Head-to-head test
BLUETTI Apex 300 + 2×B300K vs BLUETTI Apex 300 + B500K
BLUETTI Apex 300 + 2×B300K vs BLUETTI Apex 300 + B500K: Buy the single B500K build unless you will really use the extra 410Wh, because it runs the same Apex 300 for less money and less weight.
Full profiles: BLUETTI Apex 300 + 2×B300K → · BLUETTI Apex 300 + B500K →
Written by Gunner GustafsonUpdated
Whole-Home Backup Tester, Station Arena Test Desk
Spec deltas
Both of these are the same BLUETTI Apex 300. The difference is what sits under it. One build stacks two B300K battery packs. The other uses a single, larger B500K. I'd be wiring either one into my house through a transfer switch, the switch that lets a battery feed the panel safely, and it would never move again. So my first question is how many boxes go on that shelf.
The pair holds 8,294Wh. The single holds 7,885Wh. That's about 410Wh apart, a little more than one CPAP night. The pair costs $400 more for it.
The B500K build is also 31 lbs lighter. Neither total is something one person moves. Both have the same outlets, and neither has a USB port or a 12V socket without the Hub D1 add-onA17A18. The B500K's savings can go toward that hub.
What the Numbers Reveal
Each conclusion stated first — the numbers behind it on one line, the full analysis below.
Typical price
At $400, that slice costs far more per watt-hour than the rest of the battery.
2×B300K is $3,699 for 8,294Wh; B500K is $3,299 for 7,885Whthe pair costs $400 more and holds about 410Wh more
Why it mattersDecide on how much energy you will actually use.
Owners who link more than one Apex unit report the units filling at different ratesA1, and BLUETTI support reportedly told them that's normalA3. Nothing in our research shows two B300K packs on one base doing the same thing.
owners linking several Apex units report them charging at different rates, one at 100% and one at 50%A1BLUETTI support reportedly calls this normalA3those reports describe linked Apex units; none in our research describes two B300K packs on one base
Why it mattersThe single has one fewer pack to wonder about. The pair may well be fine. Ask BLUETTI before buying it.
The specific dimensions that decide these two units — everything else is a tie.
Lifetime Value
Selected because: The lifetime table barely moves, so the question is what the extra capacity costs.
Both builds sit on the same base, so the money question is how many watt-hours you buy. Our lifetime table lands them at $0.07 and $0.07 per lifetime kWh, so that column barely separates them.
If you'll use the extra 410Wh, you may not mind what it costs. If you won't, it's $400 of battery that mostly sits there.
What the Specs Don't Tell You
Selected because: Weight barely matters on a fixed install, the bare front panel needs a paid hub, and the Power Lifting figure is easy to mistake for surge.
Weight first. Each build splits across its boxes, and reviewers found even the bare Apex base too heavy to carry farA12B11. Stack either one where it's going to live and leave it there.
Then the ports. The Apex has four household outlets, a 30-amp RV socket and a 240V socketA18. USB and 12V ports live on the Hub D1, about $300A17, which owners call a hidden costA10. It's the same on both builds, and it belongs in the budget.
BLUETTI also quotes 7,680W for Power Lifting, resistive loads only. It runs a heater or a kettle by feeding it less power than it asks for, so the load runs slower instead of tripping. That figure is not a surge rating, and neither record publishes one. It says nothing about starting a well pump.
Growth Path
Selected because: Both expand, so the split is starting with one pack or two.
Both builds can take more BLUETTI batteries later. The pair starts as a three-box stack and the single as two.
Growing either one means adding packs. Owners who link several Apex units report uneven charging between themA1, and one says a workaround for parallel charging has kept his setup trouble-freeB4. I'd start with the single and add a pack when I needed one.
Your Life, Your Pick
Selected because: At about 8kWh both clear every home scenario; only the van-life day shows the extra 410Wh.
At roughly 8kWh, both builds clear every home scenario we model. An eight-hour blackout uses about a quarter of either. A remote workday uses about an eighth.
