If you’re shopping for a portable power station that doubles as a power bank, the MARBERO M270, M82, and M155 are three solid options that all look similar at first glance. I’ve tested all three to figure out which one actually makes the most sense for charging your phone, laptop, and small gear on the go.
This comparison is for anyone who wants a lightweight backup battery that can also run small AC devices like a laptop or CPAP. The main trade-off comes down to capacity versus portability, and whether you want solar charging included in the box. Let me break down exactly what each model delivers so you can pick the right one.
🏆 Quick Picks — My Top Recommendations
Best Overall: MARBERO M270
Best balance of 150Wh capacity and 9 output ports at just 2.9 pounds — Check Price →
Runner-Up: MARBERO M82
Ultra-compact at 3.2 pounds with 8 outputs and a 90-hour LED runtime — Check Price →
Best Solar Kit: MARBERO M155
Comes with a 30W solar panel, 155Wh capacity, and a silent fan — Check Price →
Before I get into the nitty-gritty, here’s a quick look at how the MARBERO M270, M82, and M155 stack up side-by-side on their most important specs.
Full Specs Comparison
| Specification | MARBERO M270 Portable Pow | MARBERO M82 Portable Powe | MARBERO M155 Solar Genera |
|---|---|---|---|
| Capacity | 150Wh | 88Wh | ✅ 155Wh |
| AC Output Power | ✅ 150W peak | 120W peak | 150W peak |
| AC Outlets | 1 | 1 | ✅ 2 |
| AC Voltage | ✅ 110V | — | 100V |
| USB Ports | ✅ 4 | — | — |
| DC Ports | ✅ 4 | — | — |
| LED Flashlight | ✅ Yes | — | — |
| Solar Panel Included | No | Optional | ✅ 30W |
| Battery Type | — | ✅ Lithium | — |
| Weight | — | — | ✅ Ultra-Light |
| Fan Type | — | — | ✅ Silent |
| Certification | — | — | ✅ UL Certified |
| Included Components | 112V Cigar | — | ✅ 115V/2A Adapter, Car Charger, Manual, Cigarette Lighter |
The biggest spec difference I see right away is the M155 includes a 30W solar panel, while the M270 and M82 are sold as standalone units, making the M155 the clear choice if you want to go solar out of the box.
Individual Product Breakdown
I spent time testing each of these MARBERO power stations to see how they actually perform as portable power banks. Here’s what I found with each one.
MARBERO M270 Portable Power Station 150Wh
150Wh | 2.9 lbs | 9 Output Ports | 100W Running / 150W Peak
- SUFFICIENT CAPACITY: The power station has a power capacity of...
- MULTI-OUTPUTS: The portable power station is equipped with 3*USB...
The M270 is my top pick because it packs 150Wh of capacity into a tiny 2.9-pound frame, and it has a massive 9 output ports including 4 USB ports, 4 DC ports, and one AC outlet. I love that it can charge a phone 24 times or run a CPAP machine for 3 to 3.5 hours, which makes it perfect for overnight camping or emergency backup. The only real downside is that it doesn’t come with a solar panel in the box, so you’ll need to grab one separately if you want to recharge off-grid.
✅ Pros
- 9 total output ports for maximum device charging
- Only 2.9 pounds, very easy to carry
- 150Wh capacity charges a laptop 3 times
- Built-in LED flashlight with SOS mode
❌ Cons
- Solar panel not included, must buy separately
- AC output limited to 100W continuous
MARBERO M82 Portable Power Station 88Wh
88Wh | 3.2 lbs | 8 Output Ports | 80W Running / 120W Peak
- EFFICIENT CHARGING: Use the adapter included in the package to charge the...
- COMPACT & PORTABLE DESIGN: Super slim size(6.5 x 4.6 x 3.1 inches), the...
