COMPARISON / 1kWh CLASS
BLUETTI Elite 100 V2 vs EcoFlow DELTA 3 Plus: Which 1kWh Power Station Should You Buy?
Two 1,024Wh / 1,800W stations that look identical on paper. The differences live in size, ports, charging and what happens when you outgrow 1kWh.
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Elite 100 V2
Compact 1kWh for travel and short outages
US 120V model- Nominal energy
- 1,024 Wh
- Rated AC output
- 1,800 W
- Approximate weight
- 25.3 lb
Manufacturer specifications · LiFePO₄ battery
DELTA 3 Plus
1kWh with a path to a larger system
US 120V model- Nominal energy
- 1,024 Wh
- Rated AC output
- 1,800 W
- Approximate weight
- 27.6 lb
Manufacturer specifications · LFP battery
QUICK VERDICT
The core specs are a tie — so buy the differences.
Capacity, rated output, battery chemistry, cycle life and solar input ceiling are effectively identical. Both publish 1,024Wh, 1,800W rated AC output, LFP chemistry, roughly 4,000 cycles to 80%, sub-10ms UPS switching and up to 1,000W solar input.
That means the decision rests on four things: physical size and weight, port count, maximum AC charging input, and expansion headroom. BLUETTI leads on the first; EcoFlow leads on the other three.
Choose the Elite 100 V2 if you carry the unit often, have tight storage, and will never need more than about 1kWh.
Choose the DELTA 3 Plus if you expect your energy needs to grow, want two 140W USB-C ports, or value faster maximum mains charging.
For ordinary car camping and short outages, the practical gap is smaller than the feature lists suggest.
Side-by-side specifications
| Specification | BLUETTI Elite 100 V2 | EcoFlow DELTA 3 Plus |
|---|---|---|
| Nominal capacity | 1,024Wh | 1,024Wh |
| Battery chemistry | LiFePO₄ | LFP |
| Rated AC output | 1,800W | 1,800W |
| Surge / boost mode | Up to 3,600W surge; 2,700W Power Lifting | 3,600W surge; up to 2,200W X-Boost |
| AC charging | Up to 1,200W | Up to 1,500W |
| Solar input | Up to 1,000W | Up to 1,000W |
| UPS switching | ≤10ms | <10ms |
| Cycle life | 4,000+ cycles to 80% | 4,000 cycles to 80%+ |
| Weight | About 25.3lb | About 27.6lb |
| Dimensions | 12.6 × 8.5 × 9.8 in | Approx. 16 × 8 × 11 in |
| Output ports | Powers up to 11 devices | 13 ports |
| USB-C | One 140W; one 100W | Two 140W |
| Connectivity | Wi-Fi and Bluetooth | App connectivity |
| Expansion | Limited compared with the DELTA ecosystem | Expandable up to 5kWh with compatible batteries |
Sources: BLUETTI Elite 100 V2 US product page ↗ and EcoFlow DELTA 3 Plus US product page ↗. Dimension and port figures describe the base unit; bundle contents vary. Verify the exact regional model and current manual before purchase.
Capacity and output: start by eliminating the ties
Both batteries store 1,024Wh and both inverters are rated at 1,800W. Neither gives a runtime advantage from advertised capacity alone.
Actual runtime depends on appliance consumption, inverter efficiency, temperature, standby draw, AC versus DC output and how the appliance cycles. A refrigerator that periodically starts its compressor behaves very differently from a 1,500W heater drawing continuously.
With identical nominal capacity, capacity itself should not be the deciding factor. The same logic applies to output: treat both as 1,800W power stations and ignore the marketing boost figures when sizing ordinary loads.
Reading the boost and surge figures correctly
BLUETTI advertises up to 2,700W Power Lifting and 3,600W surge. EcoFlow specifies X-Boost up to 2,200W and 3,600W surge. Neither should be read as continuous rated inverter output. Boost modes are intended for suitable loads, typically resistive heating, and are not a licence to run arbitrary motors beyond the normal rating.
