BLUETTI Elite 300 vs EcoFlow DELTA 3 Ultra Plus: Which to Buy

The BLUETTI Elite 300 is the better portable power station overall, rated 3.9 to 3.7. The BLUETTI Elite 300 leads on value, battery life and tested capacity. The EcoFlow DELTA 3 Ultra Plus wins on AC output, features and solar input. The BLUETTI Elite 300 costs $400 less ($1,199 vs $1,599).

Higher rated

BLUETTI Elite 300

#14 in Home backup3.9Full review

For RV owners and home-backup buyers who want 3 kWh and a TT-30 outlet at a low price and can lift a 58 lb box.

Amazon $1,699 BLUETTI $1,199

$1,199

EcoFlow DELTA 3 Ultra Plus

#20 in Home backup3.7Full review

A wheeled 3kWh home-backup station that can grow to 11 kWh and charge fast from solar. The pick in this line for off-grid cabins and longer outages.

Amazon $1,599

$1,599

Prices were last checked October 24, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

Choose the BLUETTI Elite 300 for value ($0.40 per rated Wh vs $0.52 per rated Wh), battery life (LiFePO4, 6,000 cycles, 5-year warranty vs LiFePO4, 5-year warranty) and tested capacity (89% of rated capacity delivered (1 test) vs 85% of rated capacity delivered (1 test)).
Choose the EcoFlow DELTA 3 Ultra Plus for AC output (3,600 W continuous AC vs 2,400 W continuous AC), features (UPS (10 ms), expandable, 140 W USB-C, app vs UPS (10 ms), 140 W USB-C, app) and solar input (1,600 W max solar input vs 1,200 W max solar input).

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every home backup portable power station; a clear win is highlighted. How we rank explains each one.

Factor weight	BLUETTI Elite 300	EcoFlow DELTA 3 Ultra Plus
Overall rating	3.9/5	3.7/5
Value 25%	85 $0.40 per rated Wh	66 $0.52 per rated Wh
Tested capacity 15%	84 89% of rated capacity delivered (1 test)	68 85% of rated capacity delivered (1 test)
Battery life 15%	100 LiFePO4, 6,000 cycles, 5-year warranty	70 LiFePO4, 5-year warranty
AC output 15%	0 2,400 W continuous AC	37 3,600 W continuous AC
Charging speed 10%	38 0-100% on AC in 2 h 48 min	50 full AC charge time not published (neutral score used)
Portability 10%	100 115 Wh per kg (58 lb (26.3 kg))	84 91 Wh per kg (74.3 lb (33.7 kg))
Solar input 5%	29 1,200 W max solar input	44 1,600 W max solar input
Features 5%	75 UPS (10 ms), 140 W USB-C, app	100 UPS (10 ms), expandable, 140 W USB-C, app

Independent capacity tests