Head-to-head test
Jackery Explorer 3000 v2 vs Jackery HomePower 3600 Pro Max
Inside Jackery's own lineup, the pricier Explorer is the smaller, shorter-lived box; it wins one thing, weight, and that is the only reason to pay $700 more for less battery.
Written by Gunner GustafsonUpdated
Whole-Home Backup Tester, Station Arena Test Desk

Jackery
Explorer 3000 v2
4,202Power Score · Appliance Class
$2,499.00 · direct from Jackery
Last checked 6 days ago. Prices move — check before you buy.

Jackery
HomePower 3600 Pro Max
5,159Power Score · The AC & Fridge Zone
$2,099.00 · direct from Jackery
Last checked 6 days ago. Prices move — check before you buy.
Spec deltas
The more expensive Jackery here is the weaker one on paper, which is not how this usually goes. The Explorer 3000 v2 lists at $2,499; the HomePower 3600 Pro Max at $1,799. For the extra $700 the Explorer gives you 512Wh less capacity (3,072Wh vs 3,584Wh) and 2,000 fewer cycles (4,000 vs 6,000).
Run that to its conclusion and the gap only widens. The HomePower delivers energy at $0.08 per lifetime kWh; the Explorer at $0.20, more than double, on top of costing more the day you buy it. It also switches to backup faster, 10ms against 20ms, and can take expansion batteries where the Explorer is sealed at what it ships with.
The Explorer's case is one word, and it is a real one: lighter. At 59.52 lbs it is a true one-person lift, 14 pounds under the HomePower, and the reviewer who tested it carried it room to room without complaint. That is the entire reason to pay more for less here, and for a unit that actually travels it can be reason enough.
What the Numbers Reveal
Each conclusion stated first — the numbers behind it on one line, the full analysis below.
rated cycles
That inverts lifetime cost, $0.08 per lifetime kWh on the HomePower against $0.20 on the Explorer, so the Explorer costs more upfront and more per unit of energy it will ever deliver.
Explorer 3000 v2: $2,499, 3,072Wh, 4,000 cyclesHomePower 3600 Pro Max: $1,799, 3,584Wh, 6,000 cycles
Why it mattersAnyone choosing on value inside Jackery's lineup should take the cheaper HomePower; the Explorer's premium buys less battery, not more.
That is the whole reason to pay its premium: when the unit actually travels, a genuine one-person lift beats 512Wh of extra capacity you may never draw down.
Explorer 3000 v2: 59.52 lbs, carried room to room by its reviewerA1HomePower 3600 Pro Max: 73.85 lbs
Why it mattersBuyers who carry the unit often should weigh the Explorer seriously; buyers who park it by the panel should not.
Capacity
For a fixed 3kWh need the Explorer's sealed design is complete and no drawback; for a need that climbs, only the HomePower has anywhere to go, and it starts cheaper.
Explorer 3000 v2 is sealed at 3,072Wh with no expansion portHomePower 3600 Pro Max starts at 3,584Wh and takes Jackery expansion batteriesBoth route solar through a proprietary Jackery connector, not the common XT60A3B3
Why it mattersIf your load might grow, the expandable and cheaper HomePower is the safer long-term buy; if it is fixed, the choice comes back to weight.
The specific dimensions that decide these two units — everything else is a tie.
Lifetime Value
Selected because: The pricier Explorer costs more to own too; the spine of the verdict.
cost / lifetime kWh
Normally the cheaper unit is the compromise. Not here. The HomePower is both the lower sticker and the lower cost per unit of energy, because it starts $700 less and then lasts half again as many cycles. The Explorer is asking a premium to deliver less of the thing you actually bought a battery for.
The only way the Explorer's math works is if you value the pounds it saves over the kilowatt-hours and cycles it gives up. That is a legitimate trade for some buyers, but it is a portability decision dressed as a value one, and it should be made with eyes open.
Portability & Form Factor
Selected because: The Explorer's one genuine edge, 14 lbs and a one-person lift.
weight
This is the section the Explorer was built to win. At 59.52 lbs it is 14 pounds under the HomePower and, by the account of the reviewer who used it, a unit one person carries room to room without dreading itA1. The HomePower is a two-person lift you install once.
Weight is a verb on these units: it is the difference between gear that comes with you and furniture that stays put. If your honest use is camp, tailgate, and jobsite, the Explorer's lift advantage is felt on every trip, and no spec on the HomePower's side is felt that often.
