1kWh portable
Explorer 1000 v2 vs DELTA 3 Plus
A $100 price gap separates a simple 1kWh box from a faster, more expandable one. We compare the features you will actually notice.
Best overallEcoFlow DELTA 3 Plus
Compact stations · Head-to-head
EcoFlow RIVER 3 Plus vs Bluetti Elite 100 mini: Tiny Box, Different Job
One is a backpacking battery with a clip-on expansion path; the other is a 1kWh apartment backup that happens to be small. Both are useful, but not for the same buyer.
Our pick · Best for backup
Bluetti Elite 100 mini
The Bluetti Elite 100 mini is the better choice for apartment outages, CPAP backup, and anyone who wants a full 1kWh in a small box. The EcoFlow RIVER 3 Plus is the better choice for backpacking, desk UPS duty, and ultralight travel.
4.5WattBench
score / 10
score / 10
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Quick take
Which one fits your loads?
Choose EcoFlow if
RIVER 3 Plus
- You need the lightest possible station at 10.4 lb
- You want a <10ms UPS for a router or desk
- You want to start at 286Wh and expand to 858Wh later
Choose Bluetti if
Elite 100 mini
- You want a full 1kWh in a 23.6 lb body
- You want 700W output and a 1,400W surge
- You want the longest runtime for the money in a compact package
Specifications
The numbers side by side
Green marks the stronger figure in that row. A stronger spec is not automatically the better product for your loads.
| Spec | EcoFlow RIVER 3 Plus | Bluetti Elite 100 mini |
|---|---|---|
| Rated capacity | 286 Wh | 1,004 Wh |
| Usable (85%) | 243 Wh | 853 Wh |
| Continuous output | 600 W | 700 W |
| Surge | 1,200 W | 1,400 W |
| Chemistry | LiFePO4 | LiFePO4 |
| Weight | 10.4 lb | 23.6 lb |
| AC input | 380 W | 700 W |
| Recharge time | ~1 hr (380W) | 80% in 90 min (~700W) |
| Solar input | 220 W | 350 W |
| Expansion | 858 Wh | No |
| Warranty | 5 years | 5 years |
| Street price | $249–$329 | $429–$549 |
| Cost / usable Wh | $1.15 | $0.56 |
Manufacturer-published figures, checked November 2026. Usable energy uses our 85% rule. Green cells mark the stronger spec, not the better product for your loads.
WattBench score
How the two stations stack up
Weighted across six dimensions. The score is a starting point, not a verdict for your specific loads.
EcoFlow RIVER 3 Plus · 3.1/10Bluetti Elite 100 mini · 4.5/10
Capacity25%
Output20%
Portability15%
Recharge15%
Expandability10%
Value15%
Capacity 25%, output 20%, portability 15%, recharge 15%, expandability 10%, value 15%. Read the methodology.
The short version
These are not direct substitutes. The RIVER 3 Plus is a 286Wh station that expands to 858Wh and weighs 10.4 lb. The Elite 100 mini is a 1,004Wh station that weighs 23.6 lb and does not expand.
If you are choosing by capacity per dollar, the Bluetti wins easily. If you are choosing by ounces on your back, the EcoFlow wins.
Capacity: 1,004Wh versus 286Wh
The Elite 100 mini stores 3.5 times as much energy as the base RIVER 3 Plus. After the 85% adjustment, that is about 853Wh versus 243Wh.
Even with the RIVER's clip-on battery, total capacity reaches 858Wh, still slightly below the Bluetti. The expansion helps, but it adds cost and another piece to carry.
Weight and portability
The RIVER 3 Plus is 10.4 lb and small enough for a daypack. The Elite 100 mini is 23.6 lb, which is carry-on sized but not backpacking light.
For a weekend hike or a bike commute, the EcoFlow is the only one of the two that makes sense. For a car camp or an apartment, the Bluetti's extra capacity is worth the weight.
Output and surge
The RIVER 3 Plus delivers 600W continuous and 1,200W surge. The Elite 100 mini delivers 700W continuous and 1,400W surge. Neither is designed for a space heater or a large microwave.
The Bluetti's extra 100W helps with a small fridge or a blender. The EcoFlow's lower output is fine for lights, laptops, phones, and a CPAP without a humidifier.
Solar and expansion
The RIVER 3 Plus accepts up to 220W of solar and expands to 858Wh. Bluetti does not publish a solar input for the Elite 100 mini; treat it as an AC-first backup unit unless the listing for your region says otherwise.
That is a significant difference for off-grid use. If solar recharging is part of the plan, the EcoFlow is the clearer choice. If you will recharge from a wall outlet, the Bluetti's larger battery is more useful.
Which should you buy?
Buy the Elite 100 mini for apartment outages, CPAP backup, and keeping a router and laptop alive. It is the more practical 1kWh-class box for the money.
Buy the RIVER 3 Plus for backpacking, a desk UPS, or a travel kit where every pound counts. It is a specialty tool, not a whole-home backup.
Runtime math
How long each station lasts
Same formula for both: rated capacity x 0.85, divided by the load. Real appliances cycle, so treat these as planning estimates.
| Load | Average draw | RIVER 3 Plus | Elite 100 mini |
|---|---|---|---|
| Refrigerator (avg.) | 75 W | 3.2 hr | 11 hr |
| CPAP (no humidifier) | 40 W | 6.1 hr | 21 hr |
| Wi-Fi + laptop | 60 W | 4.1 hr | 14 hr |
| Microwave | 1,000 W | 15 min | 51 min |
| Space heater | 1,500 W | 10 min | 34 min |
Estimates use 85% of rated capacity and a constant average load. Real appliances cycle; a fridge's duty cycle and ambient temperature change the result. Run your own numbers.
FAQ
Questions buyers actually ask
Can the RIVER 3 Plus run a CPAP?
Yes, without a heated humidifier. At a 40W draw it runs about 6 hours; with the expansion battery, about 18 hours. A humidifier can double the draw.
Can the Elite 100 mini run a refrigerator?
It can run a small, efficient fridge for roughly 11 hours at a 75W average draw. A full-size fridge with frequent door openings will be shorter.
Which is better for backpacking?
The RIVER 3 Plus, at 10.4 lb. The Elite 100 mini is nearly 24 lb and is better suited to car camping or apartment backup.
Does the Elite 100 mini accept solar?
Bluetti does not publish a solar input for the Elite 100 mini. Check the current listing for your region before buying it as a solar generator.
Which has more usable capacity?
The Elite 100 mini, at about 853Wh versus 243Wh for the base RIVER 3 Plus and 729Wh with the RIVER's expansion battery.
Before you buy
Check the current price and bundle.
Street prices move. The price band on this page is a research snapshot, not a live quote. Verify the current price, included accessories, and warranty terms at the merchant.