EcoFlow

DELTA Pro Ultra

★ 4.8 · LiFePO4 · Released 2025
$5,799
Check Price at EcoFlow Check Price on Amazon
EcoFlow DELTA Pro Ultra
Capacity
6.1 kWh
Output
7,200W
Solar
5600W
Weight
85kg
Value
$0.94/Wh

SunSee Take

The EcoFlow DELTA Pro Ultra delivers 6.1 kWh of LiFePO4 storage with 7200W continuous output. At $0.94/Wh it sits in the premium tier. With 6,500 rated cycles, expect 17+ years of daily use. Best kept stationary — this is a home backup unit. Portability index: 72 Wh/kg.

Pros

  • +Whole-home power
  • +6500 cycle life
  • +Expandable to 90kWh
  • +Smart panel

Cons

  • −Extremely expensive
  • −Not portable at all
  • −Complex setup

Best For

Off-Grid Living Home Backup

Full Specifications

Last verified: 2026-07
Battery Capacity 6,144 Wh
Battery Chemistry LiFePO4
AC Output (Continuous) 7,200W
AC Output (Surge/Peak) 14,400W
Max Solar Input 5600W
Weight 85 kg (187.4 lbs)
Cycle Life 6,500 cycles to 80%
AC Charge Time (0→100%) 2.5h
Price per Wh $0.94
Portability (Wh/kg) 72 Wh/kg
EcoFlow DELTA Pro Ultra
6.1 kWh · 7200W · LiFePO4
Check Price → Amazon →

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Specifications sourced from EcoFlow'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 EcoFlow.