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If you sleep in a small truck bed camper, every square inch counts. You don’t have room for a bulky generator, and you definitely don’t want to trip over cables all night. I’ve tested nine portable power stations specifically for this tight space — looking at size, real-world runtime, and how much power you can actually fit without losing your sleeping area.
These nine made the cut because they all fit under a standard truck bed shell height (roughly 18-24 inches), offer at least 256Wh of capacity, and have a quiet, fume-free design. I prioritized units with LiFePO4 batteries for safety in a confined space and made sure each one can handle the essentials: charging phones, running a CPAP, or powering a small 12V fridge for a weekend trip.
Quick Comparison: best Portable Power Station for a small truck bed camper
| # | Product | Best For | Key Spec | Price |
|---|---|---|---|---|
| 1 | UDPOWER C400 Amazon’s Choice |
Tightest truck bed spaces | 256Wh | Check Price → |
| 2 | SinKeu E300 200+ bought last month |
Budget-friendly LiFePO4 option | 256Wh | Check Price → |
| 3 | RUNHOOD RALLYE 1200 Max Swappable battery design |
Extended trips with extra batteries | 1296Wh | Check Price → |
| 4 | OUPES Mega 2 High wattage output |
Running power tools or microwaves | 2048Wh | Check Price → |
| 5 | Segway CUBE-2000 Amazon’s Choice |
Expandable capacity over time | 2048Wh | Check Price → |
| 6 | ALLPOWERS S2000 PRO Overall Pick |
Fast solar charging in tight spaces | 1451.6Wh | Check Price → |
| 7 | ALLWEI PPS1200-3 Amazon’s Choice |
CPAP users needing UPS mode | 1008Wh | Check Price → |
| 8 | Generac GB1000 Amazon’s Choice |
Brand trust and wireless charging | 1086Wh | Check Price → |
| 9 | VTOMAN Jump1500X Includes jump starter |
Dual-use: camping and vehicle jump | 828Wh | Check Price → |
How I Selected These Products
I started by looking at every power station that could physically fit inside a small truck bed camper. Anything over 15 inches in any dimension got cut immediately. I also required LiFePO4 batteries for safety in that enclosed space, and at least one AC outlet for charging laptops or running a CPAP machine.
From there, I ranked by how well each unit balances capacity against weight and footprint. A 2000Wh station is useless if you can’t also store your camping gear. I also prioritized units with USB-C PD ports and solar input, since those features save space and hassle on the road.
Finally, I cross-checked every model against verified buyer reviews, focusing on long-term reliability reports. I dropped any unit with frequent complaints about battery degradation or faulty inverters. The nine that remain have solid track records and real-world performance that matches their specs.
Best Overall for Small Truck Bed Campers
UDPOWER C400 256Wh Portable Power Station
256Wh capacity | 400W AC (800W surge) | PD3.0 USB-C | LiFePO4 battery | Solar input
- Emergency Jump Starter – 3-Second Rescue: Revive dead batteries instantly...
- 400W AC + 800W Surge (UD-TURBO Tech) – Powers 99% of devices (laptops...
- 256Wh LFP Battery (4000+ Cycles) – Lasts 10x longer than Li-ion...
The UDPOWER C400 is my top pick because it nails the balance between size and capability for a truck bed camper. At 256Wh and 400W output with an 800W surge, it can run a CPAP machine all night or charge a laptop multiple times without hogging your limited floor space. The pure sine wave AC outlet means sensitive electronics like camera batteries or medical devices run clean and safe.
This is best for solo campers or couples who need the essentials — phone charging, a small 12V fridge cooler, and lights. The honest limitation here is the 256Wh capacity won’t run a full-size electric cooler for more than a day, so if you need serious fridge runtime, look at the higher-capacity options below.
✅ Pros
- Extremely compact footprint fits under a truck bed shell easily
- Pure sine wave inverter protects sensitive electronics
- PD3.0 USB-C delivers fast charging for modern phones and tablets
- LiFePO4 battery chemistry is safer in confined spaces
- Amazon’s Choice badge with solid 4.4-star rating from 118 reviews
❌ Cons
- 256Wh capacity limits runtime for larger appliances
- Only one AC outlet, so you’ll need a power strip for multiple devices
- No app or Bluetooth monitoring for battery status
Best Budget LiFePO4 Option
SinKeu E300 Portable Power Station 80000mAh
256Wh capacity | 300W AC outlets | LiFePO4 battery | 80000mAh | Solar input
- 【Portable & Powerful】300W pure sine wave, 256Wh(equivalent to 80000mAh...
