We may earn a small commission on purchases made through our links.

Find any Amazon.com product's deals and best prices with our free Amazon deal finder and price tracker. Simply paste the product link (URL) or search by name in the box above. You'll get full product information, Deal Score, and all current deals. Shop smarter with the best Amazon deals finder in the USA.

x
Sorry, Something went wrong!
EnginStar

EnginStar 40W Foldable Solar Panel for Power Station

✅ In stock 📉 Price recently dropped
C
Grade
🙂 Fair Price
57.32/100
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$39.99
Listed $49.99
Save $10.00 20% OFF
Analysis Confidence 85%
Check Deal at Amazon
Price verified Sep 29, 2026 2:39 PM · Prices & availability subject to change

Is This a Good Price on Amazon?

🙂 Fair Price
  • 🙂Verdict: Fair Price. Small discount vs history. Consider waiting for a better drop.
  • 💰At 17% off its standard going rate, this offer delivers clear value for the money.
  • 🏷️A 20% cut from the official retail price adds further appeal.
  • 📉This is the most affordable price seen in roughly three months — a solid near-term opportunity.
  • ➡️Pricing has held fairly steady, with no strong push in either direction.

How We Scored This Deal

Price Competitiveness 17.69/28
Recent Value 8.63/22
Market Standing 20/20
Deal Strength 7/20
Momentum 4/10

📝 Product Overview

🏪 Sold by EnginStar US
📦 Fulfillment Fulfilled by Amazon
🚚 Shipping Free Shipping

Product Details

✓【Wide Compatibility】40W solar panel for power station come with 10*DC adapters, compatible with most portable power stations/solar generators on the market.
✓【Upgraded 3 Output Ports】Built in 1* USB-A and1*USB-C output ports,1* DC output (18V/2.27A Max). Each usb ports is max 18w(5v-3A/9V-2A/12V-1.5AMAX),can charge directly your cell phones,power banks, usb fans, flashlights,tablets,watches,headphones and other medium small usb electronic devices in the sunlight. Perfect for your power emergency outdoor and offer you green gratis energy.Note: All solar panels chargers cann't store the power.
✓【Portable Camping Solar Panel】Made for mobile camps and off-grid adventures, the 40W foldable solar panel is perfect for longer trips when you need more power without sacrificing portability. With a small size of 12.6x 9.1x 2 inches (when folded) and a lightweight design of 3.3lbs that can be easily squeezed into your backpack, offering portability and simplicity.It is also a must have for stashing in an emergency kit.
✓【High Solar Conversion】Our solar panels made of the cells with high quality monocrystalline silicon can effectively convert solar energy into green electricity needed by human beings and the conversion rate is up to 24%. It generates more electricity than other cells of the same size, perfectly solving the need for power emergency outdoor. Note: solar panels must be put in direct sunlight to power your electrinic devices.
✓【Package & Support】You will get 1*Enginstar 40W Solar Panel, 1*DC cord 5521, 1*changeable 10-in-1 DC head, and 1*User Manual. Note:Any clouds or coverings can affect the charging speed, although our solar chargers have an automatic restart feature, which we still no recommend. If you encounter any problems, please feel free to contact us and we will reply within 24 hours.

⚙️ Specifications

Brand
EnginStar
Material
Monocrystalline Silicon
Product Dimensions
41.2"L x 13.6"W x 2"H
Item Weight
3.3 pounds
Efficiency
High Efficiency
Amperage Capacity
2.6 A
Maximum Voltage
12 volts
Maximum Power
40 watts
Special Features
High efficiency solar cells, QC3.0 USB port, 12-15V DC output, 10 included connectors, foldable design
Connector Type
USB
Item Dimensions L x W x H
41.2"L x 13.6"W x 2"H
C
$39.99
Check Deal →