EcoFlow DELTA Pro

Name: EcoFlow DELTA Pro
Brand: EcoFlow

Ranked #7 of 8 in Best Home Backup Power Stations and Whole-Home Batteries (2026). Here is every spec we scored, where it came from, and how it compares.

Affiliate disclosure: We earn a commission if you buy through links on this page, at no extra cost to you. It never affects our rankings, which come from the published scoring formula. As an Amazon Associate I earn from qualifying purchases. Learn more.

EcoFlow DELTA Pro

Best for: The original wheeled 3.6 kWh home battery

2.1/10

What we like

3,600 W output and 7,200 W surge
Expandable with extra batteries
1,600 W solar

Watch out for

120 V only on its own
EcoFlow lists it as limited stock before discontinuation

Score breakdown

Battery capacity 25%

Continuous AC output 20%

Max solar input 15%

Weight 10%

Max AC charging power 5%

240 V output (listed) 10%

Rated cycle life 10%

Surge / peak output 5%

Battery capacity	3600 Wh
Continuous AC output	3600 W
Max solar input	1600 W
Weight	45 kg
Max AC charging power	1800 W
240 V output (listed)	No
Rated cycle life	3500 cycles
Surge / peak output	7200 W
Chemistry	LFP
Cycle rating	3,500 cycles to 80% (6,500 to 50%)
AC output	5 outlets, 3,600 W total (surge 7,200 W); X-Boost 4,500 W
AC input	1,800 W at 120 V; 3,000 W at 240 V
Solar input	1,600 W max, 11–150 V
Expansion	Up to two DELTA Pro Smart Extra Batteries
240 V	Needs two units and EcoFlow's Double Voltage Hub
Weight	About 99 lb / 45 kg
Price	Check price