Manufacturer | FlexSolar |
---|---|
Part Number | HD-S40-DE |
Product Dimensions | 12 x 9.8 x 0.7 cm; 91 g |
Item model number | HD-S40-DE |
Size | 40W |
Colour | 40w |
Style | Modern |
Material | Monocrystalline Silicon |
Power Source | Solar Powered |
Wattage | 40 watts |
Maximum power | 40 Watts |
Plug profile | Tabletop Mount |
Special Features | Lightweight Design, Waterproof |
Included Components | Instruction Manual |
Batteries included? | No |
Batteries Required? | No |
Item Weight | 91 g |
Add Extra Protection? Check if this cover meets your needs
- IS THIS COVER RIGHT FOR YOU? This insurance has been designed to protect your product against accidental damage and breakdown (not already covered by the seller and/or manufacturer guarantee) for 2 years. For full details, please read the Insurance Product Information Document (IPID) and policy terms using the links provided above.
- COVERAGE AND BENEFITS: Protecting you against the costs of replacing your product should it suffer accidental damage (e.g. drops, falls, liquids, fire) or electrical or mechanical breakdown. Going above and beyond the seller and/or manufacturer guarantee. With no excess payment to make in the event of a claim.
- CLAIMS PROCESS: No need to wait for a repair. Once your claim has been approved, we will immediately email you an Amazon e-gift card to the value of a replacement. Upon e-gift card settlement or replacement, your policy will end. 98% of claims accepted*. Average claim handling time is 2 days* (from assessment to settlement). *Assurant monthly performance statistics (avg. Jan-24 to Jun-24).
- RESTRICTIONS: Cover is for UK residents (excluding Channel Islands and Isle of Man) aged 18 years and over. The following is not covered – Theft, loss, cosmetic damage, malicious damage, not taking reasonable care or improper use (as defined in T&Cs), virus or software problems. If you are unable to provide the insured product at point of claim for inspection it will be classed as lost and not covered.
- CANCELLATION: Full refund within 45 days, thereafter you will receive a partial refund based on how many full unexpired days of cover are remaining.
- IS THIS COVER RIGHT FOR YOU? This insurance has been designed to protect your product against accidental damage and breakdown (not already covered by the seller and/or manufacturer guarantee) for 3 years. For full details, please read the Insurance Product Information Document (IPID) and policy terms using the links provided above.
- COVERAGE AND BENEFITS: Protecting you against the costs of replacing your product should it suffer accidental damage (e.g. drops, falls, liquids, fire) or electrical or mechanical breakdown. Going above and beyond the seller and/or manufacturer guarantee. With no excess payment to make in the event of a claim.
- CLAIMS PROCESS: No need to wait for a repair. Once your claim has been approved, we will immediately email you an Amazon e-gift card to the value of a replacement. Upon e-gift card settlement or replacement, your policy will end. 98% of claims accepted*. Average claim handling time is 2 days* (from assessment to settlement). *Assurant monthly performance statistics (avg. Jan-24 to Jun-24).
- RESTRICTIONS: Cover is for UK residents (excluding Channel Islands and Isle of Man) aged 18 years and over. The following is not covered – Theft, loss, cosmetic damage, malicious damage, not taking reasonable care or improper use (as defined in T&Cs), virus or software problems. If you are unable to provide the insured product at point of claim for inspection it will be classed as lost and not covered.
- CANCELLATION: Full refund within 45 days, thereafter you will receive a partial refund based on how many full unexpired days of cover are remaining.
Add Extra Protection? Check if this cover meets your needs