Typical appliance draw against a 1,800W ceiling:
| Appliance | Typical power draw |
|---|---|
| Laptop | 50–100W |
| TV | 80–150W |
| Refrigerator | 50–300W running |
| CPAP | 30–60W |
| Coffee maker | 800–1,200W |
| Microwave | 1,000–1,500W |
| Power tools | 500–1,500W |
| Hair dryer | 1,200–1,800W |
Ranges are general appliance estimates for planning. Check the actual input wattage on the label of the device you intend to run.
How long will each last?
A useful estimate needs average load, not the largest wattage on a label. For the examples below we assume 80% of nominal energy is available and add a constant 10W overhead. These are planning assumptions, not measured efficiency.
Illustrative runtime = (1,024Wh × 0.80) ÷ (average load + 10W).
| Average connected load | Estimated runtime (both models) |
|---|---|
| 50W | 13.7 hours |
| 100W | 7.4 hours |
| 200W | 3.9 hours |
| 500W | 1.6 hours |
| 1,000W | 0.8 hours |
Because nominal capacity is identical, the two models produce the same illustrative figures here. Any real-world gap would come from inverter efficiency and standby behaviour, which we have not measured. Use our battery planning calculator and refrigerator guide to build a budget for your own equipment.
Portability: the clearest practical difference
The Elite 100 V2 weighs about 25.3lb; the DELTA 3 Plus about 27.6lb. A 2.3lb gap is not decisive on its own. Dimensions are the more interesting number: roughly 12.6 × 8.5 × 9.8 inches versus about 16 × 8 × 11 inches.
Portable power stations spend a surprising amount of time stored or wedged into a vehicle. Those extra inches can decide whether a unit fits under an RV bench, behind a seat, in a cabinet or under a desk. If storage is tight, dimensions deserve nearly as much attention as weight.
Neither is light in the way a small 300Wh battery is. Within the 1kWh class, the BLUETTI simply takes up less space — which matters most for buyers who move the unit frequently between vehicle, campsite, garage and house.
Where the DELTA 3 Plus earns its extra size
EcoFlow spends that volume on connectivity and expansion rather than on capacity. If the station mostly stays in one place, the size penalty is easy to accept in exchange for more ports and a battery-expansion path.
Charging: EcoFlow has more mains headroom
The Elite 100 V2 accepts up to 1,200W AC charging. BLUETTI states approximately 80% in 45 minutes and a full charge in around 70 minutes under its specified conditions. The DELTA 3 Plus accepts up to 1,500W.
On paper EcoFlow has the larger maximum mains input. In practice both are very fast by the standards of earlier generations. The difference matters mainly if you regularly drain the battery heavily, recharge between jobs, move between powered locations, or need repeated charge cycles in a single day.
For occasional camping and outage preparation, both recharge quickly enough that the gap is unlikely to decide the purchase. What matters more is whether a suitable outlet and circuit will be available when you need them — a fast wall-charge rating is no help during an outage with no accessible AC supply.
Solar input is a genuine tie
Both accept up to 1,000W of solar, which is unusually strong for a 1,024Wh station. A high solar-to-battery ratio means you can recover a large share of the battery during a relatively short window of good sunlight, which suits camping, RV travel, overlanding and remote work.
A 1,000W ceiling does not mean your panels will deliver 1,000W. Real output depends on panel configuration, weather, shading, temperature and orientation. But both units leave more solar headroom than most buyers will use, so this category is effectively a draw. See our solar buying guide before choosing panels.
Ports: EcoFlow offers more connections
EcoFlow specifies 13 output ports on the DELTA 3 Plus; BLUETTI says the Elite 100 V2 can power up to 11 devices. Both provide a mix of AC and DC connectivity.