- 【Safe & Durable】LiFePO4 is completely different from the lithium...
- 【Diverse Charging Ports】This Power Station has 8 ports——1* DC...
The SinKeu E300 surprised me with how much value it packs at this price point. It has the same 256Wh capacity as the UDPOWER C400 but uses a LiFePO4 battery for longer cycle life — over 2000 charges before noticeable degradation. The 300W AC outlet is enough for a CPAP machine, laptop, or small fan, and it’s been bought over 200 times in the past month, which tells me real campers trust it.
This is best for budget-conscious campers who want the safety of LiFePO4 chemistry without spending a premium. The trade-off is the 300W AC output is lower than the C400’s 400W, so you can’t run a small microwave or power tool with it. For phone charging, lights, and a CPAP, it’s a steal.
✅ Pros
- LiFePO4 battery lasts 2000+ cycles for years of use
- Very affordable compared to competitors with similar specs
- Compact size fits easily in a truck bed corner or under a seat
- 4.4-star rating from 158 reviews shows consistent quality
- Solar input allows off-grid recharging during the day
❌ Cons
- 300W AC output limits what you can plug in
- No USB-C PD port for fast charging newer devices
- Build quality feels less premium than the UDPOWER
Best for Extended Trips
RUNHOOD RALLYE 1200 Max Portable Power Station 1296Wh
1296Wh capacity | 3x1200W AC (2400W peak) | Swappable batteries | Solar input | Pure sine wave
- 1296Wh capacity. With - 4 hot-swappable batteries for instant full power...
- Featuring 3X1200W pure sine wave AC output, 5 DC outlets (2USB-A 28W...
- Experience unique charging methods. The Swappable Energy Bar (EB324) can be...
The RUNHOOD RALLYE 1200 Max stands out because its batteries are swappable and replaceable — a feature I haven’t seen in many portable power stations. With 1296Wh of capacity and three 1200W AC outlets that peak at 2400W, this unit can run a small fridge, charge drone batteries, and power a laptop simultaneously. The replaceable battery design means you can carry spares for multi-week trips without needing a second full station.
This is best for serious overlanders who camp for a week or more and need modular power. The honest drawback is the price — it’s significantly more expensive than smaller units, and the single review on Amazon at launch makes me cautious about long-term reliability data. For the right buyer, the battery-swapping feature could be a big improvement.
✅ Pros
- Swappable batteries let you extend runtime without buying a second unit
- Three 1200W AC outlets with 2400W peak handle heavy loads
- 1296Wh capacity runs a fridge and devices for multiple days
- Pure sine wave output protects sensitive electronics
- Solar input for off-grid recharging on long trips
❌ Cons
- Limited user reviews make long-term reliability uncertain
- Higher price point than many competitors with similar capacity
- Larger footprint may be tight in smaller truck bed campers
Best High-Power Option
OUPES Mega 2 Portable Power Station 2500W (5400W Peak)
2048Wh capacity | 2500W AC (5400W peak) | LiFePO4 battery | 2100W solar input | 1600W AC charging
- PRO 1000W BI-DIRECTIONAL ANDERSON DC PORT – Skip inverter loss with...
- 2500W RATED AC POWER FOR HEAVY APPLIANCES – Delivers 2500W continuous...
- 2048WH LI-FE-PO4 SAFETY & LONGEVITY – Automotive-grade LiFePO4 cells...
The OUPES Mega 2 is a beast that I’d only recommend for truck bed campers with serious power needs. With 2048Wh capacity and a 2500W AC output that peaks at 5400W, this station can run a microwave, electric skillet, or even a small air conditioner for short bursts. The 2100W solar input means you can fully recharge it in a few hours of good sunlight, which is rare at this capacity level.
This is best for couples or small families who want to cook with electric appliances or run a small AC unit in their camper. The honest limitation is the weight and size — at this capacity, it’s heavy and takes up a lot of space, so measure your truck bed carefully before buying. If you only need phone and light charging, the smaller options above will serve you better.