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FlexSolar 40W Solar Panel, USB-C(PD2.0),USB-A (QC3.0) Portable Foldable USB Solar Charger, Power Emergency IP67 Waterproof Camping Hiking Backpacking Outdoor for Phones Power Banks Tablets
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Purchase options and add-ons
Brand | FlexSolar |
Connector type | USB |
Compatible devices | Tablets |
Compatible phone models | iPhone, Sumsung, Huawe, Xiaomi, etc |
Included components | Instruction Manual |
Cable length | 8.5 Inches |
Special feature | Lightweight Design, Waterproof |
Colour | 40w |
Input voltage | 13.9 Volts |
Amperage | 2.9 Amps |
About this item
- 【Dual USB Solar Chargers】☀ Built in 1* USB-A and1*USB-C output ports. Each usb ports is max 18w(5v-3A/9V-2A/12V-1.5AMAX),can charge directly phones, power banks, usb fans, flashlights, tablets, watches, headphones and other medium small usb electronic devices in the sunlight. Perfect for your outdoor power emergency. Note: All solar panels chargers cann't store the power. "
- 【Portable Solar Panels 】☀ 4 foldable panel with 3.3lbs (1500g) lightweight design. Unfolded size: 35.9x12x0.6; Folded size: 12x9.8x0.7, similar with pad. Easily store in backpack or hold in hand. 4 hanging holes and 2 carabiners make the camping solar panel convenient to hang on the backpack while hiking. Perfect for outdoor emergency power use or DIY solar electronic projects.
- 【Smart Charging Sun Power Panels】☀ Integrated IC achieves auto-restart function which allows consistent charging when moving in or out of the shadow. The 40w panel detects connected devices and provides the optimized charging. The LED light shows the charging status. FlexSolar ensure safe charging with overcurrent, overheating and short-circuit protection. "
- 【Rugged Solar Panels】☀ Utilizes ETFE film lamination and encapsulation technologies which provide wear resistance and self-cleaning. The IP67 good waterproof and dustproof properties make solar panel chargers more rugged,can work under unexpected weather. Also, etfe solar panels are thin and flexible, last longer than other PET solar panels. Note: the junction box isn’t waterproof. "
- 【24% High Solar Conversion】☀ FlexSolar small solar panels is made of Grade A+ monocrystalline silicon, which effectively converts solar energy into green electricity needed. The conversion rate is up to 24%. It generates more electricity than other cells of the same size. Note: solar panels must be put in direct sunlight to power your electrinic devices.
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Product Description

USB-C and USB-A Fast Charging for Multible USB Devices

Outstanding Solar Panel Qualities

Foldable 4 panels
Only 1300G, easy to pack or hang on backpacking / tent / campervan while hiking, camping and travelling.

High conversion efficiency
Up to 24% conversion efficiency, smaller size but more power than other panels.

IP67 rated waterproof
Waterproof and dustproof, no worries of unexpectable outdoor weather conditions.

