Sunpal 50W 55W 36-Cell Mono Solar Panel for Off-Grid Applications

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ELECTRICAL DATA(STC)
Model Type	SP50M-36	SP55M-36
Peak Power(Pmax)	50W	55W
Maximum Power Voltage(Vmp)	19.72	20.54
Maximum Power Current(Imp)	2.54	2.68
Open Circuit Voltage(Voc)	23.29	23.79
Short Circuit Current(Isc)	2.68	2.82
Module Efficiency(100%)	16.24	17.87
* STC: irradiance 1000 W/m2, AM 1.5G, and cell temperature of 25°C Operating and Storage Temperature(℃)

TEMPERATURE&MAXIMUM RATING
Maximum System Voltage(V)	1000
Maximum Series Fuse Rating(A)	10
Power Tolerance	0~+3%
Pmax Temperature Coefficients(W/°C)	-0.350%
Voc Temperature Coefficients(V/°C)	-0.270%
Isc Temperature Coefficients(A/°C)	+0.048%
NOCT Nominal Operating Cell Temperature(℃)	45±2

Q : 1. What can this solar panel power? A : This panel is ideal for charging 12V battery systems, suitable for lighting, small appliances, and outdoor off-grid setups.
Q : Q1: What applications is this 50W solar panel suitable for? A : A1: This panel is ideal for off-grid systems such as RVs, boats, cabins, garden lighting, or surveillance equipment.
Q : Q2: Can the panel generate power on cloudy days? A : A2: Yes, although efficiency may decrease, the panel can still generate electricity under diffused sunlight.
Q : Q3: What is the expected lifespan of this solar panel? A : A3: It comes with a 12-year product warranty and a 25-year linear power output warranty. Actual lifespan typically exceeds 25 years.
Q : Q4: Do I need a professional to install it? A : A4: The panel is lightweight and compact, so users with basic skills can install it themselves. However, professional installation is recommended for system safety and optimization.
Q : Q5: How should I maintain the panel for optimal performance? A : A5: Regularly clean the glass surface and ensure there is no shading. Also, inspect cables and mounting structures periodically.