa front and 2400 Pa rear loads.
IP68 Junction Box: Provides protection against water and environmental exposure.
1500V DC System Voltage: Suitable for high-voltage solar PV system configurations.

Technical Specifications

Specification	Details
Solar Panel Name	TCL 620W N-Type TOPCon Bifacial Double Glass
Model	G12R-68P / HSM-GRA-NM610~635
Type	N-Type Bifacial Double Glass Module
Maximum Power (Pmax)	620W
Cell Technology	N-Type TOPCon
Wafer Technology	210R
Number of Cells	204 (6 × 34)
Module Efficiency	22.7%
Open Circuit Voltage (Voc)	49.40V
Short Circuit Current (Isc)	15.63A
Maximum Power Voltage (Vmp)	42.00V
Maximum Power Current (Imp)	14.77A
Power Tolerance	0 to +5W
Bifaciality	80 ± 5%
Dimensions	2413 × 1134 × 30 mm
Weight	33.5 kg
Front Glass	2.0mm High Transmission Heat-Strengthened Glass
Back Glass	2.0mm Heat-Strengthened Glass
Frame Material	Anodized Aluminium Alloy
Junction Box	IP68
Cable	4.0mm², +350mm / -280mm, ±1400mm, Customizable
Bypass Diodes	3
Maximum System Voltage	1500V DC
Maximum Series Fuse Rating	30A
Operating Temperature	-40°C to +85°C
Mechanical Load	5400 Pa Front / 2400 Pa Back
Pmax Temperature Coefficient	-0.29%/°C
Voc Temperature Coefficient	-0.25%/°C
Isc Temperature Coefficient	+0.045%/°C
Nominal Module Operating Temperature	43 ± 2°C
Product Warranty	15 Years
Linear Performance Warranty	30 Years

Performance & Reliability

The TCL 620W TOPCon Solar Panel is designed for reliable solar energy generation across different operating conditions. Its N-Type TOPCon technology, low -0.29%/°C Pmax temperature coefficient, and bifacial construction make it suitable for installations where high energy yield and long-term performance are important.

The panel offers less than 1% first-year degradation according to the provided specifications, followed by a long-term linear performance warranty. It includes a 15-year product warranty and 30-year linear performance warranty.

Why Choose TCL 620W Bifacial Solar Panel?

The TCL 620W N-Type TOPCon Bifacial Solar Panel combines high power output, advanced TOPCon technology, 210R wafer technology, bifacial energy generation, and durable double-glass construction. It is a suitable option for customers searching for a 620W bifacial solar panel, N-Type TOPCon solar panel, or high-efficiency double-glass solar panel.