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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Renogy Solar Panel

Product ID: 299630058

Details

Brand
Renogy
Efficiency
22%
Item weight
5.9 kg
Material
Aluminum Glass
Product dimensions
106.2L x 53.1W

⚡100W high-efficiency power output

🔋22% PERC cell efficiency

🛠️IP65 weatherproof durability

MOP$4875

Duties & taxes included

In stock

Sold byAmazon MacauDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

☀️ Power your off-grid lifestyle with Renogy’s sleek, durable, and ultra-efficient solar panels!

LONG TERM PEACE OF MIND - Backed by a 10-year workmanship warranty and 25 years of 80%+ power output.
PLUG PLAY INSTALLATION - 20 pre-drilled holes for fast mounting with Renogy’s versatile bracket system.
LIGHTWEIGHT SPACE SAVVY - Compact design weighs just 14.1 lbs—8-10% lighter and smaller than typical panels.
BUILT TO BRAVE THE ELEMENTS - IP65-rated, corrosion-resistant frame and tempered glass ensure decades of reliable performance.
MAXIMIZE YOUR ENERGY HARVEST - Cutting-edge 9 bus-bar & half-cell tech boosts efficiency and reduces power loss.

The Renogy 100W Monocrystalline Solar Panel features advanced 9 bus-bar and half-cell technology delivering 22% efficiency. Built with IP65 weatherproofing, tempered glass, and corrosion-resistant aluminum, it’s designed for long-lasting outdoor use. Compact and lightweight at 14.1 lbs, it supports quick installation with 20 pre-drilled holes and is ideal for RVs, marine, rooftop, and off-grid applications. Comes with a 10-year workmanship warranty and guarantees over 80% power output for 25 years.

Specifications

Color	2-Pack 100W
Size	100W 2-Pack Panels
Style	Solar Panel
connector-type	Solar Connector
Shape	Rectangular
Material Type	Tributyltin,Tempered Glass,Aluminium,Polyamide,Ethylene Vinyl Acetate,Monocrystalline Silicon
Number of Items	2
Power Source	Solar Powered
Features	Compact and Reliable, Superior Quality and Material, Advanced Solar Cell Tech and Panel Structure, Built to Last, Fast and Easy Installation, Proven Durable Quality
Wattage	100 watts
Included Components	2x100w solar panels
Batteries Included?	No
Brand	Renogy
Manufacturer	Renogy
Item model number	Renogy 2PCS Solar Panels
Product Dimensions	106.17 x 53.09 x 3.56 cm; 6.49 kg
ASIN	B07JXYTFF7

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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The delivery time was excellent, and the packaging was secure.

2 months ago

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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MOP$4875

Duties & taxes included

In stock

Sold byAmazon MacauDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Macau.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

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