












OptiSolex 400W Portable SolarBag Kit
- True 400W Output:10% higher than conventional products.
- Ultra-Portable: 17.2 lb foldable, 50% smaller and lighter, backpack-friendly.
- 25% N-TYPE Efficiency: Up to 25% conversion efficiency, industry-leading.
- Zipper Design: Dual 200W panels, deploy separately for angles or split power.
- High Compatibility: Connect to power stations or 12/24/48V batteries directly.
-
Estimated local shipping start date: August 1st (Single Solar Panel),September 1st (Kit including SolexBrick S1).



Weighing just 17.2 lbs and folding down to the size of a briefcase, the 400W SolarBag is 50% smaller and lighter than competing 400W products, making it perfect for all your outdoor adventures.
The 400W SolarBag features a zippered modular design that splits into two 200W panels. Use them separately to charge your solar system and deep cycle batteries via the S1 or to power stations and small devices directly—adaptable for different needs on the go.
N-Type Cells. Max Efficiency
Up to 400W in Full Sun


Skip the hassle—just plug the S1 into the back of the SolarBag and start charging your RV batteries directly. No pricey controllers, no complex setup. More power, more savings, and more freedom.
Mixing different solar panels can be risky and may affect your entire system. But with our S1 controllers, you can safely combine panels of different brands and specs. Expand your existing setup without replacing a thing—and enjoy more power, more space, and a smarter system.
What's in the box
400W Portable SolarBag Kit
400W Portable SolarBag
Specifications
400W Portable SolarBag
440W
42V/21V
11.8A
36V/18V
5V/3A, 9V/3A, 12V/3A, 15V/3A, PD45W max
5V/3A, 9V/2A, 12V/1.5A, 15W max
5V/3A, 9V/3A, 12V/3A, 15V/3A, PD18W max
170*160*0.4cm (66.93*62.99*0.16in)
53.5*43.5*11.5cm (21.06*17.16*4.53in)
7.8kg (17.2 lbs)
SolexBrick S1
10-50 VDC
Auto 12/24/48V
50A
230W@5V, 450W@12V
MCS230
10AWG DC Output Cable 8AWG
-40°F to 149°F/-40°C to 65°C
0%-99%, No Condensation
5000m
111.0*4.2*3.0cm(4.33*1.6*1.18 in)
300g (0.66 lbs)
FAQ
What kinds of devices can be charged with this kit?
OptiSolex 400W Portable SolarBag Kit can charge batteries (solar charge controllers are required) and portable power stations. Just ensure the open circuit voltage of the solar panel does not exceed the maximum DC input voltage of any connected power stations or solar charge controllers. can charge batteries (solar charge controllers are required) and portable power stations. Just ensure the open circuit voltage of the solar panel does not exceed the maximum DC input voltage of any connected power stations or solar charge controllers.
Will installation take a long time if I'm a beginner?
It's not hard at all. The choice of battery/power station connection is slightly different and requires no complex electrical knowledge. Most users can complete the installation in 5-15 minutes following the tutorial and instructions.
Does the installation require specialized tools?
No professional tools are required and all accessories are included in the set. The manual can be provided with the steps of pictures and words.
Is it possible to power electronic devices directly?
Yes. Each 200W panel provides 3 outlets:Device support: Mobile (1-2 hours full) , tablet (2-3 hours) , laptop (2.5-4 hours) .Note: high-power equipment (e. g. refrigerators) must be relayed through batteries or power stations.
How long does it take to charge a RV battery?
Depends on battery capacity, sunlight intensity and other factors.For example, a 200Ah battery (12V) can be fully charged in about 5-6 hours under ideal sunlight. Overcast hours may be extended by up to 30% . Power generation status can be viewed in real time via the APP (Bluetooth connection to S 1 module is required) .Specific formulas can be used to estimate:Formula:Battery Capacity(X wh=VxAh)/Input Power(W)x 1.2 or more for buffer.