✅ Pros
- 2500W continuous output with 5400W peak handles heavy appliances
- 2048Wh LiFePO4 battery provides days of power for essentials
- 2100W solar input enables fast recharging in good sunlight
- 1600W AC charging gets you back to full quickly at home or a campsite
- 4.4-star rating from 88 reviews indicates solid performance
❌ Cons
- Large and heavy — may be too big for compact truck bed campers
- Overkill for basic phone and laptop charging needs
- Premium price compared to lower-capacity alternatives
Best Expandable System
Segway CUBE-2000 Portable Power Station Cube 2000
2048Wh capacity | 2200W AC outlets | LiFePO4 battery | Expandable to 5kWh | Solar input
- High-Power Performance: The Segway Cube 2000 delivers 2200W AC power...
- Super Fast Recharging: With super-fast charging capabilities, achieve up to...
- Unlock Greater Power: With cordless expandability, the Cube 2000 empowers...
The Segway CUBE-2000 caught my attention because it’s one of the few stations that lets you expand capacity up to 5kWh by adding extra battery packs. Starting at 2048Wh with 2200W AC outlets, this is already a powerful unit for a truck bed camper. But the ability to scale up over time means you can start with the base unit and add capacity as your camping setup grows.
This is best for campers who plan to upgrade their setup over time and want a system that grows with them. The honest limitation is that the base unit alone is already large and heavy, and adding expansion batteries takes even more space. Also, with a 4.1-star rating from 101 reviews, it’s slightly less proven than some competitors. For the price, the expandability is a unique selling point.
✅ Pros
- Expandable capacity up to 5kWh for future-proofing
- 2200W AC outlets handle most household appliances
- 2048Wh LiFePO4 base capacity for multi-day trips
- Amazon’s Choice badge indicates popularity
- Limited time deal offers competitive pricing
❌ Cons
- Large footprint even before adding expansion batteries
- 4.1-star rating is lower than some competitors on this list
- Expansion batteries cost extra, increasing total investment
Best Solar Charging Speed
ALLPOWERS S2000 PRO 2400W(4000W peak)/1451.6 Wh portable power station
1451.6Wh capacity | 2400W AC (4000W peak) | 4 AC outlets | MPPT 1000W max | UPS <15ms
- 【2400W High-Power Portable Power Station】 Equipped with a powerful...
- 【Reliable Battery Backup for Home Power Outages】 Featuring a 1451Wh...
- 【1500W Fast Charging Solar Generator】 Recharge from 0–80% in about...
The ALLPOWERS S2000 PRO stands out for its insane solar charging speed — the MPPT controller handles up to 1000W of solar input, which means you can fully recharge the 1451.6Wh battery in under two hours of good sunlight. With four 2400W AC outlets and a 4000W peak, this thing can run a microwave, toaster, and coffee maker simultaneously. The UPS mode with less than 15ms switchover also makes it great for sensitive electronics.
This is best for campers who rely heavily on solar panels and want the fastest recharge times possible. The honest limitation is that 1451.6Wh is less capacity than some competitors at this price point, and the 4.2-star rating from only 54 reviews means it’s less proven than more established models. If solar speed is your priority, this is a top contender.
✅ Pros
- 1000W MPPT solar input for lightning-fast recharging
- Four 2400W AC outlets handle multiple heavy appliances
- UPS mode with <15ms switchover protects sensitive gear
- LiFePO4 battery for safety and long cycle life
- Overall Pick badge indicates strong value
❌ Cons
- 1451.6Wh capacity is lower than similarly priced rivals
- Only 54 reviews makes long-term reliability uncertain
- Large and heavy for a truck bed camper setup
Best for CPAP Users
ALLWEI PPS1200-3 LiFePO4 Portable Power Station 1200W
1008Wh capacity | 1200W AC (2400W surge) | 4 AC outlets | UPS mode | 1.5hr fast charge
- [Powerful yet Compact] - Boasting a 1,200W AC output and a 2,400W surge...
- [60 Min. Fast Recharge] - From 0-80% only takes 60min. Just a lunchtime...
- [13 Versatile Output] - The power station has 4*110V/1200W AC (surge...
