
Anker 521 PowerHouse
The Anker 521 is a 256Wh LiFePO4 portable power station (PowerHouse) with 300W rated AC output and SurgePower surge support up to 600W—built for laptops, camping, travel, and outdoor backup. Anker markets InfiniPower with LiFePO4 cells, temperature control, and durable construction for long-term use (listing copy cites up to about a decade of performance in ideal conditions). The six-port hub includes two AC outlets, two USB-A ports, one 60W USB-C PD port for fast laptop-style charging, and one car outlet. Solar panel is optional; DC input accepts compatible 11–28V solar chargers (about 65W max per spec) with MPPT-style efficiency claims. Retail bundle copy includes the station, DC adapter, car charging cable, welcome guide, and a 5-year worry-free warranty. At about 8.2 lb and roughly 8.5 × 8.3 × 5.7 in, it stays portable in a bag or vehicle. Weight: about 8.2 lbs.
Solar panel optional. Use an 11–28V solar charger with a DC7909 male connector per Anker guidance.
~$199
$0.78/WhSome links are affiliate links — helps support WattMatch at no extra cost to you.
Who is this for?
Camping
Keep lights, fans, and devices charged on multi-day trips
Remote Work
Power your laptop, router, monitor, and accessories all day
Full Specifications
Technical Specifications
How long will it power your devices?
The Anker 521 PowerHouse is pre-selected. Add your devices below to see your estimated runtime.
Power station
Devices
No devices added yet
Inverter efficiency
DC → AC conversion loss. 85% is a safe default.
Estimated runtime
Your estimate will show here
Add at least one device on the left. We combine its draw with your station's capacity and efficiency.
Using Anker 521 PowerHouse (256Wh, 300W output).
When you're happy with your estimate, compare prices for Anker 521 PowerHouse.
Affiliate link — helps support WattMatch
Compare models →Compare with similar stations
Other compact <500wh stations worth considering.



Prices are approximate. Affiliate links — helps support WattMatch.
How does the 521 PowerHouse compare?
See a full spec-by-spec breakdown and use-case verdict against each competitor.
You might also consider
Anker SOLIX C300
⚡ ~50 min AC recharge
~$249
$0.86/WhPurchase links may be affiliate links — To Support WattMatch
Anker SOLIX C300 DC
⚡ ~1 hr AC recharge
~$179
$0.62/WhPurchase links may be affiliate links — To Support WattMatch
Jackery Explorer 300
⚡ ~4 hrs AC recharge
~$199
$0.68/WhPurchase links may be affiliate links — To Support WattMatch

