Head-to-head test
EcoFlow RIVER 3 PLUS vs Jackery Explorer 300D
Two batteries born almost the same size, 286Wh against 288Wh, and only one of them can grow. The RIVER 3 Plus adds an expansion path, double the inverter power, and triple the outlets — now for about $80 more, not less, after the Explorer's price drop.
Written by Wenny ZhengUpdated
Portable Power Tester, Station Arena Test Desk
EcoFlow
RIVER 3 PLUS
1,917Power Score · Device Hub
$259.00 list · direct from EcoFlow
Jackery
Explorer 300D
1,774Power Score · Device Hub
$179.00 list · direct from Jackery
Spec deltas
Start with the batteries and this is nearly a tie: 286Wh for the RIVER 3 Plus, 288Wh for the Explorer 300D, 2Wh apart. Everything built around that battery is where the RIVER 3 Plus pulls away.
It runs a 600W inverter with a 1,200W surge against the Explorer's 300W/600W, feeds from three AC outlets instead of one, takes in 200W of solar against 100W, and switches to battery in under 10ms against under 20. It also supports an expansion battery that can push capacity to 572Wh or 858Wh — the Explorer's 288Wh is the most it will ever hold.
All of that now costs about $80 more than the Explorer, which has dropped to $179 against the RIVER 3 Plus's $259. The Explorer's rebuttal is that lower price, a second USB-C port, and 2.13 fewer pounds to carry. That's a real case, but a narrow one against a unit that outguns it on power, outlets, solar, switchover speed, and growth room.
What the Numbers Reveal
Each conclusion stated first — the numbers behind it on one line, the full analysis below.
continuous output
That inverter gap isn't academic — a coffee maker, hair dryer, or small space heater routinely draws past 300W at startup, which the Explorer's inverter can't clear at all. The RIVER 3 Plus's 1,200W surge has real headroom for exactly that kind of appliance.
RIVER 3 Plus runs a 600W inverter with 1,200W surge; Explorer 300D runs 300W with 600W surgeRIVER 3 Plus has 3 AC outlets against the Explorer's 1RIVER 3 Plus costs $259 against the Explorer's $179
Why it mattersAnyone planning to run something with a motor or a heating element off this unit needs the RIVER 3 Plus; the Explorer's inverter rules that category out before price even enters the discussion.
Capacity
The Explorer's ceiling is wherever you are the day you buy it. The RIVER 3 Plus can double or triple its own capacity later without replacing the base unit — the option costs money when you use it, but the door is open, and the Explorer's door doesn't exist.
RIVER 3 Plus expands to 572Wh or 858Wh with an add-on batteryExplorer 300D is a closed system capped at 288Whthe two units start almost identical at 286Wh and 288Wh
Why it mattersBuyers whose needs might grow — more gear, longer trips, a slow shift toward partial home backup — get a real upgrade path with the RIVER 3 Plus, worth the roughly $80 premium if there's any chance the day-one capacity won't be enough.
solar input
Doubling solar input on a similarly sized battery means meaningfully less time parked in the sun waiting for a full charge, which matters most exactly when you're off-grid and don't have a wall outlet as a backup plan.
RIVER 3 Plus takes 200W of solar input against the Explorer's 100WRIVER 3 Plus switches to battery in under 10ms against the Explorer's under 20msRIVER 3 Plus runs under 30dB against the Explorer's 45dB
Why it mattersVan-lifers and blackout preppers who recharge primarily off panels get their unit back to full in roughly half the sun-hours with the RIVER 3 Plus.
The specific dimensions that decide these two units — everything else is a tie.
Growth Path
Selected because: The defining structural difference between two near-identical base batteries — one can expand, one can't.
solar input
This is the headline difference on an otherwise near-tied base battery. The RIVER 3 Plus can take an add-on battery up to 572Wh or 858Wh; the Explorer 300D holds exactly what it held the day it was unboxed, forever.
Growth on the RIVER 3 Plus isn't automatic or free — the expansion battery is its own purchase and its own extra weight to carry, so buying the base unit today doesn't hand you tomorrow's capacity for nothing. The honest version of this section is that most buyers never add the expansion pack. What it buys you is the option — part of what the roughly $80 premium over the Explorer pays for, even before the doubled inverter and extra outlets.
Your Life, Your Pick
Selected because: Tailgate Party shows a real gap driven by the inverter wattage difference; worth explaining rather than leaving as a bare number.