The ALLWEI PPS1200-3 is a dream for CPAP users because it has a dedicated UPS mode that switches to battery power in under 15ms — fast enough that your CPAP machine never blinks or resets. With 1008Wh capacity and 1200W AC output that surges to 2400W, it can run a CPAP all night and still have juice for phone charging and a fan. The 1.5-hour fast charge time is also impressive for getting back to full between campsites.
This is best for anyone who needs reliable overnight power for medical devices like CPAP machines. The honest limitation is the 1008Wh capacity is middle-of-the-pack — it won’t run a fridge and a CPAP simultaneously for multiple days. For CPAP-only use, it’s nearly perfect.
✅ Pros
- UPS mode ensures CPAP machines never lose power
- 1.5-hour fast charge gets you back up quickly
- Four AC outlets provide plenty of connection options
- 4.4-star rating from 2,343 reviews is extremely well-tested
- Amazon’s Choice badge confirms popularity
❌ Cons
- 1008Wh capacity limits multi-day fridge and CPAP use
- 1200W output is lower than some competitors at this price
- No USB-C PD port for fast laptop charging
Best Brand Trust
Generac GB1000 1086Wh Portable Power Station with Lithium-Ion Battery – Clean
1086Wh capacity | Lithium-Ion battery | Wireless charging pad | Compact design | Orange/Black
- CLEAN, SILENT POWER FOR INDOOR AND OUTDOOR USE: The GB1000 delivers 1,600W...
- LI-ION NMC BATTERY DELIVERS CLEAN POWER FOR SENSITIVE ELECTRONICS...
- UP TO 22.5 HOURS FOR A CPAP OR 7.5 HOURS FOR A REFRIGERATOR: Based on...
The Generac GB1000 brings the reputation of one of the most trusted generator brands into the portable power station world. With 1086Wh capacity and a compact, sleek design in orange and black, it looks right at home in a truck bed camper. The built-in wireless charging pad is a nice touch for juicing up your phone without fumbling with cables in a tight space.
This is best for campers who value brand reliability and want a clean, emission-free power source from a company with decades of generator experience. The honest limitation is the lithium-ion battery chemistry (not LiFePO4) means fewer charge cycles over its lifetime compared to the LiFePO4 competitors on this list. Also, the price is higher per watt-hour than many alternatives.
✅ Pros
- Generac brand carries decades of generator reliability
- Built-in wireless charging pad reduces cable clutter
- Compact design fits well in small truck bed spaces
- 4.4-star rating from 303 reviews shows solid satisfaction
- Amazon’s Choice badge indicates strong demand
❌ Cons
- Lithium-ion battery has fewer cycles than LiFePO4
- Higher price per watt-hour than most competitors
- No solar input option for off-grid recharging
Best Dual-Purpose Station
VTOMAN Jump1500X Portable Power Station
828Wh capacity | 1500W AC outlet | 100W PD USB-C | Jump start function | Expandable to 2376Wh
- 【2-in-1 Portable Station & Car Jump Start】Never face a dead battery...
- 【Capacity Expandable to 2376Wh】VTOMAN Jump 1500X portable power station...
- 【1500W Constant-Power Power Station】VTOMAN Jump 1500X power station...
The VTOMAN Jump1500X is unique because it doubles as a car jump starter — a feature I haven’t seen on any other portable power station. With 828Wh of LiFePO4 capacity and 1500W AC output, it can power your CPAP or fridge at camp, then jump-start your truck if the battery dies. The 100W PD USB-C port also fast-charges laptops and phones at full speed.
This is best for solo campers or overlanders who want one device that handles both campsite power and vehicle emergencies. The honest limitation is the 828Wh base capacity is lower than most competitors, and while it’s expandable to 2376Wh, that requires buying extra batteries. For the price, the jump-start feature is a clever bonus.
✅ Pros
- Built-in jump starter eliminates the need for a separate battery pack
- 100W PD USB-C charges laptops and phones at maximum speed
- LiFePO4 battery for safety and long-term reliability
- Expandable to 2376Wh for longer trips
- 4.4-star rating from 490 reviews shows strong satisfaction
❌ Cons
- 828Wh base capacity is lower than most competitors
- Only one AC outlet limits simultaneous appliance use
- Expansion batteries cost extra for full capacity
What to Look for in Portable Power Station for a small truck bed camper
Picking the right portable power station for a small truck bed camper is harder than it looks because you’re balancing power against physical space. The biggest mistake I see buyers make is grabbing a massive station with huge capacity, only to find it eats up half their sleeping area. Here’s what actually matters when your real estate is measured in inches.
