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Research-based, not hands-on tested. Specs come from BLUETTI’s and EcoFlow’s US product pages and user manuals, checked October 16, 2026 (AC200L page, AC200L manual, DELTA 2 Max). See how we research.
📝 TL;DR
- Same starting tank: both are 2,048 Wh LiFePO4 units with 2,400 W continuous AC output.
- Pick the BLUETTI AC200L for more room to grow (up to 8,192 Wh vs 6,144 Wh), more solar (1,200 W vs 1,000 W), a published ≤20 ms UPS, a TT-30 RV outlet, and a lower price on our check date ($899 vs $1,049).
- Pick the EcoFlow DELTA 2 Max if weight matters (50 lb vs 62.4 lb) and you want six standard AC outlets.
- Fine print: BLUETTI’s 7,200 W surge figure (product page) doesn’t match the overload figures in its manual. EcoFlow doesn’t list a UPS switchover time for the DELTA 2 Max.
Imagine two friends offering to help you move. One is a little stronger and owns a bigger truck (and charges less). The other is lighter on their feet and won’t throw their back out on the stairs. Both will get the couch moved. The question is which trade-off fits your move.
That’s the BLUETTI AC200L vs the EcoFlow DELTA 2 Max in a nutshell. Same 2 kWh battery, same 2,400 W output, different priorities.
Side-by-side specs
| Spec | BLUETTI AC200L | EcoFlow DELTA 2 Max | Edge |
|---|---|---|---|
| Capacity | 2,048 Wh | 2,048 Wh | Tie |
| Chemistry | LiFePO4 | LFP (LiFePO4) | Tie |
| Rated cycles | 3,000+ to 80% | 3,000 to 80% | Tie |
| AC continuous output | 2,400 W | 2,400 W | Tie |
| Surge | 7,200 W (product page)† | 4,800 W | AC200L (on paper) |
| Boost mode (resistive loads only) | Power Lifting 3,600 W | X-Boost 3,400 W | Similar |
| AC outlets | 4 × 120 V/20 A + 1 × TT-30 (120 V/30 A) | 6 | Depends (RV vs household) |
| Max solar input | 1,200 W (12–145 VDC, 15 A) | 1,000 W (2 × 500 W, 11–60 V) | AC200L |
| AC charging | 2,400 W max; 0–80% in 45 min (manual) | 1,800 W “X-Stream” | AC200L |
| UPS switchover | ≤20 ms (manual) | Not listed in spec table | AC200L (published figure) |
| Max expansion | 8,192 Wh (2 × B300) | 6,144 Wh (2 × Smart Extra Battery) | AC200L |
| Weight | 62.4 lb (28.3 kg) | 50 lb (23 kg) | DELTA 2 Max |
| Warranty | 5 years | 5 years | Tie |
| Store price, Oct 16, 2026* | $899 (compare-at $1,599) | $1,049 (list $1,299) | AC200L |
| Price per Wh* | ~$0.44 | ~$0.51 | AC200L |
* Brand-store prices on our check date. They change often and aren’t live. Confirm at the retailer. † BLUETTI’s US manual lists AC overload as 3,000–3,600 W for 5 seconds and over 3,600 W for 0.5 seconds. That’s how the inverter handles brief spikes; it doesn’t obviously match “7,200 W surge.” Check with BLUETTI if you’re starting a big motor.
Check AC200L price at BLUETTI · Check DELTA 2 Max price at EcoFlow
Round 1: Expansion (the “future you” round)
Both let you add batteries later instead of buying a whole new unit.
- AC200L: BLUETTI says it works with up to two B210 or B300 batteries, or one B230. With two B300s, total capacity reaches 8,192 Wh (BLUETTI manual).
- DELTA 2 Max: up to two DELTA 2 Max Smart Extra Batteries for 6,144 Wh (EcoFlow).
⚡ Quick take
If “maybe I’ll want three days of fridge power someday” is a thought you’ve had, the AC200L has the higher ceiling. Just budget for the extra batteries; they aren’t free, and we haven’t priced them here. More: expansion batteries explained.
Round 2: Solar input (the “sunny day refill” round)
- AC200L: 1,200 W max, at 12–145 VDC and 15 A. BLUETTI quotes about 2 hours to recharge with 1,200 W of solar “with prime sunshine, ideal orientation and low temperature” (BLUETTI).
- DELTA 2 Max: 1,000 W via two 500 W inputs (11–60 V, 15 A). EcoFlow says it can charge “in as fast as 2.3 hours” with 1,000 W of solar (EcoFlow).
The AC200L’s wider voltage window (up to 145 VDC) means you can string more panels in series. The DELTA 2 Max splits its input across two ports. Either way, check panel voltage against the limits before you buy. Solar compatibility guide · Solar charging calculator
Real-world harvest depends on panels, angle, weather and season. Manufacturers quote best-case numbers.
Round 3: Weight (the “please lift with your knees” round)
- AC200L: 62.4 lb.
- DELTA 2 Max: 50 lb.
That’s a 12.4 lb difference. If it lives in a utility room and rarely moves, it’s no big deal. If you’ll carry it up from the basement every storm, the DELTA 2 Max is noticeably kinder.
⚡ Quick take
Weight is the DELTA 2 Max’s clearest win. If you’re buying for a cabin, RV or campsite that you’ll haul to, test-lift a 50 lb bag of something first. Seriously.
Round 4: Outlets and UPS
- Outlets: the AC200L has four 120 V/20 A outlets plus a TT-30 (the common RV plug). The DELTA 2 Max has six AC outlets, which is handier for a pile of household plugs.
- UPS: BLUETTI’s manual lists ≤20 ms switching time and several UPS modes. EcoFlow’s DELTA 2 Max spec table doesn’t list a switchover time. (EcoFlow’s newer DELTA 3 series lists <10 ms.)
Who should buy which?
- AC200L: home backup with long-outage plans, solar-heavy setups, RV owners who want a TT-30, and anyone who wants the lower price per Wh on our check date.
- DELTA 2 Max: people who’ll move it often, want six standard outlets, or already own EcoFlow gear.
Important caveats
⚠️ Safety notes
- UPS ≠ online UPS. A 10–20 ms switchover keeps most routers and PCs running, but not everything. BLUETTI’s AC200L manual excludes use with devices that need a high-performance UPS (including medical equipment) from warranty coverage. For CPAP or other medical equipment, confirm with your provider and the device maker. CPAP sizing guide
- No backfeeding. Never plug either unit into a wall outlet to power house wiring; the CPSC warns this endangers utility workers and neighbors (CPSC, PDF). For house circuits, hire a licensed electrician to install a transfer switch or inlet. Transfer switch explainer
- Boost modes are for heaters, not motors. BLUETTI’s manual says Power Lifting is only for resistive loads between 2,400 W and 3,600 W.
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Last checked: October 16, 2026. Spot an error? Let us know.