Most of the six scenarios land close between these two — Weekend Camping and an 8-Hour Blackout are within a few percentage points either way, since the base batteries are nearly the same size. Tailgate Party is the outlier, and the inverter explains why: the RIVER 3 Plus's 600W/1,200W-surge inverter can start higher-draw gear like a griddle or a blender that simply trips the Explorer's 300W ceiling.
Neither unit is really sized for a full day of tailgating equipment run back to back, so don't read this as either one 'winning' the scenario outright. But if you're choosing between the two specifically for that kind of use, the RIVER 3 Plus's extra wattage headroom is the real, usable difference.
What the Specs Don't Tell You
Selected because: Four cards fire (noise, expansion, ups, warranty), all pointing the same direction — a clean sweep worth naming.
rated cycles
Four cards fire on this pairing, and all four favor the RIVER 3 Plus: it's quieter (under 30dB against 45), it switches to battery faster (under 10ms against under 20), it's the only one of the two with an expansion path, and it's backed for five years against three. That's every card on the board pointing one direction.
The expansion card is worth reading as a warning about the Explorer specifically, not a bonus feature on the RIVER 3 Plus: once you outgrow 288Wh on the Explorer, the only fix is buying an entirely new unit. On the RIVER 3 Plus, the fix is an add-on battery instead.
Brand Trust
Selected because: Cross-brand pair; worth a look given how one-sided the spec sheet already runs.
EcoFlow's ecosystem is the deeper one here too — a dozen-plus models, an app rated 4.6 stars on iOS against Jackery's 2.3-to-3.3 range, and the larger, more active owner community of the two brands. On a pair this lopsided on spec, the brand column just reinforces the lean rather than complicating it.
Jackery's advantage remains where it's always been: wider retail distribution through Costco, Home Depot, Best Buy, and Amazon, which makes an in-person return easier if a unit arrives defective. That's real value on a sub-$300 purchase, just not enough to offset an inverter that's half the wattage and a battery that can't grow.
Strengths & trade-offs
EcoFlow RIVER 3 PLUS
Strengths
- +Higher AC output
- +Longer warranty
- +Faster solar charging
Trade-offs
- –Substantially more expensive (+$80) than the Explorer 300D.
- –Shorter-lived battery — rated for 3,000 charge cycles vs the Explorer 300D's 4,000, so it wears out sooner.
Jackery Explorer 300D
Strengths
- +Costs $80 less
- +Lighter by 4.9 lb
- +Larger battery capacity
- +Rated for 4,000 charge cycles — much longer battery lifespan
Trade-offs
- –No major technical downsides compared to rival.
Will It Power Your Gear?
Scenario math and per-appliance runtimes, modeled from the spec record.
Scenario verdicts
We ran the math on six real-world scenarios. Here's which unit survives your actual life.
SCN-01 · 2 nights · needs 2,100Wh
Weekend Camping
Two nights off-grid with essential comfort
Neither unit
Neither unit can fully handle this scenario (needs 2,100Wh). You'd need a higher-capacity station or to cut back on usage.
Battery budget usedlower = more headroom
LOAD Phone Charger 15W×6h · LED Lights 40W×8h · Box Fan 75W×14h · CPAP Machine 40W×16h
SCN-02 · 8 hours · needs 1,645Wh
8-Hour Blackout
Keep the essentials running through a night without power
Neither unit
Neither unit can fully handle this scenario (needs 1,645Wh). You'd need a higher-capacity station or to cut back on usage.
Battery budget usedlower = more headroom
LOAD Fridge 150W×8h · Router + Modem 20W×8h · LED Lights (4 bulbs) 40W×6h · Phone Charger 15W×3h
SCN-03 · 8 hours · needs 320Wh
CPAP Overnight
Sleep therapy without interruption — the #1 medical use case
Neither unit
Neither unit can fully handle this scenario (needs 320Wh). You'd need a higher-capacity station or to cut back on usage.
Battery budget usedlower = more headroom
LOAD CPAP Machine 40W×8h
SCN-04 · 8 hours · needs 910Wh
Remote Workday
Full work day off-grid without power anxiety
Neither unit
Neither unit can fully handle this scenario (needs 910Wh). You'd need a higher-capacity station or to cut back on usage.
