A dead phone on day three is not a gear problem, it is a research problem — and it is already solved. The five options below weigh between 0.7 and 7.7 lbs, charge a phone 4 to 20 times, and start at under $70.
| Photo |
Top Pick
|
Versatile
|
Budget
|
Best Value
|
Best for Reliability
|
|---|---|---|---|---|---|
| Product | EcoFlow RIVER 2 Portable Power Station | Jackery Explorer 240 v2 Portable Power Station | Anker 521 Portable Power Station (PowerHouse 256Wh) | Anker SOLIX C200 DC Power Bank Station | Goal Zero Venture 35 Power Bank |
| Weight | 7.7 lbs | 7.7 lbs | 7.3 lbs | 4.4 lbs | 0.7 lbs |
| Capacity | 256Wh | 256Wh | 256Wh | 192Wh | 35Wh (9,600mAh) |
| Ac output | 300W (600W X-Boost) | 300W | 300W (600W peak) | ✗ | ✗ |
| Recharge time | 1 hour (AC) | 1 hour (AC fast charge) | 2 hours (AC) | 1.3 hours to 80% (140W USB-C) | 3 hours (18W USB-C) |
| Buy Now | Check Price → | Check Price → | Check Price → | Check Price → | Check Price → |
Quick Tips
Calculate your actual watt-hour need before buying: add up your device battery sizes in mAh, divide by 1000, multiply by voltage (usually 3.7V for phones), then add 20 percent for conversion loss.
Solar input wattage matters more than panel size — a 110W input cap means a 160W panel still charges at 110W, so match panel to the station's rated input ceiling.
LiFePO4 batteries survive more charge cycles (3,000+) than standard lithium-ion (300-500), which matters if you are recharging daily on a long route.
Leave the AC inverter off when you only need USB output — inverters draw 5-15W of standby power even with nothing plugged in, cutting your effective runtime.
EF EcoFlow RIVER 2 Portable Power Station
Best for multi-day backpacking trips with solar
EF EcoFlow RIVER 2 Portable Power Station
Best for multi-day backpacking trips with solar
What we like
- Charges from 0 to 100 percent in one hour via AC, the fastest recharge time in this weight class.
- X-Boost technology lets it run devices up to 600W even though the inverter is rated 300W, which covers most camp coffee makers and camera chargers.
- LiFePO4 battery is rated for 3,000 cycles, giving it roughly 10 years of daily use before capacity degrades.
- Accepts up to 110W of solar input, so a good 100W panel can top it off in under 3 hours of direct sun.
What we don't
- At 7.7 lbs it is the heaviest option on this list and will be felt on longer carries.
- Solar charging cable is sold separately, which adds a hidden cost if you are building a solar setup.
- The app pairing over Bluetooth can be finicky on first setup.
The RIVER 2 earns its top spot because it solves the two problems backpackers actually hit: a dead station at base camp and a slow recharge window between hiking days. If you have one hour of downtime at the trailhead before heading out, you can leave it fully topped off — no other station in this weight range matches that.
This is the right pick for photographers, van lifers doing overnight trail segments, and anyone running a CPAP on a multi-night trip. If you are counting ounces and only need phone and headlamp charging, the Anker SOLIX C200 DC saves you three pounds.
Jackery Explorer 240 v2 Portable Power Station
Best for backpackers who want AC output at minimum weight
Jackery Explorer 240 v2 Portable Power Station
Best for backpackers who want AC output at minimum weight
What we like
- One-hour fast charge mode via AC is available and activated through the Jackery app for convenience.
- 100W USB-C PD output lets you charge a laptop directly without using the AC inverter, saving energy.
- LiFePO4 battery rated at 3,000 cycles matches the EcoFlow at the same price tier.
- Compact folding handle integrates cleanly into the body so it does not snag inside a pack.
What we don't
- DC8020-to-USB-C adapter is required for use with Jackery's own 100W and 200W solar panels and is not included.
- The second USB-C port is limited to 15W, which is meaningfully slower than the 100W primary port.
- App connectivity via Wi-Fi or Bluetooth adds setup complexity some users find unnecessary for simple trips.
The Explorer 240 v2 lands within a few dollars and a few ounces of the EcoFlow RIVER 2, which means the decision between them comes down to ecosystem: if you already own Jackery solar panels, this is the obvious fit. The 100W USB-C output is a genuinely useful feature for anyone carrying a USB-C laptop — you skip the AC inverter entirely and get better efficiency.
This is the better pick for weekend backpackers who want AC capability but spend most charge sessions on USB-C devices. If you need the fastest possible solar recharge, the EcoFlow's 110W solar input edge gives it a real advantage.
Anker 521 Portable Power Station (PowerHouse 256Wh)
Best value AC station for basecamp use
Anker 521 Portable Power Station (PowerHouse 256Wh)
Best value AC station for basecamp use
What we like
- Frequently available at $160-$180 on sale, making it the lowest entry price for a 256Wh AC station.
- Comes with a 5-year full-device warranty, significantly longer than the 2-year standard across most competitors.
- LiFePO4 battery rated for 3,000+ cycles under Anker's InfiniPower technology.
- Six output ports including 2 AC, 2 USB-A, 1 USB-C, and 1 car outlet cover nearly every device combination.
What we don't
- Two-hour AC recharge time lags behind the one-hour fast charge of the EcoFlow and Jackery options.
- Maximum solar input is 65W, which limits how quickly you can top it off with a panel mid-trip.
- The carrying handle is integrated but the form factor is boxier and less pack-friendly than the Jackery.
The Anker 521 is the station to buy when you want 256Wh and AC output but the EcoFlow and Jackery are out of your budget that week. The 5-year warranty is genuinely rare in this category and worth weighting into the value calculation over the life of the product.
