Price: $44.99
(as of Jan 17, 2026 09:37:21 UTC – Details)

Product description

RV

1 Car

2 RV

3 Marine

4 Camping

Specifications

Maximum Power at STC 50w Maximum Power Voltage 20.16V Maximum Power Current 2.51A Open-circuit Voltage 23.51V Short-circuit Current 2.64A Maximum System Voltage 1000V DC Maximum Series Fuse Rating 10A Cell Type Monocrystalline Silicon Cell Efficiency 25% Dimension 23.9×22.7×1.1in Weight 9 lbs IP Rating IP67 Max. Wind Load/Snow Load 2400Pa/5400Pa Frame Anodized Aluminium Alloy Glass 3.2mm Tempered Glass

Why is the measured power output often lower than the rated power for solar panels?

The rated power is based on ideal Standard Test Conditions (STC), which rarely match real-world conditions. As a result, actual power is often lower than the rated power.

How does the 16BB (Busbar) technology improve performance?

The 16BB technology boosts solar panel efficiency and reliability by minimizing energy loss during transmission. More busbars improve conduction, leading to higher power output and better performance, especially in high temperatures.

What advantages does an N-type solar panel have over a P-type solar panel?

N-type solar panels offer higher efficiency, better performance in high temperatures and low light, greater resistance to light-induced degradation (LID), and a longer lifespan, making them more reliable and durable over time.

Can this panel be used with different solar generators or battery systems?

Yes, the 50W N-type 16BB solar panel is compatible with most popular solar generators and battery systems. It comes equipped with standard solar extension connectors, making it easy to integrate with a wide range of solar power setups.

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.

You May Need Other Callsun Solar Panels or Accessories

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Customer Reviews

4.6 out of 5 stars 145

4.8 out of 5 stars 6

4.7 out of 5 stars 9

4.8 out of 5 stars 11

4.8 out of 5 stars 10

3.6 out of 5 stars 4

4.6 out of 5 stars 9

Price

$63.73$63.73

$35.99$35.99

$46.99$46.99

$27.99$27.99

$9.99$9.99

$15.99$15.99

$8.99$8.99

Function

Generate Clean Energy

Fix & Support Solar Panels

Fix & Support Solar Panels

Extend Use Distance

Parallel Connector

Charge Management & Protection

Fixed Solar Panel

Material

Monocrystalline Silicon

Copper/Plastic

Aluminum Alloy

Aluminum Alloy

Metal/Plastic

Metal/Plastic

Aluminum Alloy

Specifications

N-type 16BB 100w

Tilt Angle 15°-30°

41in

20FT 10AWG

2 Units

20A 12/24V

4 Units

Weight

11.4lbs

4.0 lbs

5.69 lbs

2.4 lbs

0.2 lbs

0.46 lbs

0.55 lbs

Compatible Callsun

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N-type Solar Cell,25% Conversion Efficiency: The Callsun 50 watt solar panel is made of N-type solar cells which delivering an impressive conversion efficiency of 25%. Compared to traditional P-TYPE solar cells(highest 23.5%), N-Type solar cells,offer higher conversion efficiency and typically provide greater power output under the same design
16BB Solar Cell Design: Compared with traditional 9BB/10BB solar cells, the Callsun 50W 16bb solar panel features advanced 16BB technology that boosts photoelectric conversion efficiency, minimizes the risk of hot spots, and reduces the impact of micro-cracks. This cutting-edge design ensures enhanced durability, superior module performance, and a longer service life, making it a reliable choice for all your solar power needs
Compact and Lightweight Design: With its portable and lightweight build, this 50w monocrystalline solar panel is easy to install and carry. Pre-drilled holes make it suitable for a variety of mounting options, whether on RVs, boats, or small-scale solar power systems
Durable & Long-Lasting Performance: The weather-resistant 12 volt solar panel is built to last with low-iron tempered glass, corrosion-resistant aluminum frames, and IP67 waterproof protection,Its robust construction ensures reliable performance for up to 30 years, even under challenging conditions
Wide Compatibility: Compatible with most PWM and MPPT solar controllers, as well as 12V batteries including AGM, GEL, and lithium types. It’s ideal for powering small devices, off-grid setups, and portable applications, offering versatile energy solutions for various scenarios
10-Year Tech Support & 20-Year Performance Guarantee: We offer 10-year tech support for materials and workmanship, and a 20-year guarantee to maintain 84.5% output. If you have any problems with the solar panel 50 watt , please reach out to us!