400W bi-facial monocrystalline solar panel with 60cm cable

Name: 400W bi-facial monocrystalline solar panel with 60cm cable
Brand: RedCap
SKU: SWB-400M
Price: 179.0 EUR
Availability: InStock

4.79 (752 reviews)

€179,00

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check_circle ✨ Easy daily scalp care

check_circle 💡 Red light therapy support

Product variants

400W bi-facial monocrystalline solar panel with 60cm cable

(357 Reviews)

€179,00

Save Sold out

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What’s Included?

Every order comes with the Red Light Therapy Cap and a USB charging cable for convenient charging and everyday use.

If you choose one of the larger bundles, your package may also include a 2-month or 4-month supply of the brand’s botanical hair oil, depending on the option selected at checkout.

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Shipping & Returns

Orders are usually processed within 2–3 working days, Monday to Friday. International delivery typically takes between 7–12 working days.

Please note that weekends and public holidays are not included in processing times.

During periods of high demand, dispatch and delivery may take slightly longer than usual. We appreciate your patience while your order is on its way.

Orders placed later in the week may not be shipped until the following Monday if processing is not completed by Friday evening.

All purchases are covered by a 30-day money-back guarantee. If your item arrives damaged, faulty, or does not meet your expectations, you may request a return within 30 days of delivery.

For shipping enquiries, returns, or general support, please contact the customer service team via the email address provided on the website.

I’ve never bought anything from social media before, but this was worth it. After a a month, my hair actually feels a bit thicker!

Harry B.
I was feeling a lit bit septic about this but after a month using at work I notice a huge diference

Julia D.
GREAT INVESTMENT!!!! 3 MONTHS ONLY AND SAVED ME FROM GOING TO TURKEY FOR A SURGERY

Rob N.

High-Efficiency 400W Bifacial Monocrystalline Solar Panel

Built for maximum output and long-term use, this bifacial solar panel is perfect for off-grid systems, larger campervans and motorhomes, and offers energy-efficient performance year-round. Note: this solar panel is not MCS certified.

Product Overview

This 400W bifacial monocrystalline solar panel is designed for high efficiency and built to endure. It provides reliable solar power for charging any battery systems or directly powering non-sensitive devices like electric motors or pumps.

Capture More Sun with Bifacial Technology

Using both front and rear surfaces, this panel captures ambient reflected light and can boost solar generation by up to 20% depending on placement. Great for rooftops, ground mounts, and vehicle applications.

Durable, Weatherproof Design

With its waterproof, IP-rated construction and durable aluminium frame, this panel is built to perform in all weather conditions, from storms to high heat.

Optimised for Easy Connection

Comes with 60cm of high-temp solar cable and MC4 connectors for a fast setup. Easily integrates with other panels and cables to your solar charge controller or inverter.

Compact Yet Powerful

Thanks to advanced multi-busbar cell technology, you get more energy in a smaller panel — ideal for space-limited installs and hotter climates.

Ideal for 12V Battery Charging

To charge 12V, 24V or 48V batteries, pair this panel with a compatible solar charge controller or inverter. All our controllers and invertters include clear installation guides and wiring diagrams.

Technical Specifications

Peak Power	400W
Max Power Voltage	30.98V
Max Power Current	12.91A
Open Circuit Voltage	37.10V
Short Circuit Current	13.80A
Power Allowance Range	±3%
Dimensions	1722 × 1134 × 30mm
Weight	21.0 kg
Cabling	2 × 60cm 4.0mm² cable
Connector Type	MC4 (male/female)

Warranty

Covered by a 5-year warranty. Solar cell output is guaranteed at 90% for 10 years and 80% for 25 years.

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Elevate your hair care routine

Experience our Red Light Therapy Cap a lightweight device created to support healthier-looking hair growth for both men and women. Designed for comfort, simple to wear, and suitable for everyday use

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Everyday Comfort

Lightweight, breathable, and easy to wear throughout the day. Whether you’re at home, working, or relaxing, the Red Light Therapy Cap fits naturally into your routine. No complicated setup, just simple daily use.

Proven Results

Built to deliver consistent red light therapy, this cap supports healthier, fuller-looking hair with regular use. Many users notice reduced shedding and visible improvements in hair density over time. Designed for long-term consistency and everyday comfort

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Recommended by dermatologists and trichologists

Comparison table

Discover why our RedCap™ delivers superior comfort, enhanced scalp coverage, and a design tailored for everyday wear.

	RedCap™	Others
Even laser distribution
Lightweight and easy to wear
Designed for everyday hair care

How RedCap™ works?

Red light therapy uses clinically studied wavelengths that penetrate the scalp and stimulate cellular activity around the hair follicle. This process supports microcirculation, improves oxygen delivery, and helps energise follicular cells through increased ATP production

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Results

90%

Customers appreciate how effortless the Laser Cap makes daily use

90%

Many users value the lightweight feel and easy-to-follow routine

90%

Reported noticeable improvements to their overall hair care experience

Testimonials

★★★★★

Easy to use every day
I’ve found it incredibly easy to fit into my daily routine. The cap feels comfortable, lightweight, and simple to use every evening
— James, Manchester
★★★★★

Noticeably healthier-looking hair
After a few weeks of consistent use, my hair looked noticeably healthier and my scalp felt much better overall
— Daniel, London
★★★★★

Really works
I appreciate how discreet and practical it is. I can wear it while working and it works suuuuper good
— Sophie, Birmingham

Trustpilot reviews

Excellent 4.8 / 5

Coming back after 50 days to leave this review

I wanted to wait before writing a review and after almost 50 days of using it, I can honestly say I’m very happy with my purchase. The RedCap really works and the quality has been great from day one. Ellen from customer support was also very helpful Really grateful and would definitely recommend it.

Matthew B.
Exceeded my expectations

I honestly didn’t expect the quality to be this good. The fit is perfect, the material feels premium and shipping was faster than expected. Definitely ordering again.

James W.
Looks even better in person

Very impressed with the design and comfort. I’ve already received compliments wearing it out in public. Feels high quality and worth every penny.

Ethan P.
Customer service was amazing

Had a small question about my order and got a reply really fast. Product arrived in perfect condition and the packaging was actually very nice. You can tell they care about the customer experience.

Julian M.
Great quality for the price

Was a bit skeptical before ordering but I’m glad I did. The material feels solid and the overall finish is really clean. Been using it almost every day since it arrived.

Mirian L.

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400W bi-facial monocrystalline solar panel with 60cm cable