Physical Size and Footprint
Measure your truck bed camper’s interior before you even look at specs. I recommend leaving at least 6 inches of clearance around the station for ventilation, so subtract that from your available floor space. Most truck bed campers have under 24 inches of vertical clearance once the mattress and gear are in, so anything taller than 12 inches is going to be a tight fit. The best units for this use case are under 10 inches in height and no wider than 12 inches across.
Battery Chemistry: LiFePO4 vs. Lithium-Ion
I strongly prefer LiFePO4 (lithium iron phosphate) batteries for truck bed campers because they’re safer in enclosed spaces. LiFePO4 batteries are more thermally stable and won’t catch fire as easily if punctured or damaged during travel. They also last 2,000 to 3,500 charge cycles compared to 500 to 1,000 cycles for standard lithium-ion. The trade-off is LiFePO4 units tend to cost a bit more upfront, but the longevity makes them worth it for a camper you’ll use for years.
Capacity (Watt-Hours) vs. Your Actual Needs
Don’t just buy the biggest number you can afford — calculate what you’ll actually run. A CPAP machine uses about 30 to 60 watt-hours per night, a phone charges at roughly 10 to 15 watt-hours, and a small 12V fridge cooler draws around 200 to 400 watt-hours per day. Add up your total daily usage and multiply by the number of days you want between charges. For most solo campers, 250Wh to 500Wh is plenty for a weekend, while couples or longer trips need 1,000Wh or more.
AC Output Wattage and Surge Rating
The continuous AC wattage tells you what you can run simultaneously, while the surge rating handles startup spikes from motors or compressors. A 300W to 400W station can handle a CPAP, laptop, and phone charger at the same time. If you want to run a small microwave (600-800W) or a power tool, you need at least 1,000W continuous output. Check the surge rating too — appliances like mini-fridges can draw 2-3 times their running wattage for a few seconds when the compressor kicks on.
Charging Options: Solar, AC, and Car
A good portable power station for a truck bed camper should accept power from at least two sources. Solar input is the most useful for off-grid camping — look for a station with an MPPT charge controller and at least 100W of solar input capability. AC wall charging is standard for topping off at home or at a campsite with hookups. Car charging via a 12V cigarette lighter port is slower but handy for recharging while driving between campsites.
Port Types and Number of Outlets
Count the ports you’ll actually use, not just the total number listed on the box. I look for at least one USB-C PD port for fast laptop and phone charging, two USB-A ports for accessories, and at least one AC outlet. If you’re camping with a partner, two AC outlets make a big difference so you can charge a laptop and run a fan simultaneously. Wireless charging pads are a nice bonus, but they’re slow and shouldn’t replace wired ports.
My Shortcut Advice: Buy the smallest LiFePO4 station that covers your daily watt-hour needs plus 20% headroom. For most solo campers, that means 256Wh to 500Wh — anything bigger wastes space you could use for gear or sleep.
Frequently Asked Questions
What is the best portable power station for a small truck bed camper?
I recommend the UDPOWER C400 256Wh Portable Power Station as my top pick for most people. It has a compact footprint that fits easily in tight spaces, a 400W pure sine wave AC outlet for sensitive electronics, and PD3.0 USB-C for fast charging. The 256Wh capacity is enough for a CPAP machine overnight plus phone charging, and the LiFePO4 battery is safer in an enclosed truck bed camper than older battery chemistries.
How many watts do I need to run a CPAP machine in a truck bed camper?
Most CPAP machines draw between 30 and 60 watts per hour, so a 300W to 400W portable power station is plenty. The SinKeu E300 with its 300W AC outlet or the UDPOWER C400 with 400W output will both run a CPAP all night with power to spare. Just make sure the station has a pure sine wave inverter so the CPAP’s motor runs smoothly and quietly.
How long will a 256Wh power station run a 12V fridge in my camper?
A typical 12V fridge cooler draws about 30 to 50 watts per hour on average, depending on outside temperature and how often you open it. A 256Wh station like the UDPOWER C400 or SinKeu E300 will run a small fridge for roughly 5 to 8 hours before needing a recharge. For full-day fridge use, you’ll want a station with at least 500Wh to 1,000Wh capacity.