The more pointed difference is USB-C. BLUETTI provides one 140W and one 100W port; EcoFlow provides two 140W ports. If you routinely charge two high-power USB-C laptops at once, EcoFlow's layout is genuinely more useful. For a single laptop plus phones and conventional AC appliances, the practical gap is small.
UPS behaviour and home backup
BLUETTI specifies UPS switchover of ≤10ms; EcoFlow specifies <10ms. Both are positioned for computers, networking gear, NAS systems, CPAP machines and home-office equipment, which makes either more useful at home than a battery that only comes out for camping.
Treat both as essential-device backup, not whole-home batteries. At 1,024Wh they can realistically support a mix of refrigerator, router, phones, laptops, lights and CPAP — but 1kWh disappears quickly under continuous high-power load. Test the complete setup while grid power is available, and verify the requirements of any sensitive equipment rather than assuming every device tolerates every UPS implementation.
Battery longevity is a tie
Both use LFP chemistry with roughly 4,000 cycles to about 80% of original capacity. Even one full cycle daily represents many years before that threshold. Reaching 80% does not mean the battery stops working; it means it is expected to retain roughly that share of original capacity.
Noise
Both manufacturers emphasise quiet operation. BLUETTI specifies operation as low as approximately 30dB under lighter loads; EcoFlow specifies below 30dB around 600W, rising as load increases. We have not measured either unit, and published figures are not comparable unless distance, load and charging mode are specified.
Noise matters most if you are powering a CPAP or keeping the unit near a bed during an outage. There is not enough separation here to make noise a deciding factor.
Expansion: EcoFlow's most significant advantage
EcoFlow states the DELTA 3 Plus can be expanded up to 5kWh using compatible extra batteries. That changes what the product can become over time: a unit bought today as a 1kWh camping battery can later add refrigerator runtime, longer outage protection or more RV capacity.
For a buyer who knows they will never need more than about 1kWh, this is irrelevant. For anyone intending to build a larger system gradually, it is the strongest argument in the comparison.
BLUETTI takes the opposite design approach: the Elite 100 V2 is a compact standalone unit rather than the entry point to a modular battery system. Not everyone wants to assemble an ecosystem.
Camping, RV use and home backup
Camping
For weekend car camping both are more than capable of running a portable refrigerator, coffee maker, laptops, lights, fans, a projector, CPAP equipment and many cooking appliances. The BLUETTI's smaller footprint and lower weight are convenient when vehicle space is limited; the DELTA 3 Plus counters with more ports and a stronger expansion path.
RV use
RV buyers should weigh three things: physical size, solar charging and expansion. Both offer high solar input, so neither is disadvantaged there. The BLUETTI takes up less space; the EcoFlow offers more potential battery capacity later. The choice depends on whether your RV setup is fixed or expected to grow.
Home backup
At standard capacity both are essential-device backup systems. The difference emerges when you need more runtime: EcoFlow's compatible extra batteries give the DELTA 3 Plus a clearer path beyond 1,024Wh. If you only need a compact emergency battery for essential equipment, the BLUETTI's smaller size may be the more valuable attribute.
Pros & cons
Elite 100 V2 strengths
- Notably compact for a 1,024Wh / 1,800W station.
- About 2.3lb lighter than the DELTA 3 Plus.
- Up to 1,000W solar input, strong for this class.
- Wi-Fi and Bluetooth connectivity.
- A simpler standalone purchase with fewer accessory decisions.
Elite 100 V2 limits
- Limited expansion path compared with the DELTA ecosystem.
- Lower maximum AC charging input at 1,200W.
- One 100W USB-C port rather than a second 140W.
DELTA 3 Plus strengths
- Expandable up to 5kWh with compatible batteries.
- 13 output ports for more simultaneous connections.
- Two 140W USB-C ports.
- Higher maximum AC charging input at 1,500W.
- Up to 1,000W solar input.
DELTA 3 Plus limits
- Larger and roughly 2.3lb heavier.
- You may pay for expansion features you never use.