Safely certificated
With FC CE and ROHS certifications.
FlexSolar Panel of Different Models
![]() 20W Solar Charger
Add To Basket
| ![]() 40W Solar Charger
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| ![]() 30W Solar Charger | ![]() 60W Solar Charger
Add To Basket
| ![]() 15W Solar Charger | |
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Customer Reviews
|
4.2 out of 5 stars 649
|
4.2 out of 5 stars 928
|
4.2 out of 5 stars 170
|
4.4 out of 5 stars 437
|
4.2 out of 5 stars 649
|
Price
| £33.77£33.77 | £69.89£69.89 | — | £83.99£83.99 | — |
Rated Peak Power
| 20W | 40W | 30W | 60W | 15W |
MaximumPowerVoltage(Vmp)
| 7V | 19.8V | 19.8V | 19.8V | 5.5V |
Module Efficiency (%)
| 24% | 24% | 24% | 24% | 24% |
Waterproof
| IP67 rated | IP67 rated | IP67 rated | IP67 rated | IP67 rated |
Solar Cell Type
| Monocrystalline | Monocrystalline | Monocrystalline | Monocrystalline | Monocrystalline |
Product information
Technical Details
Additional Information
ASIN | B0C4H768QJ |
---|---|
Customer Reviews |
4.1 out of 5 stars |
Best Sellers Rank | 8,811 in Business, Industry & Science (See Top 100 in Business, Industry & Science) 54 in Monocrystalline Solar Panels 55 in Mobile Phone Solar Chargers |
Date First Available | 27 May 2023 |
Warranty & Support
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FlexSolar 40W Solar Panel, USB-C(PD2.0),USB-A (QC3.0) Portable Foldable USB Solar Charger, Power Emergency IP67 Waterproof Camping Hiking Backpacking Outdoor for Phones Power Banks Tablets
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Customer reviews
Customer Reviews, including Product Star Ratings, help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers find the solar panel well-built with a fabulous design and appreciate its small size, with one customer noting it's a lightweight 60W panel. Moreover, the charging speed is positive, as it charges power banks quickly. However, the functionality receives mixed feedback, with some saying it works well while others report it doesn't work for long.
AI-generated from the text of customer reviews
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Customers find the solar panel well built.
"Very good product" Read more
"...Seems well built and folds down to a nice size, about laptop size. But could do with a closing clip or velcro tab...." Read more
"...Seems well built and folds down to a nice size." Read more
"...This would make it more dependable and that would make it popular. :)" Read more
Customers appreciate the solar panel's design, with one mentioning its lovely carrying case.
"...this solar panel, it comes with different accessories and a lovely carrying case...." Read more
"I haven’t had the chance to try it yet, so I will review it later. Fabulous design." Read more
"...The product arrived well packed and the carry case was good. Tested it to power up an Anker Power bank and it worked well...." Read more
"...Works well and even in cloudy conditions. Looks great and Packs really well as well...." Read more
Customers appreciate the compact size of the solar panel, with one customer noting its lightweight 60W design.
"...Overall, 40w, small, light and easy to pack away. Charges phones and power banks quickly on a bright day and slower obviously on overcast...." Read more
"...Cracking unit to charge powerbanks & small electronic devices. 20,000 Mha batt pack takes about 5 hours...." Read more
"I liked the idea that it was a light weight 60W solar panel that was portable had its own stand and had an inbuilt USB A & C capability along with..." Read more
"Great portable Solar..." Read more
Customers report that the solar panel charges power banks quickly.
"...Charges phones and power banks quickly on a bright day and slower obviously on overcast. But early days and will keep posted if any change." Read more
"...Tried it in overcast weather in the uk and it charged the power bank quite quickly. Seems well built and folds down to a nice size." Read more
"This is a great solar panel when it comes to fast charging. Works well and even in cloudy conditions...." Read more
Customers have mixed experiences with the solar panel's functionality, with some saying it works well while others report that it doesn't work for long.
"...Panels work best out in the open, not behind glass windows. Super product when discounted offer is available." Read more
"...went to use it a couple of days later and the panel just was not outputting much even in direct sunlight...." Read more
"This Solar panel performs well , easy to setup, I’ve seen a output upto 54W on my Bluetti EB3A, I’ve seem this nearly match my other 100w panel,..." Read more
"It does the job but very slow." Read more
Reviews with images

