Anker 521 PowerHouse vs PECRON E300LFP

Last updated: October 23, 2026

The PECRON E300LFP is the better portable power station overall, rated 3.9 to 3.1. The PECRON E300LFP leads on value, AC output and features. The Anker 521 PowerHouse wins on portability and battery life. The PECRON E300LFP costs $80.99 less ($179 vs $259.99).

Anker 521 PowerHouse vs PECRON E300LFP

Higher rated
PECRON E300LFP

A small, inexpensive LiFePO4 station for charging phones, laptops and camera gear, or running a CPAP for a night. Pick something bigger if you need to run kitchen appliances.

Amazon $179
$179

Prices were last checked October 24, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every small portable power station; a clear win is highlighted. How we rank explains each one.

Factor weightPECRON E300LFPAnker 521 PowerHouse
Overall rating3.9/53.1/5
Value 25%85 $0.62 per rated Wh51 $1.02 per rated Wh
Tested capacity 15%50 not yet independently tested (neutral score used)23 75% of rated capacity delivered (1 test)
Battery life 15%81 LiFePO4, 3,500 cycles, 2-year warranty91 LiFePO4, 3,000 cycles, 5-year warranty
AC output 15%83 600 W continuous AC41 300 W continuous AC
Charging speed 10%84 0-100% on AC in 1 h 20 min50 full AC charge time not published (neutral score used)
Portability 10%27 60 Wh per kg (10.6 lb (4.8 kg))44 69 Wh per kg (8.2 lb (3.7 kg))
Solar input 5%23 100 W max solar input12 65 W max solar input
Features 5%75 UPS (20 ms), 100 W USB-C, app0 no UPS, expansion or app

Independent capacity tests

PECRON E300LFP

No independent test published yet.

Anker 521 PowerHouse

Tested byUsable AC energyOf ratedConditions
OutdoorGearLab192 Wh75%AC output test; load not stated. Measured charging speed 62 Wh/hr (about 4.1 hr full recharge).

Specifications

PECRON E300LFPAnker 521 PowerHouse
Battery
Rated capacity288 Wh256 Wh
Tested usable capacity-192 Wh (75%)
ChemistryLiFePO4LiFePO4
Cycle life3,500 to 80%3,000 to 80%
ExpandableNoNo
Output
AC output600 W300 W (600 W surge)
AC outlets2 total2 total
120V 15A outlets (NEMA 5-15R)2-
120V 2-prong outlets (NEMA 1-15R)-2
AC waveformPure sine wave-
USB-C ports1 (100 W)1 (60 W)
USB-A ports22
12 V car outletYesYes
DC5521 ports2-
UPS / pass-throughYes (20 ms switchover)-
Charging
AC charging300 W125 W
Full AC charge time1 h 20 min (0-80% in about 60 minutes)-
Max solar input100 W65 W
Solar input voltage12-28V (DC5521)11-28V, 5.5A
Car charging100 W65 W
Build
Weight10.6 lb (4.8 kg)8.2 lb (3.7 kg)
Dimensions10 x 6.8 x 6.1 in8.5 x 8.3 x 5.7 in
AppPECRON app (Wi-Fi/Bluetooth)-
Warranty2 years5 years
Released2024-022021-12

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