Do not ignore the price difference
Current pricing can override many of the differences above. Portable power station prices move constantly through promotions, holiday sales, bundles, coupons and clearance events, so a comparison built on list prices goes stale quickly.
If one model is substantially cheaper when you are ready to buy, ask whether the other's unique advantages justify the extra cost. If you will never expand, paying a premium purely for expansion capability makes little sense. If the gap is small and you expect to add batteries later, that capability becomes much more valuable. The closer the prices, the more features should drive the decision; the wider the gap, the more value should.
FINAL VERDICT
Compact portability today, or system expansion tomorrow.
These two are unusually close competitors. They share capacity, rated output, chemistry, cycle life, UPS switching and solar ceiling. Everything that separates them comes down to physical size, port layout, mains charging headroom and expansion.
The BLUETTI Elite 100 V2 is the stronger choice as a compact standalone 1kWh station for camping, travel, RV use and frequent moving. The EcoFlow DELTA 3 Plus is the stronger choice as the beginning of a larger power system, thanks to battery expansion, 13 ports, dual 140W USB-C and faster maximum mains charging.
Neither approach is inherently better. Check the current price before deciding.
Still deciding?
These two share capacity, output, chemistry and solar ceiling. If you are weighing a third option, compare it directly.
Other 1kWh pairings
- DELTA 3 Plus vs Anker SOLIX C1000 Gen 2 →
- Elite 100 V2 vs Anker SOLIX C1000 Gen 2 →
- All three 1kWh finalists side by side →
Want one model in full?
Frequently asked questions
Does the Elite 100 V2 or the DELTA 3 Plus have more capacity?
Neither. Both are rated at 1,024Wh nominal capacity, so runtime differences will come from inverter efficiency, standby draw and load behaviour rather than stored energy.
Which has more AC output?
Their rated AC output is the same at 1,800W. Both also advertise boost modes above that rating for suitable loads, which should not be treated as continuous output.
Which is lighter and smaller?
The Elite 100 V2, at about 25.3lb versus about 27.6lb, and roughly 12.6 × 8.5 × 9.8 inches versus about 16 × 8 × 11 inches.
Which charges faster from a wall outlet?
EcoFlow specifies up to 1,500W AC charging against BLUETTI's 1,200W. Actual charge time depends on the charging mode, the outlet and circuit, and operating conditions. We have not measured either.
Can either run a refrigerator?
Yes, a normal refrigerator falls well within the 1,800W rated output of both. Actual runtime depends on average consumption and compressor cycling rather than the nameplate rating.
Which is better if I want more battery capacity later?
The DELTA 3 Plus has the clearer path. EcoFlow states it can expand up to 5kWh with compatible batteries. The Elite 100 V2 is designed as a standalone unit, so confirm the exact supported configuration before buying for expansion.
Are both LiFePO₄?
Yes. Both use LFP/LiFePO₄ chemistry and are rated for roughly 4,000 cycles before reaching about 80% of original capacity.
Is the DELTA 3 Plus worth paying more for?
Only if you will use expansion, the extra ports or the faster mains charging. If none of those matter for your routine, compare current prices carefully before paying a premium.
Did WattPick Lab test these power stations?
No. This is a research-based comparison using manufacturer documentation and labelled calculations. We have not measured usable capacity, charging speed, noise or long-term reliability.
Sources & editorial method
Research checked September 24, 2026. This comparison covers the US versions of both models. We use official documentation for specifications and label every calculation as an estimate. None of the linked material establishes performance for every firmware version or environment.
- BLUETTI Elite 100 V2 US product page ↗ — capacity, output, charging, solar input and weight.
- EcoFlow DELTA 3 Plus US product page ↗ — capacity, output, ports, charging and expansion claims.
We have not published measured usable-energy, noise or reliability figures for either model. Merchant prices, sales counts and customer ratings are not treated as our test evidence. Live offers and bundle contents should be checked at the retailer.