The full van-life day is the only one that makes them work. The pair ends it at 66% used and the single at 70%, and that gap is the extra 410Wh. The camping and tailgate rows hardly apply. Nobody is taking 183 lbs of battery to a campsite.
Strengths & trade-offs
BLUETTI Apex 300 + 2×B300K
Strengths
- +Larger battery capacity
Trade-offs
- –Significantly heavier (+30.9 lbs), making it harder to move.
- –Very heavy unit that may be difficult for one person to lift.
BLUETTI Apex 300 + B500K
Strengths
- +Costs $400 less
- +Lighter by 30.9 lb
Trade-offs
- –Very heavy unit that may be difficult for one person to lift.
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 of these is going camping. The lighter build is 183 lbs across its boxes. On paper a weekend uses about 30% of either, which tells you nothing useful.
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
An eight-hour outage uses 23% of the pair and 25% of the single. Either could take several nights like that back to back. Both list a UPS mode with a switchover of no worse than 10ms, the gap your gear sees when the grid drops.
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 night uses about 5% of either. That's a lot of battery for a bedside job. Both list the same 45dB, so noise doesn't separate them.
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
A full workday uses about an eighth of either battery. Nothing here separates them.
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
Game day uses about a tenth of either. Getting 183 lbs or more of battery into a parking lot is the hard part.
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
Either unit
The one row that makes them work. A full day leaves the pair at 66% used and the single at 70%. That four-point gap is what the extra 410Wh looks like in practice.
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: Apex 300 + 2×B300K runs 34.4h vs 32.7h.
$3,699 list · direct from BLUETTI
Planning for more than this? Describe your whole setup and get it sized →
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 0–470hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–94hHigh-Draw Appliances
These reveal the real limitsscale 0–7.1h¹ 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
October 25, 2026
Verdict: the Apex 300 + B500K
Buy the Apex 300 with the single B500K. Both builds share the same base, so output, solar input and UPS switchover all match. The B500K build costs $400 less and weighs 31 lbs less. The two-B300K build holds about 410Wh more, and that slice costs far more per watt-hour than the rest of the battery. Take the pair only if you know you will drain the bigger bank.
Editor-assigned confidence, based on cited owner research and spec analysis.
List prices as of October 25, 2026. The links below open BLUETTI's current price.
$3,299.00 · direct from BLUETTI
Last checked 28 days ago. Prices move — check before you buy.
or check the Apex 300 + 2×B300K price$3,699.00 list
Written by Gunner Gustafson, Whole-Home Backup Tester · Station Arena Test Desk · Updated October 25, 2026
Black Friday · 26 days out
Prices to beat:Apex 300 + 2×B300K $3,699Apex 300 + B500K $3,299
We have never seen either discounted, so any real cut would be a first.
Measured Data
Benchmark scores and the full spec record, side by side.
Benchmark scores
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, Apex 300 + 2×B300K rates 3.4/5 (8th percentile of 37 Whole-Home / Off-Grid-class units), and Apex 300 + B500K rates 3.5/5 (11th percentile of 37 Whole-Home / Off-Grid-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.
Set It Up Once
The two-B300K build is 213.9 lbs and the B500K build is 183, split across their boxes. That's 31 lbs apart, and neither total is anything one person moves. The lighter build is also the cheaper one.
Same Base, Same 45dB
Both builds run the same Apex 300 base and list the same 45dB. That's one published figure printed twice, so it can't separate them.
Power Lifting: 7,680W and 7,680W
Both units have BLUETTI's Power Lifting mode: the Apex 300 + 2×B300K to 7,680W on a 3,840W inverter, the Apex 300 + B500K to 7,680W on 3,840W. It works by delivering less power than the appliance asks for rather than more than the inverter has, so the appliance runs slower rather than not at all. BLUETTI scopes the mode to purely resistive loads — a heater, a kettle, an incandescent lamp — so it does nothing for a fridge compressor, a pump or a power tool. Neither record publishes an instantaneous surge figure, so nothing on this card speaks to motor loads. Judge the Lifting figures on which ceiling covers the resistive load you actually own.
