Search for "best portable power station" and you'll get three names over and over: EcoFlow, Jackery, and BLUETTI. All three make genuinely good hardware, all three use the same safe LiFePO4 (LFP) battery chemistry, and all three will keep your fridge running through an outage. So the real question isn't "which brand is good" — it's which one fits your situation.
Here's how they actually differ, using each brand's current flagship-class home-backup unit as the comparison point.
Quick Comparison
| EcoFlow Delta Pro 3 | Jackery Explorer 3000 v2 | BLUETTI Apex 300 | |
|---|---|---|---|
| Capacity | 4,096Wh | 3,072Wh | 2,980Wh (expandable) |
| Continuous output | 4,000W (up to 12,000W with X-Boost/expansion) | 3,600W (7,200W surge) | 3,000W |
| Expandable? | Yes — up to 48kWh with add-on batteries | No — standalone only | Yes — up to ~12,000Wh with B300K modules |
| Recharge time (AC) | ~50 minutes | ~1.7 hours | ~1.5 hours (solar) |
| Battery chemistry | LiFePO4 | LiFePO4 | LiFePO4 |
| Price range | ~$2,000–$3,700 | ~$2,500 | ~$1,600 (base unit) |
(Prices and availability change frequently and vary by retailer and promotion — treat these as a starting point, not a quote, and check current pricing before buying.)
EcoFlow: Best If You Might Need to Grow the System Later
EcoFlow's Delta Pro 3 has the largest base capacity of the three and the highest expansion ceiling — up to 48kWh, which is genuinely whole-house territory, not just "a few circuits." If there's any chance you'll want to add solar panels, a second battery, or scale up to a full home backup system down the road, EcoFlow's ecosystem is the most built-out of the three brands, with the most charging methods (seven, plus combinations) and the fastest AC recharge time here at around 50 minutes.
The tradeoff is price volatility — EcoFlow runs frequent, steep sales, so the "right" time to buy varies a lot, and the sticker price alone doesn't tell the whole story.
Best for: homeowners who want room to expand, frequent multi-day outage areas, anyone pairing with solar now or later.
Jackery: Best If You Want the Simplest, Most Proven Option
Jackery is the brand most people have already heard of, and the Explorer 3000 v2 reflects that "just works" reputation — strong continuous output, a genuinely fast 1.7-hour recharge, and a built-in UPS mode with a 20-millisecond switchover, which matters if you're backing up anything sensitive to a power blip (a computer, a NAS, medical equipment).
The catch: this unit doesn't support expansion batteries at all. What you buy is what you get, permanently. That's not a flaw so much as a different philosophy — Jackery is betting you'd rather buy the right size once than manage a growing modular system.
Best for: buyers who want a single, no-fuss unit sized correctly from day one and don't plan to expand it later.
BLUETTI: Best Value Per Watt-Hour, With a Real Expansion Path
BLUETTI's lineup consistently comes out ahead on price-per-watt-hour across independent testing, and the Apex 300 is no exception — its modular B300K batteries let you scale from the ~3kWh base unit up to roughly 12,000Wh without replacing anything, similar in spirit to EcoFlow's approach but at a noticeably lower entry price.
The base unit's continuous output (3,000W) is a step below EcoFlow's and Jackery's flagships, which matters if you're planning to run something power-hungry like central AC — but for most household essential-circuits use (fridge, lights, router, medical devices, phone charging), it's more than enough.
Best for: budget-conscious buyers who still want room to grow, and anyone prioritizing value over top-line output specs.
So Which One Should You Actually Buy?
Honestly, all three are good hardware — the real decision comes down to three questions:
- Will you ever want to expand capacity? If yes, EcoFlow or BLUETTI. If you're confident in your sizing today, Jackery's standalone simplicity is appealing.
- What's your actual load? Central AC and other heavy continuous draws push you toward EcoFlow or Jackery's higher output. Essential-circuits-only backup works fine on any of the three.
- What's your budget? BLUETTI generally wins on price-per-watt-hour; EcoFlow and Jackery command a premium for their respective strengths (expansion ceiling and simplicity/UPS speed).
Rather than guess at sizing from spec sheets, the fastest way to get a real answer is to work backward from your actual home:
Use our free Generator & Home Battery Calculator →
Answer a few questions about your home and it'll tell you the capacity you actually need — and show you which specific products, across all three brands, match your number.
Related reading: Generator vs. Home Battery: Which Backup Power Is Right for You? and Best Portable Power Stations & Home Batteries of 2026