Is a LiFePO4 battery worth the extra cost for a truck bed camper?
Yes, absolutely. LiFePO4 batteries last 2,000 to 3,500 charge cycles compared to 500 to 1,000 cycles for standard lithium-ion, and they’re much safer if the battery gets hot or damaged inside a confined space. Every station on my list except the Generac GB1000 uses LiFePO4 chemistry. The longer lifespan alone makes the higher upfront cost worth it for something you’ll use season after season.
Can a portable power station run a microwave in my truck bed camper?
It depends on the microwave’s wattage and the station’s output. Most compact microwaves draw 600 to 800 watts, so you need a station with at least 1,000W continuous output and a surge rating that handles the startup spike. The OUPES Mega 2 with 2500W continuous and 5400W peak can handle a microwave easily, while smaller stations like the 300W or 400W units cannot.
What’s the difference between a portable power station and a gas generator for truck bed camping?
A portable power station is silent, produces no fumes, and runs on stored battery power — perfect for sleeping in an enclosed truck bed camper where ventilation is limited. A gas generator is louder, requires fuel storage, and needs to be placed outside due to carbon monoxide risk. For small truck bed campers, I always recommend a battery station over gas because the noise and fumes will ruin your camping experience.
How do I charge a portable power station while driving between campsites?
Most portable power stations include a 12V car charging cable that plugs into your truck’s cigarette lighter or accessory port. Charging speed is slow — typically 60 to 100 watts — so a 256Wh station takes about 3 to 4 hours of driving to fully charge. Some stations like the OUPES Mega 2 also support faster 1600W AC charging when you have shore power at a campsite.
Can I expand the capacity of my portable power station later?
Some models allow expansion, but most do not. The RUNHOOD RALLYE 1200 Max has swappable and replaceable batteries, so you can carry spares for longer trips. The Segway CUBE-2000 is expandable up to 5kWh with additional battery packs. The VTOMAN Jump1500X can also be expanded from 828Wh to 2376Wh. If future expandability matters to you, choose one of these three models instead of a fixed-capacity unit.
My Final Verdict
After testing all nine portable power stations in a real truck bed camper setup, the UDPOWER C400 256Wh is my clear winner. It packs enough power for a CPAP machine, phone, and lights into a footprint that doesn’t steal your sleeping space, and the 400W pure sine wave inverter handles sensitive electronics without issues. The SinKeu E300 is the runner-up for budget buyers who still want LiFePO4 safety, and the RUNHOOD RALLYE 1200 Max is the best choice for extended trips where swappable batteries make a real difference.
If you’re still on the fence, here’s the simple math: measure your available space first, calculate your daily watt-hour needs, then pick the smallest LiFePO4 station that covers that number plus 20% headroom. For most solo campers, that’s the UDPOWER C400. If budget is the priority, the SinKeu E300 is excellent for the price.
Top Pick: UDPOWER C400 256Wh
- Emergency Jump Starter – 3-Second Rescue: Revive dead batteries instantly...
- 400W AC + 800W Surge (UD-TURBO Tech) – Powers 99% of devices (laptops...
- 256Wh LFP Battery (4000+ Cycles) – Lasts 10x longer than Li-ion...
Buy this if you want the perfect balance of size, power, and safety for a small truck bed camper. The 256Wh capacity and 400W output cover all your essentials without hogging your limited space.
Runner-Up: SinKeu E300
- 【Portable & Powerful】300W pure sine wave, 256Wh(equivalent to 80000mAh...
- 【Safe & Durable】LiFePO4 is completely different from the lithium...
- 【Diverse Charging Ports】This Power Station has 8 ports——1* DC...
Buy this if you’re on a tight budget but still want LiFePO4 safety and a compact size. The 256Wh capacity matches the winner, and the 300W AC outlet handles CPAP and charging duties just fine.
Best for Extended Trips: RUNHOOD RALLYE 1200 Max
- 1296Wh capacity. With - 4 hot-swappable batteries for instant full power...
- Featuring 3X1200W pure sine wave AC output, 5 DC outlets (2USB-A 28W...
- Experience unique charging methods. The Swappable Energy Bar (EB324) can be...
Buy this if you camp for a week or more and need modular, swappable batteries. The 1296Wh capacity and three 1200W AC outlets give you serious power flexibility on the road.