FlashFish

UA550

★ 4.1 · LiFePO4 · Released 2023
$229
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FlashFish UA550
Capacity
520 Wh
Output
600W
Solar
200W
Weight
6.8kg
Value
$0.44/Wh

SunSee Take

The FlashFish UA550 delivers 520 Wh of LiFePO4 storage with 600W continuous output. At $0.44/Wh it sits in the excellent value tier. With 3,000 rated cycles, expect 8+ years of daily use. Portable for car camping and tailgating. Portability index: 76 Wh/kg.

Pros

  • +Very affordable
  • +Decent specs for price

Cons

  • −Basic everything
  • −Low surge rating

Best For

Camping Emergency Prep

Full Specifications

Last verified: 2026-07
Battery Capacity 520 Wh
Battery Chemistry LiFePO4
AC Output (Continuous) 600W
AC Output (Surge/Peak) 1,000W
Max Solar Input 200W
Weight 6.8 kg (15.0 lbs)
Cycle Life 3,000 cycles to 80%
AC Charge Time (0→100%) 1.5h
Price per Wh $0.44
Portability (Wh/kg) 76 Wh/kg
FlashFish UA550
520 Wh · 600W · LiFePO4
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How long will the UA550 run common devices?

With 520 Wh usable, here's roughly what this covers. See full runtime tables:

Refrigerator CPAP Space Heater Starlink All appliances →

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Specifications sourced from FlashFish's official product page. MSRP as of 2026-07. Actual prices may vary by retailer and region. SunSee is an independent platform and is not affiliated with FlashFish.