Warranty: No Difference
Both units carry the same 5-year warranty, so coverage isn't a tiebreaker here. Both figures are maximums rather than guarantees — they depend on buying direct from BLUETTI or registering the unit, since reseller purchases carry a shorter term.
Full record above — the Test Desk pick is the Apex 300 + B500K.
Check Apex 300 + B500K price →or check the Apex 300 + 2×B300K 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
Both units cost the same to own over their rated lives — $0.07/kWh each. Lifetime cost can't separate them, so decide on the sticker price and everything else. One thing to know reading the table: both carry the same 6,000-cycle rating, so the lifetime rows are sticker price and capacity in disguise — the wear horizon is identical and decides nothing here.
Growth path
Apex 300 + 2×B300K
EXPANDABLESupports BLUETTI expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 8,294Wh.
Accepts up to 2,400W of solar. Enough for a serious multi-panel array.
Limited ports. You'll likely need a power strip or splitter.
Expansion batteries are BLUETTI-specific. You're investing in the BLUETTI ecosystem.
Apex 300 + B500K
EXPANDABLESupports BLUETTI expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 7,885Wh.
Accepts up to 2,400W of solar. Enough for a serious multi-panel array.
Limited ports. You'll likely need a power strip or splitter.
Expansion batteries are BLUETTI-specific. You're investing in the BLUETTI ecosystem.
Realistic full solar rechargeat 70% of rated panel output — see methodology
Analyst note
Both expand, so neither locks you out of growth — decide on capacity, price, and the rest, not the expansion checkbox.
What Owners Report
Patterns from published owner reports and long-term reviews — every claim cited to its source below.
BLUETTI Apex 300 + 2×B300K
Owner reports on this exact build are thin. The Apex 300 is a 2025 release, and most of what's out there covers the platformA0. The loudest complaints are about solar. Owners call the 60V solar input limit, which caps how many panels you can wire in a row, misleadingA8. A firmware bug can also drop solar detection until you unplug and replug the cablesA9. Linked units charging unevenly comes up tooA1A3.
There's praise as well. One reviewer says the system could run essentials for more than a full day without rationingA16. One owner priced a DIY system with similar parts and found the Apex came in about the same or cheaperA6. Reviewers like the even fan noise and the low idle drawA14A15. Support is the wild card. One owner spent weeks getting an RMA, the maker's return approval, signed offA4.
“For me the 240V output is great. I can stick it in the back of my PHEV and use the 240V output to charge at 3.3KW when I stop.”
Sources
bluettipower.com
BLUETTI Apex 300 + B500K
Owner comment on the B500K pairing is close to absent. Our researcher couldn't confirm that any source describes this exact build, so read every entry here as platform characterB0. Reviewers keep praising the fans as quiet and evenB1B2B13. Owners also flag firmware updates that left units stuck in Backup mode or showing an inverter error until a later fixB7B8B9.
The uneven-charging reports come from people running linked unitsB3B4, a different setup from one pack under a base. The other caveats apply to both builds: a very heavy stackB11 and a bare front panelB12.
“Turns out the Apex 300's noise control is on par with the quietest power stations on the market, like those on offer from EcoFlow and DJI.”