This makes the most sense as a basecamp station you drive to the trailhead, not a daily carry item — the boxier form factor and slower recharge are less of a liability when weight and speed are not your main constraints. If you need sub-2-hour recharge or carry it more than a mile, step up to the EcoFlow.
Anker SOLIX C200 DC Power Bank Station
Best for ultralight backpackers who do not need AC
Anker SOLIX C200 DC Power Bank Station
Best for ultralight backpackers who do not need AC
What we like
- At 4.4 lbs it is the lightest full-capacity station on this list, saving over 3 lbs versus the 256Wh options.
- 140W two-way USB-C port recharges the unit to 80 percent in 1.3 hours with a fast wall charger.
- 39 percent smaller than comparable capacity stations so it actually fits in a pack side pocket.
- LiFePO4 battery rated for 3,000 cycles with a 3-year warranty from Anker.
What we don't
- No AC output at all — anything requiring a wall plug simply cannot be used with this station.
- Wall charger is not included in the box, which is a frustrating oversight at this price point.
- 192Wh capacity is the lowest of the full stations on this list, limiting runtime on power-hungry devices.
The SOLIX C200 DC is the station for the hiker who has looked at the 7.7-lb options and decided that three pounds matters more than an AC outlet. If your kit is phones, headlamps, GPS, earbuds, and a USB-C camera — you do not need AC, and this gives you 192Wh in a package light enough to forget is in your bag.
Avoid it if you run a CPAP, charge batteries from a wall-plug charger, or need to power any AC appliance. For everyone else counting ounces on a 3-5 day backcountry route, nothing in this weight range competes with it.
Goal Zero Venture 35 Power Bank
Best ultralight option for phone and headlamp only
Goal Zero Venture 35 Power Bank
Best ultralight option for phone and headlamp only
What we like
- At 0.7 lbs it adds almost nothing to pack weight and is genuinely pocketable on trail.
- IP67-rated waterproof and dustproof — the only option on this list rated for submersion.
- Built-in 50-lumen emergency flashlight adds a useful safety function without extra gear.
- Airline-legal at 35Wh, making it the only pick here that flies without restriction.
What we don't
- 35Wh capacity means roughly 2-3 full phone charges — not enough for multi-day trips with heavy device use.
- No AC output and no solar input port, limiting recharge to USB-C only.
- Cannot charge laptops or run any device requiring more than 18W output.
The Venture 35 is not competing with the other stations on this list — it is the option for the ultralight hiker who wants a phone safety net and nothing more. Two to three phone charges, IP67 waterproofing, and 0.7 lbs is a compelling package for weekend trips where your real pack weight ceiling leaves no room for anything heavier.
This is the wrong choice for photographers, CPAP users, or anyone on a trip longer than 3 days with moderate device use. For a solo 2-night trip where you need to keep your navigation app alive and your headlamp charged, it is all you need.
What to Look For
Weight and watt-hours define every backpacking power decision. A station under 5 lbs with 200Wh or more covers most multi-day trips without wrecking your pack weight.
Solar input compatibility is the difference between a finite battery and a renewable system. Check the max solar input wattage on the spec sheet before buying a panel separately.
Output ports determine what you can actually charge. No AC output means no running a CPAP, camera battery charger, or anything with a wall plug — USB-only stations are lighter but limited.
Who Should Skip This
Ultralight backpackers under a base weight of 10 lbs should skip everything here except the Goal Zero Venture 35 — even the lightest full stations add 4-plus pounds. If you only need to charge a phone and a headlamp on a 3-day trip, a standard 20,000mAh power bank is the smarter call.
What the Community Actually Uses
On r/ultralight, power station threads get very specific very fast — the community is obsessed with watt-hours-per-pound math and will call out any station that does not justify its carry weight. The consensus leans toward DC-only stations and bare power banks for anything under 7 days, with the EcoFlow RIVER 2 and Anker SOLIX C200 DC showing up repeatedly as the sweet spot for anyone who needs more than phone charging.
Quick Picks — In Case You've Already Decided
Frequently Asked Questions
What is the lightest portable power station worth carrying backpacking?
The Anker SOLIX C200 DC at 4.4 lbs and 192Wh is the lightest full station worth the carry for multi-day trips. The Goal Zero Venture 35 at 0.7 lbs is lighter but delivers significantly less capacity and lacks AC output.
Can I charge a CPAP machine with a backpacking power station?
Only stations with AC output can run a CPAP. The EcoFlow RIVER 2, Jackery Explorer 240 v2, and Anker 521 all include AC outlets rated at 300W or more, which covers most travel CPAP machines. The Anker SOLIX C200 DC does not have AC output.
How many times can a 256Wh station charge a phone?
A 256Wh station can charge a typical smartphone (15Wh battery) roughly 14-17 times accounting for conversion losses. Real-world results vary by phone model, battery health, and ambient temperature.
Are these power stations allowed on planes?
Most portable power stations above 100Wh are prohibited from commercial flights as carry-on or checked luggage. The Goal Zero Venture 35 at 35Wh is airline-legal. Check current TSA and airline rules before any flight.
What solar panel wattage do I need to recharge these stations on trail?
Match the panel to the station's solar input ceiling — the EcoFlow RIVER 2 accepts up to 110W, the Anker 521 accepts up to 65W. Panels above those limits will still work but cannot exceed the station's rated input.
Buying Guide
You are trading weight for watt-hours on every backpacking trip, and that trade has a right answer for your specific kit. A photographer running a mirrorless camera needs 250Wh or more.
A solo hiker keeping a phone and headlamp alive needs 50Wh. Match capacity to your actual device load, not the biggest number on the shelf.