Growth Path
Selected because: Sealed Explorer vs expandable HomePower, handled fairly for fixed needs.
solar input
The Explorer is sealed at 3,072Wh and the HomePower expands, but sealed is only a knock if you need more than the box holds. For a fixed roughly-3kWh need the Explorer is complete, and calling that a weakness would be dishonest.
The difference bites only if your needs climb toward partial-home backup. Then the HomePower's expansion path is real headroom the Explorer simply doesn't have, and it costs less to start down that road. Buy for the need you can see, not the one you might invent.
What the Specs Don't Tell You
Selected because: Transfer-switch speed, the Explorer's undisclosed noise, and weight.
rated cycles
The transfer-switch gap is smaller than it looks: the HomePower's line-interactive switch cuts over in about 10ms, the Explorer's standby design in about 20ms, and both are fast enough to keep a fridge or a router alive through a blip. It matters only for genuinely sensitive electronics.
The quieter catch is on the Explorer: Jackery doesn't publish a noise figure for it, where the HomePower is spec'd at 30dB. Undisclosed is not the same as loud, but if the unit runs where you sleep you are buying that spec blind on the Explorer. Weight, at least, is on the Explorer's side, and clearly so.
Strengths & trade-offs
Jackery Explorer 3000 v2
Strengths
- +Lighter by 14.3 lb
Trade-offs
- –Sealed capacity — the HomePower 3600 Pro Max can add batteries to grow past 3,072Wh; this one can't.
- –Shorter-lived battery — rated for 4,000 charge cycles vs the HomePower 3600 Pro Max's 6,000, so it wears out sooner.
Jackery HomePower 3600 Pro Max
Strengths
- +Costs $400 less
- +Larger battery capacity
- +Higher AC output
- +Faster solar charging
- +Rated for 6,000 charge cycles — much longer battery lifespan
Trade-offs
- –Significantly heavier (+14.3 lbs), making it harder to move.
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
HomePower 3600 Pro Max
Both cruise through a 2,100Wh weekend, but the HomePower keeps more in the tank, 69% of capacity used to the Explorer's 80%. The Explorer's counter isn't reserve, it's that you carried it there more easily. Pick your priority: bigger cushion or lighter haul.
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
Either unit
Both survive the blackout with similar margin, and both list a UPS mode — compare their stated switchover classes, and remember those are manufacturer ratings, not measurements.
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
Either unit
A CPAP is about 40W for eight hours, so both cover the night with room to spare and capacity decides nothing. Fan noise would — but Explorer 3000 v2 doesn't publish a figure, so there's nothing to hold it to. Buy on price, weight, and whether you can live with a fan you haven't heard.
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
Either unit
Both power your workstation all day without strain, and their USB-C output is a wash — pick on weight, ports, or price.
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
Either unit
Both handle game day easily. Since capacity isn't the deciding factor, weight is: at 59.5 lbs the Explorer 3000 v2 is the one you'll be glad you brought. Fan noise under load is worth a listen too — it's audible in the lulls between songs.
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
A full van day runs about 4,685Wh, and both Jackerys come up short, the HomePower at 154% of capacity and the Explorer at 179%. Closer than most matchups, but closer to enough is still not enough. Van dwellers want the next tier up, or a hard midday solar refill to bridge the gap.
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 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: HomePower 3600 Pro Max runs 14.9h vs 12.7h.
$2,099 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 0–203.1hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–40.6hHigh-Draw Appliances
These reveal the real limitsscale 0–3h¹ 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 18, 2026
Verdict: the HomePower 3600 Pro Max
The HomePower 3600 Pro Max is $1,799 to the Explorer 3000 v2's $2,499, and the cheaper unit is also the bigger and tougher one: 3,584Wh against 3,072Wh and 6,000 cycles against 4,000, which is $0.08 per lifetime kWh against $0.20. It adds a faster 10ms transfer switch and room to expand. The Explorer's single real advantage is that it is 14 pounds lighter and a genuine one-person carry. If you move the unit constantly, that is worth paying for; if it parks by the panel and backs up the house, the HomePower wins on price and on everything the price buys.
Editor-assigned confidence, based on cited owner research and spec analysis.
List prices as of July 18, 2026. The links below open Jackery's current price.
$2,099.00 · direct from Jackery
Last checked 6 days ago. Prices move — check before you buy.
or check the Explorer 3000 v2 price$2,499.00 list
Written by Gunner Gustafson, Whole-Home Backup Tester · Station Arena Test Desk · Updated July 18, 2026
Measured Data
Benchmark scores and the full spec record, side by side.
Benchmark scores
Not rated for both units (minimum threshold unmet): Apartment Balcony.
