Head-to-head test
EcoFlow RIVER 2 Max vs Jackery Explorer 600 v2
The Explorer 600 v2 holds 25% more energy and runs 30 decibels quieter than the RIVER 2 Max — the EcoFlow's reply is a $70 lower price and a one-hour charge.
Written by Wenny ZhengUpdated
Portable Power Tester, Station Arena Test Desk
EcoFlow
RIVER 2 Max
2,030Power Score · Appliance Class
$289.00 list · direct from EcoFlow
Jackery
Explorer 600 v2
1,989Power Score · Device Hub
$499.00 list · direct from Jackery
Spec deltas
Two small LFP units built for grab-and-go power, split by capacity and noise. The Jackery Explorer 600 v2 holds 640Wh to the EcoFlow RIVER 2 Max's 512 — a quarter more energy — and it's called the lightest 600Wh-class station going at about 14 poundsB1.
The bigger difference is sound. The Explorer runs a quiet 30dB; the RIVER 2 Max is rated 62dB under load — genuinely loud for a unit this size, the kind of fan you notice at a quiet campsite or beside a CPAP. Both otherwise match on the essentials: 500W output, a 1,000W surge, and a 3,000-cycle battery, landing an identical $0.19 cost-to-own.
The RIVER 2 Max's appeal is price and speed. At $299 it's $70 cheaper than the $369 Explorer, it charges fully in about an hour via EcoFlow's X-StreamA2, and it comes with one of the better apps in the categoryA3. So this is a clean trade: more capacity and quiet from the Jackery, or a lower price and a fast recharge from the EcoFlow.
What the Numbers Reveal
Each conclusion stated first — the numbers behind it on one line, the full analysis below.
For a portable meant to sit beside you at a campsite or run a CPAP overnight, the RIVER 2 Max's 62dB is a real drawback next to the Explorer's 30dB — the difference between a fan you tune out and one that competes with conversation.
the RIVER 2 Max is rated 62dB under loadthe Explorer 600 v2 runs about 30dBboth are small units used for camping and overnight
Why it mattersAnyone using the unit in quiet spaces should weigh the Explorer's silence heavily.
Capacity
The Explorer's extra 128Wh is a quarter more usable energy, and because its higher price buys proportionally more capacity on the same 3,000-cycle battery, its cost-to-own matches the RIVER 2 Max's exactly — so the $70 premium buys real capacity, not just a nameplate.
the Explorer holds 640Wh vs the RIVER 2 Max's 512Whboth cost the same $0.19 per lifetime kWhthe Explorer costs $369 vs the RIVER 2 Max's $299
Why it mattersIf you'll use the extra runtime, the Explorer's capacity is worth its price.
The RIVER 2 Max saves $70 and tops up in about an hour via X-StreamA2 — noticeably faster than most portables — with a capable app for tuning charge speedA3, so for a budget buyer who wants quick turnaround over maximum capacity, it makes a real case.
the RIVER 2 Max costs $299 vs the Explorer's $369the RIVER 2 Max charges fully in about 60 minutesA2the RIVER 2 Max includes the EcoFlow appA3
Why it mattersBudget and fast-recharge buyers get more of what they want from the RIVER 2 Max.
The specific dimensions that decide these two units — everything else is a tie.
What the Specs Don't Tell You
Selected because: The 62dB-vs-30dB noise gap is the single biggest difference here.
Noise decides this one. The RIVER 2 Max is rated 62dB under load — loud for a unit you'd carry to a campsite or run overnight — while the Explorer 600 v2 stays at a quiet 30dB. For small portables, which so often power a CPAP, a fan, or a light in a tent, that 30-decibel gap is the spec that shapes daily use.
Beyond noise, the Explorer holds 25% more energy (640Wh vs 512) and switches over a touch faster for UPS duty. The RIVER 2 Max matches it on output, surge, and cycle life, and beats it on charge speed. But the capacity and quiet are the Jackery's, and they're the differences you feel.
Lifetime Value
Selected because: Identical cost-to-own makes the price-versus-capacity trade the core call.
cost / lifetime kWh
On cost-to-own the two are a dead heat: $0.19 per lifetime kWh each, because the Explorer's higher price buys proportionally more capacity on the same 3,000-cycle battery. Neither is the better long-term value; they're the same value at different sizes.
So the money question is simpler than usual: pay $299 for 512Wh, or $369 for 640Wh. If the extra quarter of capacity earns its $70 for your use, take the Explorer. If you'd rather bank the money and the smaller battery covers you, the RIVER 2 Max is the cheaper way in — with a faster recharge as a bonus.