Battery budget usedlower = more headroom
LOAD Laptop 60W×8h · External Monitor 30W×8h · Router + Modem 20W×8h · Phone Charger 15W×2h
SCN-05 · 4 hours · needs 670Wh
Tailgate Party
Game day power for the crew
Neither unit
The RIVER 3 Plus comes closer to covering a full tailgate day than the Explorer 300D does, mostly because its 600W/1,200W-surge inverter can actually start higher-draw gear like a griddle or a blender that trips the Explorer's 300W ceiling. Neither unit is really sized for a full day of tailgating equipment, but between these two, the extra wattage headroom is the real, usable edge.
Battery budget usedlower = more headroom
LOAD Blender 400W×0.5h · LED TV (55") 80W×4h · Bluetooth Speaker 15W×4h · Phone Charger (×3) 45W×2h
SCN-06 · 24 hours · needs 4,685Wh
Van Life Daily
A full day of mobile living — the ultimate endurance test
Neither unit
Neither unit can fully handle this scenario (needs 4,685Wh). You'd need a higher-capacity station or to cut back on usage.
Battery budget usedlower = more headroom
LOAD Mini-Fridge 150W×24h · Laptop 60W×4h · Phone Charger 15W×3h · LED Lights 40W×5h · Fan 75W×8h
The Load Test
RUNTIME = (Wh × 0.85) ÷ LOAD
None of the six scenarios above exactly yours? Build it. Toggle what you'd plug in; both units are tested against the combined draw.
Essentials
Comfort & Convenience
High-Draw Appliances
Test duration
8h
Continuous draw
205W
Projected runtime
Dead heat — both run this 205W load for roughly 1.2h. Pick on price, weight, or ports.
Modeled from the spec record — same math as the tables below. Methodology
Runtime by appliance
Real-world runtime estimates for common appliances, modeled at 85% inverter efficiency.¹
Essentials
The basics you need runningscale 0–16.3hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–3.3hHigh-Draw Appliances
These reveal the real limits¹ Runtime = (capacity × 0.85) ÷ appliance watts. Within each group, all bars share one time scale (the group's longest runtime), so lengths are comparable across appliances; identical runtimes collapse into a single blue/orange bar. Actual runtime varies with battery age, temperature, and simultaneous loads — see methodology.
Conclusion
July 14, 2026
Verdict: the EcoFlow RIVER 3 PLUS
Base capacity is nearly a wash — 286Wh against 288Wh, 2Wh apart. Everything built around that battery favors the RIVER 3 Plus: a 600W inverter with 1,200W surge against the Explorer's 300W/600W, three AC outlets against one, 200W of solar input against 100W, a sub-10ms switchover against sub-20ms, and an expansion path to 572Wh or 858Wh that the sealed Explorer simply doesn't have. The one thing that reversed is price: the RIVER 3 Plus now costs about $80 more, $259 against $179, so it's the premium pick rather than the cheaper one. The Explorer's edges are that lower price, a second USB-C port, and being 2.13 lbs lighter. For double the output and a growth path the Explorer can't match, the premium is worth it — take the RIVER 3 Plus.
Editor-assigned confidence, based on cited owner research and spec analysis.
List prices as of July 14, 2026. The links below open EcoFlow's and Jackery's current prices.
$259.00 list · direct from EcoFlow
or check the Explorer 300D price$179.00 list
Written by Wenny Zheng, Portable Power Tester · Station Arena Test Desk · Updated July 14, 2026
Measured Data
Benchmark scores and the full spec record, side by side.
Benchmark scores
Not rated for both units (minimum threshold unmet): UPS, CPAP, Solar Generator, Tailgating.
Full specifications
ᵈ Derived: price ÷ rated capacity. See the data behind our comparisons →
Comparison ToolAdd more power stations, side by sideOpen Tool →How these numbers are produced
Numeric verification
Every figure on this page traces to our spec database or arithmetic on it — no estimated numbers.
Owner claims
Statements about owner experience are cited to published reviews — see Sources & Research Notes below.
Runtime model
Runtime = (rated capacity × 0.85 inverter efficiency) ÷ device wattage. Solar recharge estimates assume panels deliver 70% of rated output. Cold weather, battery age, and stacked loads reduce real-world results.
Power Score
Computed from 14 published spec dimensions, weighted per use-case bench. Higher is better; a unit must meet a bench's minimum threshold to be rated.
