440W Portable SolarBag
Higher Efficiency
N-Type Cells
Rated 440W Output
Zipper Design
440W→Dual 220W
3-Year Warranty
17.2 lbs
50% Smaller & Lighter ↓
6 USB Ports
440W Portable SolarBag Kit
Directly Charges RV Batteries
S1 Auto-Detects 12/24/48V Batteries
S1: 10-Year Warranty
Expand System Easily
OptiSolex 440W Portable SolarBag Kit
View brand video
Big Power in a Small Package
Free up room for gear that matters — no more choosing between solar panels and your cooler.
Pack Lighter, Do More
Charge both RV battery and power station at the same time.
Power Faster, Wait Less
Turn peak sunlight into max power- charge 1kWh in less than 3 hours.
*Actual charge time varies by location and weather.
Rated Power 440W: More Energy, Every Day
Split for lightweight camping, or combined for RV trips. One kit does it all.
Fits 80% of Power Stations
Split into 220W for larger power stations (no extra purchase), or combine multiple 440W SolarBag units for large power stations. One solution, all sizes.
Deploy Anywhere,
Harvest Every Ray
Deploy the SolarBag in seconds wherever the sun shines brightest, even on slopes. The included carabiners make securing it easy for windy days.
Charge 6 Devices at Once
Each 220W zip-pack features a 3-port USB hub with 45W PD fast-charging via USB-C. No more waiting in line to charge. Bring all your essential gear without bringing power anxiety.
Built for Your Journey
Built to endure nature. Designed to make your adventures simpler.
ETFE Coating
IP65 Waterproof
Inner PVC Waterproofing
Locking Buckles
Adjustable Straps
Carabiners included
Velcro Strap for 220 W
SolexBrick S1:
Smaller. Smarter. Stronger.
S1 Controller (50A)
Traditional Controller (50A)
$159.99
$250+
1/6 Size — Saves Space
Bulky — Takes Up Interior Space
No Installation Required
Needs Mounting & Wiring
Smart Communication between S1s
No Communication Between Units
Auto-Detects 12/24/48V
Manual Voltage Switching Needed
Metal Shell — Heat & Drop Resistant
Plastic Shell — Fragile & Heat-Sensitive
IP68 Waterproof
Not Waterproof
10-Year Warranty
2–5 Year Warranty
Tough & No Space Taken
S1 is palm-sized and doesn't need to be fixed or installed inside your RV. Just set it in a cool, shaded spot. It's weatherproof, rugged, and heat-tolerant, so you can focus on your journey.
440W SolarBag Kit
Other Solar Panels+Controllers
~$569.99 (includes controller)
$400–$700 panel + ~$100–$200 controller
Yes — S1 included
Usually sold separately
External, doesn’t occupy interior space
Requires indoor mounting and ventilation
No installation required — plug & play
Requires wiring, mounting, and integration
Auto-detects 12V/24V/48V
Manual setting required
Palm-sized (1/6 the volume)
Typically large (box-mounted)
Panels split into 2×220W for flexible use
One fixed foldable unit
20 feet 8AWG cables are included
Cables are seldom included
10 years for SolexBrick S1, 3 years for SolarBag
1-2 years for controller, 2-5 years for panels
440W SolarBag
400W Portable Solar Panel
400W Solar Suitcase
$429.99
$749.00
$469.99
17.2 lbs
35.3 lbs
30.2 lbs
Folds down into briefcase size, easily fits into trunk
Hard to fit into trunk
Hard to fit into trunk
Micro-crack resistancevia innovative encapsulation
One-piece folding design,high micro-crack risk
Low micro-crack risk
Zip into two 220W forflexible use
Inseparable
Inseparable
3 Years
1 Year
3 Years
Specifications
440W Portable SolarBag
440W/220W
42V/21V
11.1A
36V/18V
5V/3A, 9V/3A, 12V/3A, 15V/3A, PD45W max
5V/3A, 9V/2A, 12V/1.5A, 15W max
5V/3A, 9V/2A, 12V/1.5A, 18W 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)
Specifications
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)
Power That Experts Trust
One Man and His Whippet
49.9K subscribers
Outdoor adventurer and dog lover, One Man and His Whippet puts the OptiSolex 440W SolarBag Kit through its paces, comparing it against other leading solar panels and power stations. The verdict? Big power in a lightweight 17.2lb bag—easy to carry, quick to set up, and built for real adventures.
Grim Granite
195K subscribers
Grim Granite heads into the wild, where every ounce of gear has to earn its place. That’s why he sets up the OptiSolex 440W SolarBag alongside the SolexBrick S1 to show just how simple off-grid power can be.
jt4x4offroading
33K subscribers
Watch 4x4 adventurer and off-grid gear enthusiast jt4x4offroading takes the OptiSolex SolarBag off-road—see how it powers adventures beyond vanlife.