Portability & Form Factor
Selected because: Both are light; the near-tie in weight is worth naming.
weight
Weight is effectively a tie: 13.4 pounds for the RIVER 2 Max, 14.1 for the Explorer — a difference you won't feel. Both are true grab-and-go units, easy to carry one-handed, and the Explorer earns the title of lightest in its 600Wh classB1.
So portability doesn't separate them, which pushes the decision back onto capacity, noise, and price. Neither is the pick because it's lighter; the Explorer just happens to pack more energy into the same easy carry.
Brand Trust
Selected because: EcoFlow's app and fast charging versus Jackery's lightweight reputation.
EcoFlow brings the software and speed advantages: the RIVER 2 Max's roughly one-hour X-Stream charge is genuinely fastA2, and its app is among the better ones for tuning charge behaviorA3. For quick turnaround and remote control, the EcoFlow is the more modern unit.
Jackery counters with its lightweight reputation and wide availability, though its app is the weakest of the majors. One note on the Explorer 600 v2: it's a newer unit whose rated output and cycle figures vary across listingsB4 — our numbers use the conservative 500W and 3,000 cycles, and its real-world figures may run higher. Both are trustworthy small LFP units; buy on capacity, noise, and price.
Strengths & trade-offs
EcoFlow RIVER 2 Max
Strengths
- +Costs $210 less
- +Lighter by 0.7 lb
- +Faster solar charging
Trade-offs
- –Can receive complaints about fan noise under heavy load.
Jackery Explorer 600 v2
Strengths
- +Larger battery capacity
Trade-offs
- –Substantially more expensive (+$210) than the RIVER 2 Max.
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 small unit covers a full 2,100Wh weekend on its own — both fall well short and assume you recharge or run light loads. For a weekend of phones, lights, and a small fan, the Explorer's larger 640Wh stretches further between charges, while the RIVER 2 Max's faster recharge helps if you have shore power or a fast solar top-up. Plan modest loads with either.
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
Explorer 600 v2
This is the scenario that separates them. A CPAP's ~320Wh night fits inside both units, but the Explorer 600 v2 handles it with more margin — its 640Wh leaves more in reserve than the RIVER 2 Max's 512. And it does it at 30dB, where the RIVER 2 Max's 62dB fan is the last thing you want 18 inches from your head all night. On runtime and quiet, the Jackery wins this one clearly.
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
A full laptop-and-monitor workday near 910Wh outruns both units — the RIVER 2 Max's 512Wh and the Explorer's 640Wh each fall short of a whole untethered day. The Explorer gets closer on its larger battery, but neither is a true all-day desk unit. For a full remote workday, size up; for a half-day or a laptop-only stint, the Explorer's extra capacity is the safer bet.
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
Neither unit can fully handle this scenario (needs 670Wh). You'd need a higher-capacity station or to cut back on usage.
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
For this load: Explorer 600 v2 runs 2.7h vs 2.1h.
$499 list · direct from Jackery
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 0–36.3hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–7.3hHigh-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 13, 2026
Verdict: the Jackery Explorer 600 v2
The Jackery Explorer 600 v2 is the better everyday unit for most buyers. It holds 640Wh to the EcoFlow RIVER 2 Max's 512 — 25% more — and runs a quiet 30dB where the RIVER 2 Max hits a loud 62dB under load, a genuine flaw for a small unit you'd camp or sleep beside. Both share the same 500W output, 1,000W surge, and 3,000-cycle battery, and their cost-to-own is identical at $0.19 per lifetime kWh. The RIVER 2 Max's case is price and speed: at $299 it's $70 cheaper than the $369 Explorer, charges fully in about an hour via X-Stream, and comes with EcoFlow's well-regarded app. Take the Explorer 600 v2 for more capacity and quiet; take the RIVER 2 Max to save $70 or for the fast recharge.
Editor-assigned confidence, based on cited owner research and spec analysis.
List prices as of July 13, 2026. The links below open EcoFlow's and Jackery's current prices.
$499.00 list · direct from Jackery
or check the RIVER 2 Max price$289.00 list
Written by Wenny Zheng, Portable Power Tester · Station Arena Test Desk · Updated July 13, 2026
Measured Data
Benchmark scores and the full spec record, side by side.
Benchmark scores
Not rated for both units (minimum threshold unmet): UPS.
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 2 Max rates 3.9/5 (33rd percentile of 19 Compact-class units), and Explorer 600 v2 rates 3.7/5 (22nd percentile of 19 Compact-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.
62dB versus 30dB — the RIVER 2 Max's real flaw
The RIVER 2 Max is rated 62dB under load, genuinely loud for a small portable, while the Explorer 600 v2 stays at a quiet 30dB. For units this size — so often used for camping, a bedroom, or a CPAP — that 30-decibel gap is the difference between a fan you forget and one that intrudes. It's the single most important spec here, and it points squarely at the Jackery. If you'll run the unit in any quiet space, weigh it heavily.