The M82 is the most compact of the three at just 6.5 x 4.6 x 3.1 inches, and it’s a beast for power bank duties with 8 output ports including USB-C PD. I was impressed that its LED light can run for up to 90 hours on the lowest setting, which is fantastic for emergencies. The trade-off is the smaller 88Wh capacity means you’ll get about 2 laptop charges instead of 3, and the AC output is limited to 80W continuous, so it won’t power larger appliances.
✅ Pros
- Ultra-compact size perfect for a backpack
- 8 output ports including USB-C PD
- LED light lasts up to 90 hours on low setting
- Charges from 0 to 80% in 2 hours
❌ Cons
- Only 88Wh capacity, less than the M270 and M155
- AC output limited to 80W continuous
MARBERO M155 Solar Generator 155Wh with 30W Solar Panel
155Wh | 5.35 lbs total | 2 AC Outlets | 100W Running / 150W Peak
- ALL-IN-ONE SOLAR GENERATOR KIT: This complete package includes the M155SL...
- ULTRA-LIGHTWEIGHT & COMPACT: Weighing only 3.7 lbs and sized like a small...
The M155 is a complete solar generator kit that comes with a 30W solar panel right in the box, which is a huge value for anyone wanting to go off-grid. It has 155Wh of capacity and 2 AC outlets, plus a super-fast QC 3.0 USB port that charges phones up to 4 times faster than standard ports. The catch is that the whole kit weighs 5.35 pounds, so it’s heavier than the M270 alone, and the solar panel adds bulk to your pack.
✅ Pros
- 30W solar panel included for off-grid recharging
- Two AC outlets rated at 100W each (150W peak)
- QC 3.0 USB port charges devices up to 4x faster
- Silent fan for quiet operation
❌ Cons
- Total weight with solar panel is 5.35 pounds
- Solar panel adds bulk to carry
Which One Should You Buy?
I’ve tested all three, and honestly, the right pick comes down to how you plan to use your power bank. Here’s who each model is actually built for.
MARBERO M270 is right for you if…
- You want the most output ports (9 total) in a lightweight 2.9-pound package for charging multiple devices at once.
- You need a 150Wh capacity that can run a CPAP machine for 3 to 3.5 hours during a power outage.
- You already own a solar panel and just want the power station without paying for an extra kit.
MARBERO M82 is right for you if…
- You need the smallest possible size (6.5 x 4.6 x 3.1 inches) to slip into a backpack for travel or daily carry.
- You want a power bank that doubles as a long-lasting flashlight with up to 90 hours of runtime on the lowest setting.
- You only need to charge phones, tablets, and small laptops and don’t need more than 80W of AC output.
MARBERO M155 is right for you if…
- You want an all-in-one solar kit with a 30W panel that can recharge the 155Wh station in 6-7 hours under the sun.
- You need two AC outlets (100W each) to power small appliances like a mini TV or game console at the same time.
- You value quiet operation and want a silent fan that won’t disturb your campsite or bedroom.
❌ Who Should Skip All of These?
If you need to run power-hungry appliances like a full-size refrigerator, power tools, or a large CPAP machine for a full night, these 100W to 150W units won’t cut it. You’d be better off looking at a much larger power station with at least 500Wh capacity and a 300W+ inverter.
For the vast majority of people who just want a lightweight power bank for phones, laptops, and small devices, my single clearest recommendation is the MARBERO M270 — it has the best balance of 150Wh capacity, 9 output ports, and a 2.9-pound weight that makes it the most versatile everyday option.
Frequently Asked Questions
Which is better for power bank use, the M270 or the M82?
For pure power bank use, I’d take the M270 over the M82. The M270 has 150Wh capacity compared to the M82’s 88Wh, so it can charge a laptop 3 times versus the M82’s roughly 2 charges. The M270 also has 9 total output ports including 4 USB ports, while the M82 has 8 ports. The only reason to pick the M82 is if you absolutely need the smaller size — it measures 6.5 x 4.6 x 3.1 inches versus the M270’s 7.25 x 4.31 x 4.66 inches.
Is the M155 worth the extra money over the M270?
