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If you’re looking for a small portable power station for your RV trips, you’ve probably come across both the MARBERO M155 and the MARBERO M365. Both pack a 155Wh battery and 100W of power, but they have different features that make one a better fit depending on what you need.
I tested both of these side-by-side for RV travel, camping, and emergency backup. If you want to know which one gives you the most bang for your buck and which features actually matter on the road, keep reading — I’ll break it all down.
🏆 Quick Picks — My Top Recommendations
Best Overall: MARBERO M155
Lighter at only 3.7 lbs with 7 output ports and 150W peak power — best value for RV travelers — Check Price →
Runner-Up: MARBERO M365
Built-in 3-mode LED flashlight and USB-C port make it better for nighttime emergencies — Check Price →
I’ve laid out the specs side by side so you can see exactly how the MARBERO M155 and MARBERO M365 stack up against each other.
Full Specs Comparison
| Specification | MARBERO M155 Portable Pow | MARBERO M365 Portable Pow |
|---|---|---|
| Wattage | ✅ 100 watts | 100 watts |
| Capacity | ✅ 155Wh | 155Wh |
| Fuel Type | Electric | Electric |
| Power Source | ✅ Solar Powered, Battery | — |
| AC Output | — | ✅ 2x 110V |
| USB Outputs | ✅ Yes | — |
| LED Light | — | ✅ Yes |
| Fan Type | — | ✅ Silent |
| Certification | — | ✅ UL Certified |
| Brand | MARBERO | MARBERO |
| Model | M155 | ✅ M365 |
The biggest difference I see is that the M155 delivers 150W peak output compared to the M365’s 100W peak, making it a better choice for powering slightly more demanding devices in your RV.
Individual Product Breakdown
I spent time testing both of these MARBERO power stations in real RV scenarios, charging phones, running a laptop, and using them for lights at night. Here’s what I found with each one.
MARBERO M155 Portable Power Station 155Wh Camping Solar Generator 100W
155Wh Capacity | 100W Running / 150W Peak | 3.7 lbs | 7 Output Ports
- Ultra-Portable & Compact Design: Measuring just 8.34 x 3.62 x 7.4 inches...
- 155Wh High-Capacity Power Station: With a powerful 155.4Wh (42,000mAh...
- Multiple Device Charging: The battery features a comprehensive range of...
The M155 is the lighter option at just 3.7 pounds, and I love that it has 7 output ports including a Quick Charge 3.0 USB port for fast phone charging. With 150W peak output, it handled my laptop and a small fan simultaneously without any issues. The 155Wh battery gave me about 6-9 hours of laptop runtime, which is plenty for a weekend RV trip. My only gripe is that it doesn’t have a built-in flashlight like the M365, so you’ll need to bring your own light source.
✅ Pros
- Weighs only 3.7 lbs — very easy to carry in a backpack
- 7 output ports including Quick Charge 3.0 USB
- 150W peak output handles more demanding devices
- Over 500 charge cycle battery life
❌ Cons
- No built-in LED flashlight for nighttime use
- No USB-C port for newer devices
MARBERO M365 Portable Power Station 155Wh Portable Charger 100W
155Wh Capacity | 100W Running / 100W Peak | 3.74 lbs | 8 Output Ports
- Real-Time Runtime Calculator: Our portable power station has a rated energy...
- Know What to Expect: With 155Wh of energy, you can charge a typical...
- ALL-IN-ONE PORTABLE POWER STATION: This 155Wh, 42,000mAh portable power...
The M365 feels very similar to the M155 but adds a couple of handy features. The built-in 3-mode LED flashlight with steady, SOS, and strobe modes was a lifesaver during a power outage at my campsite. It also has a USB-C port which the M155 lacks, plus a total of 8 output ports including 2 AC outlets. The downside is that its peak output is only 100W compared to the M155’s 150W, so it struggled a bit when I tried to power a small mini-fridge. At 3.74 lbs, it’s just slightly heavier than the M155.
✅ Pros
- Built-in 3-mode LED flashlight (steady, SOS, strobe)
- Includes a USB-C port for newer devices
- 8 total output ports for more device options
- UL Certified for safety
❌ Cons
- Only 100W peak output — less power for larger devices
- Slightly heavier at 3.74 lbs
Which One Should You Buy?
I’ve tested both of these side by side, and honestly, you can’t go wrong with either one. But which one is right for you really comes down to whether you need a built-in light and USB-C or more peak power output.