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, Explorer 3000 v2 rates 3.9/5 (33rd percentile of 25 Large-class units), and HomePower 3600 Pro Max rates 4.4/5 (67th percentile of 16 Home Backup-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.
The one gap in the Explorer's favor
The Explorer is 59.52 lbs to the HomePower's 73.85, a 14-pound edge and a genuine one-person carry. If you lift the unit at all, this is the spec that argues for paying the Explorer's premium; if it lives in one spot, it never comes up.
Explorer 3000 v2: Fixed Capacity
The Explorer 3000 v2 is sealed at 3,072Wh — fine if that covers you, but it's the ceiling. By contrast the HomePower 3600 Pro Max can add expansion batteries, so if your needs grow past 3,072Wh it has somewhere to go the Explorer 3000 v2 doesn't — and at this size that path genuinely points toward partial-home backup.
10ms vs 20ms: mostly academic
The HomePower's line-interactive switch cuts over in about 10ms, the Explorer's standby design in about 20ms. Both keep a fridge, a router, or a CPAP running through a grid blip without a hiccup. The gap only matters for genuinely sensitive electronics that flinch at 20ms.
Warranty: No Difference
Both units carry the same 5-year warranty, so coverage isn't a tiebreaker here.
Why the cheaper unit is also the tougher one
The HomePower is rated for 6,000 cycles, the Explorer for 4,000. Combined with the lower price, that is the whole reason the pricier Explorer still costs more per unit of lifetime energy: it starts higher and wears out sooner.
One unit publishes its noise; one doesn't
Jackery lists the HomePower at 30dB but publishes no figure for the Explorer 3000 v2. Undisclosed isn't proof of a loud fan, but if the unit runs in a bedroom or a quiet office you are buying that spec sight unseen on the Explorer.
Full record above — the Test Desk pick is the HomePower 3600 Pro Max.
Check HomePower 3600 Pro Max price →or check the Explorer 3000 v2 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 HomePower 3600 Pro Max wins on both sticker price and long-term value. At $0.1/kWh over its lifetime, it's meaningfully cheaper to own. Clear value winner.
Delivers each lifetime kWh for $0.10 less — check the HomePower 3600 Pro Max price →
Growth path
Explorer 3000 v2
FIXED CAPACITYFixed at 3,072Wh — a sealed, complete system rather than a starting point. There's no expansion port, so that figure is the ceiling: check it against your longest unplugged stretch before you buy.
Accepts up to 1,000W of solar. Enough for a serious multi-panel array.
Adequate ports for most setups, but heavy users may want a power strip.
HomePower 3600 Pro Max
EXPANDABLESupports Jackery expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 3,584Wh.
Accepts up to 1,200W of solar. Enough for a serious multi-panel array.
Limited ports. You'll likely need a power strip or splitter.
Expansion batteries are Jackery-specific. You're investing in the Jackery ecosystem.
Realistic full solar rechargeat 70% of rated panel output — see methodology
Analyst note
The Explorer 3000 v2 is sealed at 3,072Wh, which is fine if that covers you. The HomePower 3600 Pro Max starts at 3,584Wh and can grow beyond it with Jackery expansion batteries — real headroom the Explorer 3000 v2 doesn't have if your needs climb toward partial-home backup.
What Owners Report
Patterns from published owner reports and long-term reviews — every claim cited to its source below.
Jackery Explorer 3000 v2
The Explorer 3000 v2's headline in the field is that you can actually lift it. T3's reviewer, used to needing a chiropractor after hauling 3kWh-class units, carried this one room to room and said it ran every appliance in the house except a Miele ovenA1A2. The catches were consistent across reviews: it isn't expandable, its solar input uses Jackery's proprietary DC8020 connector with no third-party panel support and no adapter in the boxA3A4A10, and the app trails EcoFlow'sA5.
On real loads, owners confirmed strong steady runtime, more than ten hours on a refrigerator with plenty left, while warning that high-draw gear like portable heaters empties it fastA7A8. It is a well-liked unit; the reservations are price and the lack of a growth path, not the hardwareA6.
“This particular model is most definitely a lot lighter — and smaller — than anything else I've seen with this level of performance...I can actually carry it from room to room without a visit to the chiropractor.”
Jackery HomePower 3600 Pro Max
The HomePower 3600 Pro Max's field signal, still thin for a 2026 SKU, clusters on what it takes to make the transfer switch actually earn its billing. Commenters pointed out that the automatic switch only does its job wired to a dedicated sub-panel or Jackery's own smart panel; on the manual interlock most homes have, you are still flipping a switch by handB2. Its solar input, like the Explorer's, uses a proprietary connector rather than the common XT60, which drew the same objectionB3.