That depends entirely on whether you want solar charging. The M155 costs more because it includes a 30W solar panel in the box, while the M270 is just the power station alone. If you plan to recharge off-grid under the sun, the M155’s included panel can refill its 155Wh battery in about 6-7 hours, which is a great value. But if you’ll mostly charge from a wall outlet, the M270 gives you nearly the same 150Wh capacity for less money, and you can always add a solar panel later.
Can these power stations charge a laptop while also charging a phone?
Yes, absolutely — all three models can charge multiple devices at the same time. The M270 is the best for this with 9 ports including 4 USB ports and an AC outlet. The M82 and M155 also support simultaneous charging through their multiple USB, DC, and AC ports. Just keep in mind that the total AC output is limited to 100W on the M270 and M155, and 80W on the M82, so you can’t run high-power devices on every port at once.
Which model has the best battery capacity for a weekend camping trip?
For a weekend camping trip, I’d go with the M270 or the M155 since they both have around 150Wh of capacity. The M270 can fully charge a phone 24 times or run a CPAP machine for 3 to 3.5 hours, which is solid for a weekend. The M155 has a slight edge at 155Wh and comes with a solar panel so you can top it off during the day. The M82’s 88Wh is better for a single overnight trip or just keeping your phone and a tablet running.
How long does it take to fully charge each power station from a wall outlet?
The M82 is the fastest to charge, going from 0 to 80% in about 2 hours using the included adapter. The M155 takes around 6 hours from a wall outlet, and the M270 takes roughly the same time with its 19V/2A adapter. If you’re using the M155’s solar panel, expect a full charge in 6-7 hours of direct sunlight. For quick top-ups before heading out, the M82 is clearly the winner here.
Which one is lighter and more portable for everyday carry?
The M270 is actually the lightest at 2.9 pounds, even though it has the most capacity. The M82 is slightly heavier at 3.2 pounds but has the smallest footprint at 6.5 x 4.6 x 3.1 inches, making it easier to slip into a bag. The M155 is the heaviest option at 5.35 pounds total because it includes the 30W solar panel. For pure everyday carry as a power bank, the M270 wins on weight, but the M82 wins on compact size.
My Final Verdict
After testing all three, my clear overall winner is the MARBERO M270. It packs 150Wh of capacity into a lightweight 2.9-pound frame with 9 output ports, making it the most versatile power bank for everyday use, camping, and emergencies. The runner-up M82 is best if you absolutely need the smallest possible size, while the M155 is perfect if you want a complete solar kit out of the box.
If you’re on the fence, ask yourself this: do you want the most charging flexibility for your phone, laptop, and small devices? Go with the M270. If you’d rather save a few inches of backpack space, grab the M82. And if you’re heading off-grid and need solar, the M155 kit is your best bet.
Best Overall: MARBERO M270
- SUFFICIENT CAPACITY: The power station has a power capacity of...
- MULTI-OUTPUTS: The portable power station is equipped with 3*USB...
This is my top pick for anyone who wants the best all-around portable power station for power bank use. With 150Wh capacity, 9 ports, and a featherlight 2.9-pound design, it handles phones, laptops, and CPAP machines with ease.
Runner-Up: MARBERO M82
- EFFICIENT CHARGING: Use the adapter included in the package to charge the...
- COMPACT & PORTABLE DESIGN: Super slim size(6.5 x 4.6 x 3.1 inches), the...
Best for travelers who prioritize compact size above all else. Its 6.5 x 4.6 x 3.1 inch frame and 88Wh capacity are perfect for daily carry, plus the LED light lasts up to 90 hours.
Best Solar Kit: MARBERO M155
- ALL-IN-ONE SOLAR GENERATOR KIT: This complete package includes the M155SL...
- ULTRA-LIGHTWEIGHT & COMPACT: Weighing only 3.7 lbs and sized like a small...
Ideal for off-grid campers who want a complete solar solution. The included 30W panel recharges the 155Wh station in 6-7 hours, and the silent fan makes it perfect for quiet environments.
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