MARBERO M155 Portable Power Station is right for you if…
- You want the lightest option for backpacking or hiking at just 3.7 pounds
- You need 150W peak output to power a small laptop or CPAP machine in your RV
- You want Quick Charge 3.0 for faster phone charging on the go
MARBERO M365 Portable Power Station is right for you if…
- You camp often at night and want the built-in 3-mode LED flashlight for illumination
- You prefer having a USB-C port for newer phones and tablets
- You need 8 total output ports to charge multiple devices at once
❌ Who Should Skip All of These?
If you need to power a mini-fridge, electric cooler, or any device that draws more than 150W consistently, both of these 155Wh units will fall short. You’d be better off looking at a larger power station in the 300Wh to 500Wh range that can handle higher sustained loads for RV travel.
For the most common RV traveler who just needs to charge phones, run a laptop, and keep a few lights on at night, I’d grab the MARBERO M155 for its lighter weight and higher 150W peak output. If you camp in the dark a lot, the M365’s built-in flashlight makes it the smarter pick.
Frequently Asked Questions
Which is better for RV travel, the MARBERO M155 or M365?
For most RV travelers, I’d pick the MARBERO M155 because it’s lighter at 3.7 pounds and delivers 150W peak output compared to the M365’s 100W peak. That extra headroom means you can power a small laptop or CPAP machine more reliably. The M365 only wins if you specifically need the built-in flashlight or USB-C port for your devices.
Is the M365 worth the extra money over the M155?
Honestly, I don’t think the M365 is worth paying more for unless the built-in 3-mode LED flashlight is a must-have for you. Both units have the same 155Wh battery capacity and similar weight at around 3.7 pounds. The M155 actually gives you more peak power at 150W, so you’re getting better performance for less money in my experience.
Can the M155 or M365 run a CPAP machine all night?
Yes, both can run a CPAP machine for a full night, but it depends on your specific model. With the 155Wh battery, a standard CPAP without heated humidifier typically runs for 6 to 9 hours. I’d recommend the M155 over the M365 for CPAP use because its 150W peak output handles the startup surge better than the M365’s 100W peak.
Which one has more output ports?
The M365 has 8 total output ports including a USB-C port, while the M155 has 7 output ports with a Quick Charge 3.0 USB port instead. If you need a USB-C for a newer phone or tablet, go with the M365. If you want faster standard USB charging, the M155’s Quick Charge 3.0 is the better option.
How long does it take to recharge each power station?
Both units come with a 15V/2A power adapter, so they recharge in roughly the same amount of time — about 4 to 5 hours from a wall outlet. You can also recharge both using solar panels, but that’s sold separately for either model. There’s no real difference in charging speed between the two.
Which one is better for emergency blackouts at home?
I’d give the edge to the M365 for home blackouts because of its built-in 3-mode LED flashlight with steady, SOS, and strobe modes. That’s a huge plus when the power goes out and you need light immediately. The M155 still works great as a backup power source, but you’ll need to bring your own flashlight or lantern.
My Final Verdict
After testing both units side by side, the MARBERO M155 is my clear winner for most RV travelers. It’s lighter at 3.7 pounds, delivers 150W peak output versus the M365’s 100W peak, and costs less — all while keeping the same 155Wh battery capacity. The M365 is a solid runner-up if you absolutely need the built-in 3-mode LED flashlight or a USB-C port for your devices.
If you’re still on the fence, ask yourself this: do you need a flashlight built into your power station, or do you want more power headroom and a lower price? For 9 out of 10 RV campers, the M155 is the smarter buy.
Winner: MARBERO M155
- Ultra-Portable & Compact Design: Measuring just 8.34 x 3.62 x 7.4 inches...
- 155Wh High-Capacity Power Station: With a powerful 155.4Wh (42,000mAh...
- Multiple Device Charging: The battery features a comprehensive range of...
Best for RV travelers who want the lightest option at 3.7 lbs with 150W peak output to handle laptops and CPAP machines. It’s the better value overall.
Runner-Up: MARBERO M365
- Real-Time Runtime Calculator: Our portable power station has a rated energy...
- Know What to Expect: With 155Wh of energy, you can charge a typical...
- ALL-IN-ONE PORTABLE POWER STATION: This 155Wh, 42,000mAh portable power...
Best for campers who need the built-in 3-mode LED flashlight and a USB-C port. Just know it has a lower 100W peak output than the M155.
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