20ms versus 30ms — a small edge to the Jackery
The Explorer 600 v2 switches to battery in about 20ms; the RIVER 2 Max takes around 30ms. Both are standby-class rather than true line-interactive UPS, so for most gear the difference is invisible. But for a sensitive device on the edge of tolerance, the Explorer's slightly faster cutover is marginally safer. It's a minor point next to the capacity and noise gaps, but it runs the Jackery's way too.
Same 5 years, cheaper per year on the EcoFlow
Both units carry a 5-year warranty, so coverage is identical. Spread over the price, the $299 RIVER 2 Max costs less per warranty year than the $369 Explorer — one of the few columns where the EcoFlow's lower price shows as a value edge. Same protection, same 3,000-cycle battery underneath; you're simply paying less to insure the smaller, cheaper unit.
Full record above — the Test Desk pick is the Explorer 600 v2.
Check Explorer 600 v2 price →or check the RIVER 2 Max 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 RIVER 2 Max wins on both sticker price and long-term value. At $0.19/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 brings the better app and genuinely fast X-Stream charging, making the RIVER 2 Max the quicker, more connected small unit. Jackery counters with the lightest-in-class reputation and wide retail availability, though its app is the weakest of the majors and the Explorer 600 v2's rated specs vary across listings — we use the conservative figures. Both are trustworthy small LFP units with uneven support, so buy from a retailer with an easy return window and let capacity, noise, and price — where the Explorer leads on the first two and the RIVER 2 Max on the third — make the call.
Growth path
RIVER 2 Max
FIXED CAPACITYFixed at 512Wh, with no expansion — so size it for your needs up front rather than planning to add capacity later.
Accepts up to 220W of solar. Limited to a single portable panel.
Adequate ports for most setups, but heavy users may want a power strip.
Explorer 600 v2
FIXED CAPACITYFixed at 640Wh, with no expansion — so size it for your needs up front rather than planning to add capacity later.
Accepts up to 200W 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
Neither expands, and that's no knock on either — each is a complete unit at a fixed size. Buy the capacity that covers your needs now (the Explorer 600 v2 gives you the larger ceiling); you can't add to either later.
What Owners Report
Patterns from published owner reports and long-term reviews — every claim cited to its source below.
EcoFlow RIVER 2 Max
The RIVER 2 Max is praised as a light, fast-charging 512Wh unit — about 13 pounds, lighter than some Li-Ion rivalsA1, with a full X-Stream recharge in roughly 60 minutes that reviewers call far faster than most portablesA2. Its app offers simple remote monitoring and charge-speed controlA3.
In field testing it ran a telescope, a 65-inch TV, two laptops, and phones through a 4-hour event with power to spare on its ~3,000-cycle LFP batteryA4. The unspoken catch is noise — at 62dB under load it's the louder of the two by a wide margin.
“512Wh in a light package of about 13 lbs, lighter than some of its closest competitors that use Li-Ion chemistry.”
Sources
storagereview.com · backuppowerhub.com · gagadget.com · ecoflow.com · thecampingnerd.com · thetechnologyman.com · bestbuy.com
Jackery Explorer 600 v2
The Explorer 600 v2 is framed as the lightest 600Wh-class station on the market at about 14 pounds, roughly 23% smaller than similar-capacity modelsB1, on a newer, stable LFP battery engineered for well over a decade of use — higher than some spec sheets listB2. Owner feedback centers on it being affordable, light, and easy to operateB3.
The honest caveat is spec ambiguity: its rated output varies across listings between 500W and 600WB4, so we use the conservative 500W figure. Within that, it's a quiet, capacious little unit with more energy than the RIVER 2 Max and far less fan noise.
“The world's lightest 600Wh-class power station at about 14 lbs — roughly 23% smaller than similar-capacity models.”
Sources
backuppowerhub.com · jackery.com · bestecosolar.com · mrsolar.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
- Light weight, fast roughly-one-hour charging, and a simple capable app are the standout praise for this 512Wh unit. [RIVER 2 Max · 3 entries]
- Standout light weight (world's lightest 600Wh-class), a newer stable LFP battery, and easy operation are the praise; rated output and cycle figures vary across sources. [Explorer 600 v2 · 3 entries]
- A1
“512Wh in a light package of about 13 lbs, lighter than some of its closest competitors that use Li-Ion chemistry.”
storagereview.com / backuppowerhub.com — RIVER 2 Max review · 2026 · [positive]
- A2
“Fully charges in about 60 minutes via X-Stream charging — far faster than most portable power stations — with multiple charging options.”
