OUPES

Mega 3

★ 4.5 · LiFePO4 · Released 2024
$1,899
Check Price at OUPES Check Price on Amazon
OUPES Mega 3
Capacity
3.1 kWh
Output
3,600W
Solar
1800W
Weight
35kg
Value
$0.62/Wh

SunSee Take

The OUPES Mega 3 delivers 3.1 kWh of LiFePO4 storage with 3600W continuous output. At $0.62/Wh it sits in the competitive tier. With 3,500 rated cycles, expect 9+ years of daily use. Best kept stationary — this is a home backup unit. Portability index: 88 Wh/kg.

Pros

  • +3600W output
  • +Good value per Wh
  • +Expandable

Cons

  • −Heavy
  • −Newer brand reputation

Best For

Home Backup Off-Grid Living RV & Van Life

Full Specifications

Last verified: 2026-07
Battery Capacity 3,072 Wh
Battery Chemistry LiFePO4
AC Output (Continuous) 3,600W
AC Output (Surge/Peak) 7,200W
Max Solar Input 1800W
Weight 35 kg (77.2 lbs)
Cycle Life 3,500 cycles to 80%
AC Charge Time (0→100%) 1.8h
Price per Wh $0.62
Portability (Wh/kg) 88 Wh/kg
OUPES Mega 3
3.1 kWh · 3600W · LiFePO4
Check Price → Amazon →

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Specifications sourced from OUPES'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 OUPES.