See the full weight table and data sourcing on our methodology page →Class ranking (the star rating)
Each unit's star score is a category ranking, not customer reviews — no buyer opinions feed it. We score every station on size-independent quality (value, output, portability, endurance, ports, warranty, and more), then percentile-rank it against the other units in its capacity class, so a class-leading compact unit and a class-leading whole-home unit can both earn 5★. Here, RIVER 3 PLUS rates 5.0/5 (99th percentile of 22 Personal-class units), and Explorer 300D rates 4.8/5 (86th percentile of 22 Personal-class units).
How the class ranking is computed →Test Notes & Caveats
Hidden gotchas and advantages we spotted that you won't find on the product page.
Explorer 300D: 45dB Under Load
45dB is about as loud as a running refrigerator. If you're running a CPAP or sleeping near this unit, the fan noise may be noticeable. Most people find anything above 45dB disruptive for sleep.
One Door Open, One Door Closed
The RIVER 3 Plus can grow to 572Wh or 858Wh with an add-on battery, but that battery is its own purchase and its own extra weight to carry — buying the base unit today doesn't hand you tomorrow's capacity for free. Still, the option exists. The Explorer 300D's ceiling is wherever you are the day you buy it, full stop.
Only the RIVER 3 PLUS Has UPS Protection
The RIVER 3 PLUS can act as an uninterruptible power supply. Plug your PC, router, or CPAP into it and it switches to battery seamlessly during an outage. The Explorer 300D doesn't have this feature, so connected devices will experience a power interruption.
Warranty Value Comparison
The RIVER 3 PLUS gives you 19.3 years of warranty per $1,000 spent, vs the Explorer 300D's 16.8 years. That's 1.2× more coverage per dollar. An underrated factor if you're keeping this unit for years.
Battery Lifespan in Real Years
The Explorer 300D is rated for 4,000 cycles vs 3,000. In real life: at daily use, that's 11 vs 8.2 years. At weekend use (twice a week), it's 38 vs 29 years. After hitting the cycle limit, the battery doesn't die. It drops to ~80% original capacity, which is still very usable.
Full record above — the Test Desk pick is the RIVER 3 PLUS.
Check RIVER 3 PLUS price →or check the Explorer 300D priceOwnership Analysis
What happens after you buy — true cost of ownership, brand trust, and growth potential.
Lifetime value
Service lifeyears at one full cycle per day
Lifetime energy delivered
Cost per delivered kWh
│ warranty ends · Reaching the cycle rating means ~80% capacity remains — degraded, not dead.
Analyst note
The Explorer 300D wins on both sticker price and long-term value. At $0.16/kWh over its lifetime, it's meaningfully cheaper to own. Clear value winner.
Brand trust
EcoFlow
Ecosystem
Largest in portable power — 12-15 models across DELTA Pro, DELTA 3, and RIVER 3 series, plus solar panels and smart home panels
Support
US-based phone/email/chat support (1-800-368-8604). Experiences are polarized — many report hassle-free prepaid-label replacements, but others report long waits and refurbished units sent for new claims. Pro tip: buying from Costco or Amazon gives you a stronger return safety net.
Community
Largest community in the space — Reddit r/Ecoflow_community (~31K members), multiple Facebook groups, and an official community forum
App experience
Rated 4.6/5 iOS (~8,400 ratings) · 4.2/5 Android (~17,000 ratings)
Unique strength
Fastest-charging technology (X-Stream), deepest product ecosystem, and most active innovation cadence. Supports up to 180kWh modular expansion with DELTA Pro Ultra X.
Worth knowing
The Oct 2025 DELTA Max 2000 recall (overheating/fire risk, 6 incidents) is worth noting. Also tested subscription paywalls for advanced app features in early 2025 before community backlash paused the plan. No parts or service offered out of warranty.
Jackery
Ecosystem
12-15+ models across Explorer (portable) and HomePower (home backup) series, plus SolarSaga panel ecosystem and innovative form factors
Support
US-based support but widely criticized. Reddit reports describe slow/dismissive responses, scripted AI agents, strict receipt requirements for warranty claims, and refurbished replacements for clearly defective units. Strongly recommended: buy from Costco or Amazon for return protection.
Community
Smallest community of the major brands — Reddit r/Jackery has ~2,000 members. YouTube presence is solid due to brand recognition.
App experience
Rated 2.3-3.3/5 iOS and Android — the weakest app experience of the major brands. Multiple confusing apps (Jackery app vs Jackery Home) and mandatory login even offline.
Unique strength
Highest brand recognition and widest retail distribution (Costco, Home Depot, Best Buy, Amazon). The "Toyota" of power stations — dependable, proven, wide availability. Innovative form factors like the Solar Gazebo and Solar Mars Bot.