gagadget.com / ecoflow.com — RIVER 2 Max review · 2026 · [positive]
- A3
“The EcoFlow app offers simple remote control and monitoring over WiFi and Bluetooth — view charge levels, customize settings, and adjust charging speed from a phone.”
thecampingnerd.com / ecoflow.com — RIVER 2 Max review · 2026 · [positive]
- A4
“Upgraded LFP chemistry rated for about 3,000 cycles, roughly a decade of everyday use; in field testing it powered a telescope, a 65-inch LED TV, two laptops, and phones through a 4-hour event with power to spare.”
thetechnologyman.com / bestbuy.com owner reviews — RIVER 2 Max · 2026 · [positive]
- B1
“The world's lightest 600Wh-class power station at about 14 lbs — roughly 23% smaller than similar-capacity models.”
backuppowerhub.com / jackery.com — Explorer 600 v2 review · 2026 · [positive]
- B2
“Uses a shift to LFP (LiFePO4) chemistry that is chemically more stable and far less prone to overheating, engineered with a rating for well over a decade of lifespan — higher than the figure in some spec listings.”
backuppowerhub.com / bestecosolar.com — Explorer 600 v2 review · 2026 · [positive]
- B3
“Owner feedback highlights that it is affordable, lightweight, easy to carry, and easy to operate.”
backuppowerhub.com — Explorer 600 v2 owner feedback · 2026 · [positive]
- B4
“Listed AC output varies by source — some cite a 600W rating where others show 500W — so its rated output figure is not fully consistent across listings.”
mrsolar.com / jackery.com — Explorer 600 v2 listings · 2026 · [mixed]
Research compiled July 13, 2026.
Who Should Buy Which
Buy the RIVER 2 Max if you…
Buy the Explorer 600 v2 if you…
- →You want more capacity — 640Wh, a quarter more than the RIVER 2 Max — at the same cost-to-own.
- →You'll use it where noise matters: camping, a bedroom, or beside a CPAP, at a quiet 30dB.
- →You want the lightest 600Wh-class unit and don't mind paying $70 more for the extra energyB1.
If neither fits
Both are sub-700Wh units, so neither covers a long outage or high-draw appliances — both cap at 500W output. If you need to run a fridge for hours or a power tool, step up to a 1kWh-plus unit rather than either of these small portables.
The Bottom Line
The Explorer 600 v2 is the better everyday pick: 25% more capacity than the RIVER 2 Max and a quiet 30dB where the EcoFlow hits a loud 62dB under load, all at the same cost-to-ownB1. For camping, overnight, or any use where quiet and runtime matter, the Jackery is the one to carry home.
The RIVER 2 Max answers with genuine value: $70 cheaper at $299, a fast roughly-one-hour recharge, and EcoFlow's appA2A3. If budget leads or you prize quick turnaround over capacity and quiet, it's a smart small unit. Decide whether you're optimizing for more-and-quieter or cheaper-and-faster, and the winner picks itself.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
EcoFlow RIVER 2 Max vs Jackery Explorer 600 v2 — which should I buy?
The Explorer 600 v2 for most buyers: it holds 25% more energy (640Wh vs 512) and runs far quieter (30dB vs the RIVER 2 Max's 62dB under load), for $70 more. Choose the RIVER 2 Max if you want to save the money — it's $299 to the Explorer's $369 — or value its faster roughly one-hour recharge and EcoFlow's app. Their cost-to-own is identical.
Which is quieter?
The Jackery Explorer 600 v2, decisively — it runs about 30dB, while the EcoFlow RIVER 2 Max is rated 62dB under load. For a small unit you'd take camping or run overnight beside a CPAP, that 30-decibel gap is significant: the Explorer is whisper-quiet where the RIVER 2 Max's fan is genuinely loud. If quiet operation matters, the Explorer is the clear pick.
Which charges faster?
The EcoFlow RIVER 2 Max, which reaches a full charge in about 60 minutes via X-Stream — noticeably faster than most portables its size. The Explorer 600 v2 charges more conventionally. If quick turnaround between uses matters to you, the RIVER 2 Max's fast charging is one of its strongest arguments, alongside its lower price.
Which has more capacity?
The Jackery Explorer 600 v2, at 640Wh to the RIVER 2 Max's 512 — about 25% more usable energy. Since both use the same 3,000-cycle battery, that extra capacity comes at the same $0.19 cost-to-own, so the Explorer's $70 premium buys real runtime rather than just a bigger number. If you need the extra energy, it's worth the price.
Where to buy
EcoFlow RIVER 2 Max
$289.00
$289.00 list · direct from EcoFlow
Jackery Explorer 600 v2Pick
$499.00
$499.00 list · direct from Jackery
Prices may vary by retailer and are subject to change.