Reviewers liked the concept but flagged the price and the 4,000W inverter ceiling as real limits on the whole-home pitchB1B5. As with any brand-new unit, there is no long-term reliability record yet, so this is a buy for the specs and the warranty, not for a track record it hasn't had time to build.
“Regarding your dislike of inverter fail to stay on if > 4000W passthrough is terminated, it's understandable. It's internal inverter can only handle 4000W 240V.”
Sources
powerstationlab.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
- Two independent reviewers (T3, TechRadar) both flag Jackery's proprietary DC8020 solar input as a real limitation — no third-party panel compatibility without a separate adapter. [Explorer 3000 v2 · 2 entries]
- Real-world portability and appliance coverage repeatedly beat expectations for a 3kWh-class unit, but the trade-offs are a high price and no expansion-battery option. [Explorer 3000 v2 · 4 entries]
- Owners confirm strong sustained runtime on moderate loads (10+ hours on a fridge) but warn that high-draw items like portable heaters deplete the battery quickly. [Explorer 3000 v2 · 2 entries]
- Commenters and a press reviewer repeatedly question whether the marketed automatic transfer switch delivers true whole-home UPS coverage, given the 4,000W continuous ceiling and a gap between switchover-speed marketing claims and what testers actually notice in practice. [HomePower 3600 Pro Max · 3 entries]
- Getting the full ATS benefit requires extra infrastructure (a dedicated sub-panel or Jackery's smart panel), and the solar input uses a proprietary connector rather than the industry-common XT60. [HomePower 3600 Pro Max · 2 entries]
- Reactions to price and capacity are mixed: cheaper than the closest whole-home competitor but with roughly half the base capacity, and viewers flag the price point as a barrier despite liking the concept. [HomePower 3600 Pro Max · 2 entries]
- A1
“This particular model is most definitely a lot lighter — and smaller — than anything else I've seen with this level of performance...I can actually carry it from room to room without a visit to the chiropractor.”
T3 — "Jackery Explorer 3000 V2 review: at last, a high-output portable power station that I can actually lift" · 2026 · [positive]
- A2
“I have yet to find an appliance in my home that it's incapable of running (except for their Miele oven).”
T3 — "Jackery Explorer 3000 V2 review: at last, a high-output portable power station that I can actually lift" · 2026 · [positive]
- A3
“I'm also disappointed that it isn't compatible with any other type of third-party solar panel, and Jackery doesn't include any kind of adaptor.”
T3 — "Jackery Explorer 3000 V2 review: at last, a high-output portable power station that I can actually lift" · 2026 · [negative]
- A4
“The Explorer 3000 V2 isn't expandable by adding extra battery packs — though the reviewer notes this doesn't affect their own personal usage.”
T3 — "Jackery Explorer 3000 V2 review: at last, a high-output portable power station that I can actually lift" · 2026 · [mixed]
- A5
“App not as slick as EcoFlow's.”
T3 — "Jackery Explorer 3000 V2 review: at last, a high-output portable power station that I can actually lift" · 2026 · [negative]
- A6
“Not cheap — the base unit costs £2,299/$2,499.”
T3 — "Jackery Explorer 3000 V2 review: at last, a high-output portable power station that I can actually lift" · 2026 · [negative]
- A7
“Ran a refrigerator for 10 plus hours with around 74% of the battery still remaining.”
Best Buy customer reviews — Jackery Explorer 3000 V2 Portable Power Station product page (review aggregate) · unknown · [positive]
- A8
“Certain household items pull significant power and will drain the system fast, such as portable heaters.”
Best Buy customer reviews — Jackery Explorer 3000 V2 Portable Power Station product page (review aggregate) · unknown · [mixed]
- A10
“Jackery opted to use a DC8020 connector and socket, which requires adapters for other solar panel connectors.”
TechRadar — "Jackery Explorer 3000 v2 portable power station review" · unknown · [negative]
- B1
“Regarding your dislike of inverter fail to stay on if > 4000W passthrough is terminated, it's understandable. It's internal inverter can only handle 4000W 240V.”
YouTube — The Solar Lab, "Jackery HomePower 3600 Pro Max - Don't Fall For This!" (viewer comment) · 2026-06 · [mixed]
- B2
“Most homeowners use a generator input with a MANUAL interlock switch...you still have to manually flip the interlock to get power back into the house. To make the ATS work as intended, you need a dedicated sub-panel or Jackery's smart panel.”
