What does off-grid and on-grid mean ?

On-grid simply means solar power equipment (array or solar panel) is connected to the electrical grid, while off-grid refers to systems that are not connected to the grid and therefore store the generated power for later use.

Why is my solar panel under producing ?

Solar panel performance may be hindered for a number of reasons. Most commonly environmental conditions such as indirect sunlight, temperature rise, cloudy sky, and dirt and stain build up on the top glass will cause a reduced power output.

How should I connect solar panels in my electrical circuit (series vs parallel)

Connecting solar panels in series will have the effect of adding up their operating voltage output, while system current output will be the same as that for one panel. While, connecting solar panels in parallel will have a different effect;

How many solar panels do I need ?

To determine solar panel needs, calculate the power load (Watts) and capacity (Watt-hours). Size the battery bank based on minimum capacity, then adjust panel quantity or power input accordingly.

What is the meaning of 12V in the product title，Why is this value different from the voltage of the solar panel？

When you open the product page, you will see a title like "xxx Watt 12 Volt Solar Panel". The "12V" here does not refer to the voltage of this solar panel (VOC or VMP), but to the fact that one xxxW solar panel is suitable for 12V system.

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☀️ Power your freedom with Renogy’s compact solar powerhouse!

PLUG PLAY READY - Pre-drilled holes, solar leads, and junction box make installation and expansion effortless for any off-grid setup.
COOL UNDER PRESSURE - Low temperature coefficient (-0.29%/℃) means less power loss in scorching heat—summer-proof your energy.
COMPACT LIGHTWEIGHT - 11% smaller and 8% lighter design fits perfectly in tight RV or van spaces without sacrificing power.
POWER PACKED EFFICIENCY - Harness 25% conversion efficiency with A+ grade N-type cells—20W more than standard panels.
BUILT TO BRAVE THE ELEMENTS - IP65-rated aluminum frame and tempered glass ensure decades of reliable, weather-resistant performance.

The Renogy 100 Watt 12 Volt Monocrystalline Solar Panel delivers industry-leading 25% efficiency using advanced 16BB N-type cells, producing 20W more power than typical 100W panels. Its compact, lightweight design is perfect for RVs, boats, and off-grid living, while IP65-rated durability and a low temperature coefficient ensure reliable, long-lasting performance in all weather conditions. Backed by a 10-year warranty and 25-year power output guarantee, it’s a smart, future-proof investment in clean energy.

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Brand	Renogy
Material	Aluminium, Glass, Monocrystalline Silicon, Polycrystalline Silicon
Product Dimensions	106.2L x 53.1W x 3.6H Centimeters
Item Weight	13 Pounds
Efficiency	High Efficiency
Included Components	Adapter
AC Adapter Current	5.31 Amps
Maximum Voltage	12 Volts
Maximum Power	100 Watts
UPC	816360028796
Global Trade Identification Number	00816360028796
Output Voltage	12 Volts
Manufacturer	Renogy
Item model number	Renogy Solar Panels 100 Watt 12 Volt
ASIN	B07GF5JY35

Renogy 100 Watt 12 Volt Monocrystalline Solar Panel, Compact Design 42.2 X 19.6 X 1.38 in, High Efficiency Module PV Power for Battery Charging Boat, Caravan, RV and Any Other Off Grid Applications

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