BLUETTI AC180 vs. EcoFlow DELTA 2: Which 1kWh Power Station Should You Buy? (2026 Comparison)

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When it comes to the 1kWh sweet spot of portable power stations, two names dominate the conversation: the BLUETTI AC180 and the EcoFlow DELTA 2. Both deliver expandable power, long-lasting LiFePO4 batteries, and enough output to handle refrigerators, CPAP machines, and high-wattage power tools.

However, each unit shines in distinctly different use cases. Below is a side-by-side comparison to help you choose the best generator for your off-grid camping setup, RV trips, or home emergency backup.

At-a-Glance Head-to-Head Comparison

Feature / Spec BLUETTI AC180 EcoFlow DELTA 2
Battery Capacity 1,152Wh (Larger Base) 1,024Wh
Continuous AC Output 1,800W (2,700W Power Lifting) 1,800W (2,700W X-Boost)
Battery Chemistry LiFePO4 (3,500+ Cycles) LiFePO4 (3,000+ Cycles)
AC Wall Charging Speed 0–80% in ~45 mins (1,440W Max) 0–80% in ~50 mins (1,200W Max)
Max Solar Input 500W (12–60V, 10A) 500W (11–60V, 15A)
Expandability Expandable via B80 / B230 / B300 (DC Input) Direct plug-and-play to 2,048Wh or 3,040Wh
Weight 35.3 lbs (16.0 kg) 27.0 lbs (12.0 kg) — Noticeably lighter
UPS Switchover Time < 20 ms < 30 ms (EPS Rating)
Direct Store Deals Check BLUETTI Sale Check EcoFlow Sale

Key Differences Broken Down

1. Capacity & Base Battery Life

  • BLUETTI AC180 ($1,152\text{Wh}$): Offers ~12% more standalone capacity out of the box. If you run a full-sized refrigerator ($150\text{W}$) or camping fridge, the extra $128\text{Wh}$ translates to roughly 1 to 2 additional hours of off-grid runtime without needing external battery packs.
  • EcoFlow DELTA 2 ($1,024\text{Wh}$): Slightly smaller base capacity, but it pairs seamlessly with EcoFlow’s plug-and-play Extra Battery cables to reach up to $3,040\text{Wh}$.

2. Weight and Portability

  • EcoFlow DELTA 2 wins here (27.0 lbs): It is over 8 lbs lighter than the BLUETTI AC180. If your main use case involves frequently moving the generator in and out of a car trunk, tent, or RV, the DELTA 2 is noticeably easier to carry with its dual-handle design.
  • BLUETTI AC180 (35.3 lbs): Sturdy and rugged, but noticeably denser.

3. Power Output & Surge Handling

  • Both handle $1,800\text{W}$ continuous pure sine wave AC output, running microwaves, hair dryers, circular saws, and coffee makers effortlessly.
  • BLUETTI’s Power Lifting Mode ($2,700\text{W}$) and EcoFlow’s X-Boost Mode ($2,700\text{W}$) both drop voltage to run high-draw resistive heating appliances without tripping the inverter.

The Verdict: Which One Should You Buy?

Buy the BLUETTI AC180 If:

  • You want the maximum standalone capacity ($1,152\text{Wh}$) without buying extra batteries.
  • You prioritize an ultra-durable LiFePO4 battery rated for 3,500+ cycles (approx. 10 years of daily use).
  • You need reliable power for emergency home outage backup and long-haul camping.

Buy the EcoFlow DELTA 2 If:

  • You prioritize lightweight portability (27 lbs) for frequent road trips and mobile setups.
  • You plan to expand your capacity later up to $3,040\text{Wh}$ with dedicated add-on batteries.
  • You want industry-leading smart app controls and fast Wi-Fi/Bluetooth monitoring.

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