ALLPOWERS

S300

★ 4.3 · LiFePO4 · Released 2023
$179
Check Price on Amazon Official ALLPOWERS site
ALLPOWERS S300
Capacity
288 Wh
Output
300W
Solar
100W
Weight
3.5kg
Value
$0.62/Wh

SunSee Take

The ALLPOWERS S300 delivers 288 Wh of LiFePO4 storage with 300W continuous output. At $0.62/Wh it sits in the competitive tier. With 3,500 rated cycles, expect 9+ years of daily use. Lightweight enough for hiking and travel. Portability index: 82 Wh/kg.

Pros

  • +Budget champion
  • +Lightweight
  • +Reliable

Cons

  • −Low output
  • −Basic features

Best For

Camping Phone & Laptop Emergency Prep

Full Specifications

Last verified: 2026-07
Battery Capacity 288 Wh
Battery Chemistry LiFePO4
AC Output (Continuous) 300W
AC Output (Surge/Peak) 600W
Max Solar Input 100W
Weight 3.5 kg (7.7 lbs)
Cycle Life 3,500 cycles to 80%
AC Charge Time (0→100%) 1.5h
Price per Wh $0.62
Portability (Wh/kg) 82 Wh/kg
ALLPOWERS S300
288 Wh · 300W · LiFePO4
Check Price → Official ALLPOWERS site →

How long will the S300 run common devices?

With 288 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 ALLPOWERS'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 ALLPOWERS.