Excellent product
Top reviews from United Kingdom
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- Reviewed in the United Kingdom on 21 November 2023Size Name: 60WVerified PurchaseFlexSolar 60W Portable Solar Panel - I love this solar panel, it comes with different accessories and a lovely carrying case.
I have used it in November when sun was up and I managed to charge my power station with 52W Maximum.
I definitely recommend.
- Reviewed in the United Kingdom on 9 July 2024Size Name: 40WVerified PurchaseCould not quite give it 5 stars. While I think it is good. Think a little overpriced and a few things needed like clasp for closing or a little storage etc.
First this is the newer Flexsolar 40w as have noticed it is easy in these reviews to get the wrong info. Seems a mix of the 40w's and the 60 & 80w. They are all diffrent and made differently.
They always ask for reviews as soon as you receive, but need to leave a while. With my limited time I have had it, a couple of months. It is brilliant and does all I want. Charging small items.
This came quickly and a replacement for the older 40w version of solar panel i accidentally ordered. So be careful when ordering as easy to buy the wrong one, especially when going back and forth comparing.
It’s charges my phones, power banks, camping lights, torches or any small/medium sized rechargable device for that matter. I am very pleased with this Solar pad. Definitely a must have.
Tried it in overcast weather here in the uk and it charged power banks and phones quite quickly still. Seems well built and folds down to a nice size, about laptop size. But could do with a closing clip or velcro tab.
Overall, 40w, small, light and easy to pack away. Charges phones and power banks quickly on a bright day and slower obviously on overcast. But early days and will keep posted if any change.
- Reviewed in the United Kingdom on 10 June 2024Size Name: 40WVerified PurchaseThe media could not be loaded.
Panels work best out in the open, not behind glass windows.
Super product when discounted offer is available.
- Reviewed in the United Kingdom on 30 April 2025Size Name: 40WVerified PurchaseIt’s either faulty or it’s just bad.
Will be returning!
Power levels stay @ 0.7W in 24DegC Sunshine… tried it over 2 days … different cables, different set-ups… same result!
- Reviewed in the United Kingdom on 23 August 2024Size Name: 60WVerified PurchaseThis Solar panel performs well , easy to setup, I’ve seen a output upto 54W on my Bluetti EB3A, I’ve seem this nearly match my other 100w panel, also doesn’t seem to shut down in very hot weather like other panels.
- Reviewed in the United Kingdom on 20 June 2024Size Name: 40WVerified PurchaseBought for a trip almost off grid to Africa this summer so we can charge power banks during the day to charge phones at night. Tried it in overcast weather in the uk and it charged the power bank quite quickly. Seems well built and folds down to a nice size.
- Reviewed in the United Kingdom on 4 December 2024Size Name: 40WVerified PurchaseI haven’t had the chance to try it yet, so I will review it later. Fabulous design.
Top reviews from other countries
-
İslam GölgeReviewed in Turkey on 27 April 2024
5.0 out of 5 stars İyi
Size Name: 40WVerified PurchaseKaliteli görünüyor
- Jason KoenigReviewed in Canada on 21 April 2025
5.0 out of 5 stars Excellent solar panel, well-made durable
Works as advertised. Excellent quality looks good.
-
KindleユーザーReviewed in Japan on 9 August 2024
5.0 out of 5 stars お手軽
展開、取り回しが楽で初心者に良いかもです。価格は安く効率も比較的良くて防災用に心強いですね。
- User2025frReviewed in Japan on 25 March 2025
5.0 out of 5 stars Working well
Size Name: 40WVerified PurchaseWorking well to charge iPhone but you need 10h at least ;-)
- Ronnie D. FeilReviewed in the United States on 15 September 2024
5.0 out of 5 stars Excellent emergency power!
Size Name: 40WVerified PurchaseThis 40w can charger my phone 10% faster than my electric fast charger at home. This is a great portable power that's ready anytime on the go!
Product summary presents key product information
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Product Summary: FlexSolar 40W Solar Panel, USB-C(PD2.0),USB-A (QC3.0) Portable Foldable USB Solar Charger, Power Emergency IP67 Waterproof Camping Hiking Backpacking Outdoor for Phones Power Banks Tablets
From FlexSolar
4.1 out of 5 stars, 360 ratings
Customer reviewsAbout this Item
- 【Dual USB Solar Chargers】☀ Built in 1* USB-A and1*USB-C output ports. Each usb ports is max 18w(5v-3A/9V-2A/12V-1.5AMAX),can charge directly phones, power banks, usb fans, flashlights, tablets, watches, headphones and other medium small usb electronic devices in the sunlight. Perfect for your outdoor power emergency. Note: All solar panels chargers cann't store the power. "
- 【Portable Solar Panels 】☀ 4 foldable panel with 3.3lbs (1500g) lightweight design. Unfolded size: 35.9x12x0.6; Folded size: 12x9.8x0.7, similar with pad. Easily store in backpack or hold in hand. 4 hanging holes and 2 carabiners make the camping solar panel convenient to hang on the backpack while hiking. Perfect for outdoor emergency power use or DIY solar electronic projects.
- 【Smart Charging Sun Power Panels】☀ Integrated IC achieves auto-restart function which allows consistent charging when moving in or out of the shadow. The 40w panel detects connected devices and provides the optimized charging. The LED light shows the charging status. FlexSolar ensure safe charging with overcurrent, overheating and short-circuit protection. "
- 【Rugged Solar Panels】☀ Utilizes ETFE film lamination and encapsulation technologies which provide wear resistance and self-cleaning. The IP67 good waterproof and dustproof properties make solar panel chargers more rugged,can work under unexpected weather. Also, etfe solar panels are thin and flexible, last longer than other PET solar panels. Note: the junction box isn’t waterproof. "
- 【24% High Solar Conversion】☀ FlexSolar small solar panels is made of Grade A+ monocrystalline silicon, which effectively converts solar energy into green electricity needed. The conversion rate is up to 24%. It generates more electricity than other cells of the same size. Note: solar panels must be put in direct sunlight to power your electrinic devices.
Product description
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