Worth knowing
A couple of older models still ship NMC chemistry with a shorter rated lifespan, so check the cycle rating on the specific unit — though most of the current line has moved to LFP. Generally perceived as overpriced for the specs offered compared to newer competitors. App experience is significantly behind rivals.
Analyst note
EcoFlow and Jackery are close competitors. Both have established support channels and growing ecosystems. Compare their specific warranty terms and community size for your peace of mind.
Growth path
RIVER 3 PLUS
EXPANDABLESupports EcoFlow expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 286Wh.
Accepts up to 200W of solar. Limited to a single portable panel.
Adequate ports for most setups, but heavy users may want a power strip.
Expansion batteries are EcoFlow-specific. You're investing in the EcoFlow ecosystem.
Explorer 300D
FIXED CAPACITYFixed at 288Wh, with no expansion — so size it for your needs up front rather than planning to add capacity later.
Accepts up to 100W of solar. Limited to a single portable panel.
Limited ports. You'll likely need a power strip or splitter.
Realistic full solar rechargeat 70% of rated panel output — see methodology
Analyst note
Don't read the RIVER 3 PLUS's expandability as a straight win here: it starts at 286Wh, below the Explorer 300D's 288Wh, so a first expansion battery largely buys back capacity the Explorer 300D already includes. It only pulls ahead if you'd grow past 288Wh — short of that, the Explorer 300D's larger fixed capacity is the simpler value.
What Owners Report
Patterns from published owner reports and long-term reviews — every claim cited to its source below.
EcoFlow RIVER 3 PLUS
The standout claim in RIVER 3 Plus coverage is the doubled inverter and solar input over the base RIVER 3 — a genuine 600W inverter with 1,200W surge and 200W of solar input, on a 286Wh base that expands to 572Wh or 858Wh with an add-on batteryA1. Reviewers independently flag the sub-30dB noise floor as remarkable, quieter than a library and most refrigeratorsA2.
At around 10.4 lbs it's still called highly portable for what it can do — reviewers note it can briefly run a coffee maker, microwave, or space heater, a real step up from a device-charging-only unitA3. LiFePO4 cells rated for 3,000 cycles round out the case for roughly a decade of everyday use.
“286Wh base, expandable to 572Wh (EB300) or 858Wh (EB600), with a genuine 600W inverter (1,200W X-Boost) and 220W solar input — twice the inverter and solar of the base RIVER 3.”
Sources
ecoflow.com · bestgeneratorsolar.com · thepowerpick.com · storagereview.com · phonearena.com · greenreviewshub.com
Jackery Explorer 300D
Coverage keeps circling back to the 288Wh LiFePO4 pack and what it's built to survive — reviewers describe it as good for roughly a decade of regular use, but note it's a sealed design with no expansion path by intentB1. Three ports carry the charging load: two USB-C plus one USB-A, headlined by a 100W-class port aimed at laptops and drones rather than just phonesB3.
Reviewers land it around 4.3 out of 5 as a portability-first pick for digital nomadsB4, and the upright, speaker-shaped body at about 5.5 lbs is the most-cited physical trait in the recordB2. What the coverage doesn't offer is any path to more capacity later — by design, whatever you buy is what you keep.
“288Wh of LiFePO4 capacity rated for over 4,000 cycles — around a decade of regular use — built entirely around DC output with no inverter or AC outlet.”
Sources
jackery.com · solarwaypoint.com · eu.jackery.co · toolhuntr.com
Sources & Research Notes
Every owner claim in this report is traceable to a published source. The bracketed references above resolve here.
Recurring owner themes
- Expandable capacity, doubled inverter and solar over the base RIVER 3, remarkable sub-30dB quiet, and light weight are the praise. [RIVER 3 PLUS · 3 entries]
- Light DC-only design (no AC), LFP 4,000-cycle longevity, and modern USB-C fast charging for device users are the highlights. [Explorer 300D · 3 entries]
- A1
“286Wh base, expandable to 572Wh (EB300) or 858Wh (EB600), with a genuine 600W inverter (1,200W X-Boost) and 220W solar input — twice the inverter and solar of the base RIVER 3.”
ecoflow.com / bestgeneratorsolar.com — RIVER 3 Plus review · 2026 · [positive]
- A2
“Sub-30dB operation is genuinely remarkable — quieter than a library and than most refrigerators.”
