Does a Solar Panel produce full power?

In most cases, it is normal for a solar panel to not be able to provide its full nominal power. Factors affecting the performance of solar panels: Peak Sun Hours， Sunlight Angle， Operating Temperature， Installation Angle， Panel Shading, Etc...

How to test a solar panel?

The ideal conditions: Noon, clear sky, 25° tilt to the sun, battery is less than 40% SOCC. Disconnect the solar panel from any other loads, using a multimeter to test the panel's current and voltage.

How does temperature affect solar panel efficiency?

Solar Panel Efficiency & Temperature: -Test Temp: 77°F/25°C; -Peak Efficiency Range: 59°F/15°C to 95°F/35°C; -Temp Impact: Efficiency decreases with temperature rise. -Example: Temp coefficient of -0.5% → Power reduces by 0.5% per 50°F/10°C rise.

How to install our solar panels using different brackets?

There are mounting holes on the panel frame for easy installation using a variety of brackets. Most compatible with Newpowa's Z-mount, tilt-adjustable mount, and pole/wall mount, making panel mounting suitable for a variety of applications.

Can I connect different solar panels together?

Though mixing different solar panels is not recommended, the mismatch can be achievable as long as each panel’s electrical parameters (voltage, current, wattage) are carefully considered.

120w Mono Solar Panel | Desertcart Sri Lanka

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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₨152533

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In stock

Sold byAmazon Sri LankaDelivered 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 Sri Lanka.

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Description

☀️ Power your future with efficiency that lasts a lifetime!

COMPACT YET POWERFUL - Sleek 42.91 x 22.83 in frame packs a robust 120W punch for your off-grid needs.
NEXT GEN 10 BUSBAR CELLS - Double the busbars, double the efficiency and lifespan—outperforming traditional 5BB panels.
PLUG PLAY INSTALLATION - Pre-installed diodes and 3ft MC4 cables make setup effortless—get powered faster.
DECADES OF RELIABLE POWER - Guaranteed >90% output for 10 years and >80% for 25 years—invest in long-term energy freedom.
BUILT TO BRAVE THE ELEMENTS - Rugged anodized frame and tempered glass designed to withstand wind, hail, and snow.

The Newpowa 120W monocrystalline solar panel features advanced 10 busbar technology for superior efficiency and durability. Measuring 42.91 x 22.83 inches, it delivers a maximum power output of 120W with a voltage of 38.16V and current of 3.15A. Designed for easy installation, it includes pre-installed diodes and pre-attached MC4 cables. Built with a rugged anodized frame and tempered glass, it withstands harsh weather conditions. Backed by a 2-year workmanship warranty and a 25-year power output guarantee, this panel is ideal for reliable off-grid solar solutions.

Specifications

ASIN	B07H4HS7QM
Amperage Capacity	3.52 Amps
Best Sellers Rank	#58,745 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #206 in Solar Panels
Brand	Newpowa
Brand Name	Newpowa
Connector Type	MC4
Customer Reviews	4.4 out of 5 stars 86 Reviews
Efficiency	High Efficiency
Included Components	Pre-attached 3ft wire with connectors (M/F), Heavy-duty anodized frame, Pre-drilled holes for mounting, Possible mounting hardware, and Other components necessary for specific use-cases Included Components Pre-attached 3ft wire with connectors (M/F), Heavy-duty anodized frame, Pre-drilled holes for mounting, Possible mounting hardware, and Other components necessary for specific use-cases See more
Item Dimensions L x W x H	42.91"L x 22.83"W x 1.18"H
Item Type Name	Solar Panel
Item Weight	16 Pounds
Manufacturer	Newpowa
Manufacturer Part Number	NPA120S-24I
Material	Monocrystalline Silicon
Material Type	Monocrystalline Silicon
Maximum Power	120.00
Maximum Voltage	24 Volts
Model Number	NPA120S-24J
Product Dimensions	42.91"L x 22.83"W x 1.18"H
Special Features	High-efficiency cells with 9 busbars technology, Rugged design to withstand high winds, hail, and snow load, High-transparent, low iron tempered glass, Durable TPT back sheet
Upper Temperature Rating	85 Degrees Celsius

Reviews

B**R

19.06.2023

R**.

4.07.2020

Z**G

12.09.2023

M**S

12.03.2025

D**F

5.09.2024

S**.

26.08.2023

R**T

5.03.2025

S**F

11.07.2024

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₨152533

Duties & taxes included

In stock

Sold byAmazon Sri LankaDelivered 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 Sri Lanka.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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120W Mono Solar Panel

Description

Specifications

Reviews

Common Questions