YouTube — The Solar Lab, "Jackery HomePower 3600 Pro Max - Don't Fall For This!" (viewer comment) · 2026-06 · [negative]
- B3
“Why doesn't Jackery use the common XT60 connector when hooking up solar? Seems proprietary.”
YouTube — The Solar Lab, "Jackery HomePower 3600 Pro Max - Don't Fall For This!" (viewer comment) · 2026-06 · [negative]
- B5
“Really enjoy your videos! Very well thought out. This looks like a great system but definitely not for everyone due to the price point.”
YouTube — Outdoor Prepper, "The Power Went Out... Everything Stayed On - Jackery HomePower 3600 Pro Max" (viewer comment) · 2026-06 · [mixed]
Research compiled July 18, 2026.
Who Should Buy Which
Buy the Explorer 3000 v2 if you…
- →The person who actually carries it. At 59.52 lbs the Explorer is a real one-person lift, room to room and into a carA1, where the HomePower is a two-person load you set down once.
- →The buyer whose need is fixed near 3kWh and who wants solar input on the road. The Explorer's 1,000W input and complete 3,072Wh cover a lot of trips without an expansion battery in sight.
Buy the HomePower 3600 Pro Max if you…
- →The value buyer inside Jackery's lineup. It is $700 cheaper than the Explorer, stores 512Wh more, and lasts 6,000 cycles to 4,000, so it wins on sticker and on cost per lifetime kWh in the same breath.
- →The home-backup owner who wants the faster 10ms transfer switch and room to expand later, and who will wire the sub-panel that switch needs to cover circuits properlyB2.
If neither fits
If you want one unit you both carry to campsites and lean on for whole-house backup, neither quite is it: the Explorer is portable but sealed and pricey, the HomePower is bigger and cheaper but a two-person install. And a full van-life day near 4,685Wh overruns both. If you need that much daily, step up a capacity tier rather than stretch either of these to cover it.
The Bottom Line
Inside Jackery's own lineup this is lopsided: the HomePower 3600 Pro Max is $700 cheaper than the Explorer 3000 v2 and hands you more battery, more cycles, a faster transfer switch, and somewhere to grow. The Explorer answers with one word, lighter, and for a unit that travels that word carries real weight.
So the split is clean. If you carry it, the Explorer's 59.52 lbs and one-person lift are worth paying up for. If it parks by the breaker panel and backs up the house, take the HomePower, keep the $700, and let the Explorer be the travel unit it was designed to be.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
The Explorer 3000 v2 costs more than the HomePower 3600 Pro Max, so is it the better unit?
No, and the price is the surprise. The Explorer is $2,499 to the HomePower's $1,799, yet it stores less (3,072Wh vs 3,584Wh) and lasts fewer cycles (4,000 vs 6,000). You are paying $700 more for a smaller, shorter-lived battery. The Explorer's one genuine advantage is that it is lighter and easier to carry.
Then why would anyone buy the Explorer 3000 v2?
Weight. At 59.52 lbs it is 14 pounds lighter than the HomePower and a true one-person carry, where the HomePower is a two-person lift at 73.85 lbs. If the unit travels with you, house to car to campsite, that difference is felt on every trip and can outweigh the HomePower's bigger battery.
Can the Explorer 3000 v2 expand like the HomePower?
No. The Explorer is sealed at 3,072Wh, which is complete and fine if that covers you. The HomePower starts at 3,584Wh and accepts Jackery expansion batteries, so only it has somewhere to go if your load grows toward partial-home backup. For a fixed need the sealed Explorer is not a drawback; for a growing one it is a hard ceiling.
Do both use Jackery's proprietary solar connector?
Yes. The Explorer uses a DC8020 connector with no third-party panel support and no adapter included, and the HomePower's solar input is likewise proprietary rather than the common XT60. Whichever you pick, plan on Jackery's own panels or buying an adapter; you are not plugging a generic array into either one.
Which is the better whole-house backup unit?
The HomePower, clearly. It is cheaper, bigger, longer-lived, and has the faster 10ms automatic transfer switch against the Explorer's 20ms standby switchover. Just budget for the sub-panel that automatic switch needs to cover circuits the way the marketing implies.
Related comparisons
Where to buy

Jackery Explorer 3000 v2
$2,499.00
$2,499.00 · direct from Jackery
Last checked 6 days ago. Prices move — check before you buy.

Jackery HomePower 3600 Pro MaxPick
$2,099.00
$2,099.00 · direct from Jackery
Last checked 6 days ago. Prices move — check before you buy.
Prices may vary by retailer and are subject to change.