thepowerpick.com — RIVER 3 Plus review · 2026 · [positive]
- A3
“Weighs about 10.4 lbs and is highly portable; a small-format station that grows with you, able to briefly run a coffee maker, microwave, or space heater.”
storagereview.com / phonearena.com — RIVER 3 Plus review · 2026 · [positive]
- B1
“288Wh of LiFePO4 capacity rated for over 4,000 cycles — around a decade of regular use — built entirely around DC output with no inverter or AC outlet.”
jackery.com / solarwaypoint.com — Explorer 300D review · 2026 · [positive]
- B2
“A unique vertical, speaker-like form factor at about 5.5 lbs, significantly smaller and lighter than traditional models.”
jackery.com (EU) — Explorer 300D · 2026 · [positive]
- B3
“Up to 300W total DC output via 3x USB-C, 1x USB-A, and a car socket, with 140W PD fast charging for laptops, drones, and gear.”
eu.jackery.com — Explorer 300D · 2026 · [positive]
- B4
“Rated about 4.3/5 — ideal for digital nomads and outdoor enthusiasts who prioritize portability and modern device charging.”
toolhuntr.com — Explorer 300D review · 2026 · [positive]
Research compiled July 14, 2026.
Who Should Buy Which
Buy the RIVER 3 PLUS if you…
- →Anyone who wants to run something with a motor or heating element — a coffee maker, a small space heater, a blender — off battery power. The 600W/1,200W-surge inverter can start loads the Explorer's 300W simply can't.
- →Buyers whose power needs might grow over the next few years. The expansion path to 572Wh or 858Wh means not having to replace the whole unit if a bigger trip or a longer outage shows up later.
Buy the Explorer 300D if you…
- →Travelers who specifically want the lightest, cheapest box and are charging phones, laptops, and cameras exclusively over USB-C — the Explorer is now about $80 less, 2.13 lbs lighter, and has a second USB-C port.
- →Buyers who know their needs are fixed and small and never plan to grow past 288Wh, and who value Jackery's wider retail return network over expansion room they'll never use.
If neither fits
If the plan is a multi-day blackout or full-scale van life power, neither of these small units gets you there even with the RIVER 3 Plus's expansion battery attached. Look at a 1,000Wh-plus station built around a home-backup use case; these two are built for weekends and device charging, not for running a household.
The Bottom Line
Two batteries within 2Wh of each other on day one, and only the RIVER 3 Plus has anywhere left to go. It doubles the Explorer's inverter wattage, triples its outlet count, doubles its solar input, and adds a real expansion path — now for about $80 more, after the Explorer dropped to $179.
The Explorer's case is now a lower price, a second USB-C port, and 2.13 fewer pounds. That's real for a budget-minded daily-carry traveler, but for anyone who needs the output headroom or room to grow, the RIVER 3 Plus does more and grows more, and earns its premium. Take the RIVER 3 Plus.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Does the EcoFlow RIVER 3 Plus expand, and can the Jackery Explorer 300D?
Yes for the RIVER 3 Plus — it accepts an add-on battery that pushes total capacity to 572Wh or 858Wh. The Explorer 300D is a sealed system; whatever capacity you buy, 288Wh, is the most it will ever hold.
Can the RIVER 3 Plus run a coffee maker or space heater?
Briefly, yes — its 600W inverter with a 1,200W surge has headroom for small appliances like these, and owner coverage specifically notes this use case. The Explorer 300D's 300W/600W-surge ceiling can't start most appliances in that category at all.
Which has more AC outlets, the RIVER 3 Plus or the Explorer 300D?
The RIVER 3 Plus, with three AC outlets against the Explorer's one. It also takes in twice the solar power (200W against 100W) and switches to battery about twice as fast (under 10ms against under 20).
Is the RIVER 3 Plus worth about $80 more than the Jackery Explorer 300D?
For most buyers weighing these two, yes — the RIVER 3 Plus is $259 against the Explorer's $179, and that roughly $80 premium buys a doubled inverter, tripled outlet count, twice the solar input, and an expansion path the sealed Explorer doesn't have. It's a genuine premium now rather than a cheaper-and-better upset, but the capability gap justifies it unless you only ever charge USB devices.
Where to buy
EcoFlow RIVER 3 PLUSPick
$259.00
$259.00 list · direct from EcoFlow
Jackery Explorer 300D
$179.00
$179.00 list · direct from Jackery
Prices may vary by retailer and are subject to change.