Sources
bluettipower.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
- When multiple Apex 300 units (as in this 2x-B300K configuration) are charged together, owners report state-of-charge sync problems and solar input capped far below the advertised rating, which Bluetti support has called 'normal' behavior. [Apex 300 + 2×B300K · 3 entries]
- Customer/RMA support experience is inconsistent — some owners report smooth help, others describe multi-week delays and unresponsive tickets. [Apex 300 + 2×B300K · 2 entries]
- The base unit's 60V solar input ceiling and a firmware bug that drops solar detection (requiring an unplug/replug) are the two most-cited technical gripes among solar-focused owners. [Apex 300 + 2×B300K · 2 entries]
- Because the Apex 300 ships with no built-in DC/USB ports, owners and reviewers alike flag the mandatory ~$300 Hub D1 accessory as an unexpected added cost. [Apex 300 + 2×B300K · 2 entries]
- Despite being marketed as 'portable,' the unit's weight (~38kg/85lb base alone, more with B300K batteries) leads multiple sources to describe it as effectively a stationary/semi-permanent installation rather than something carried around. [Apex 300 + 2×B300K · 2 entries]
- Multiple independent reviewers describe the dual-fan cooling as noticeably quiet/even for a unit of this output class, even under load. [Apex 300 + B500K · 3 entries]
- Firmware and app updates have repeatedly caused mode-lock, download failures, or inverter error codes; several threads show the issue eventually resolved after further updates or support contact. [Apex 300 + B500K · 4 entries]
- When running multiple Apex 300 units or expansion batteries in parallel, owners report uneven charge rates between units, with community-devised (unofficial) workarounds needed to keep them in sync. [Apex 300 + B500K · 2 entries]
- The stripped-down, modular design draws criticism for real-world handling: extreme weight makes it hard to move, and lack of native USB/DC ports forces reliance on a separate paid hub accessory. [Apex 300 + B500K · 2 entries]
- A1
“When the units are charging from the grid they charge at different rates and not together... you may have one at 100% and one at 50%.”
DIY Solar Power Forum — thread 'Bluetti Apex 300 problems' · 2025-09 · [negative]
- A3
“Bluetti support says this is normal... This makes them a bad choice for off grid applications.”
DIY Solar Power Forum — thread 'Bluetti Apex 300 problems' · 2025-09 · [negative]
- A4
“It has taken me 2 weeks of troubleshooting with them and a week to get an RMA approval... I have asked for updates with NO response 48 hours later.”
DIY Solar Power Forum — thread 'Apex 300 Support issues' · 2025-11 · [negative]
- A6
“It came in just shy of £1500... Pricing up a similar system from scratch with similar capacity, solar charger, split charger, smart shunt, inverter ect was all coming in at a similar if not slightly higher price.”
VW T6 Transporter Forum — thread 'Bluetti Apex 300' · 2025-07 · [positive]
- A8
“The 60V solar limit is the most common and vociferous complaint, with users calling it "misleading" and a "joke".”
BIKMAN TECH blog aggregating user/forum reports — 'Bluetti APEX 300 - Everything You Need to Know' · 2025-11 · [negative]
- A9
“the unit failing to detect solar input until the cables are physically unplugged and replugged. Bluetti support has reportedly acknowledged this as a known firmware issue”
BIKMAN TECH blog aggregating user/forum reports — 'Bluetti APEX 300 - Everything You Need to Know' · 2025-11 · [negative]
- A10
“widespread frustration over the "unbundling" strategy and the "hidden cost" of the Hub D1 for "missing" DC/USB ports.”
BIKMAN TECH blog aggregating user/forum reports — 'Bluetti APEX 300 - Everything You Need to Know' · 2025-11 · [negative]
- A12
“it weighs in at 38kg, and is probably much too big and heavy for most people to carry alone.”
Trusted Reviews — 'Bluetti Apex 300 Review' · 2025-10 · [mixed]
- A14
“Fan noise remains even, with no distracting pitch or rattle. This makes the Apex 300 usable near sleeping areas or indoor workspaces without disturbance.”
Yanko Design — 'BLUETTI Apex 300 Review: The All-in-One Solar, Gas, and Battery Solution' · 2025-05 · [positive]
- A15
“Efficient 20W AC idle drain extends runtime significantly during extended outages.”
Yanko Design — 'BLUETTI Apex 300 Review: The All-in-One Solar, Gas, and Battery Solution' · 2025-05 · [positive]
- A16
“With some portable power stations, I'd have to ration power more carefully, but with this system, I could run essentials for more than a full day if I needed to.”
Techspective — 'Bluetti Apex 300 with B300K Review' · 2025-09 · [positive]
- A17
“Not having DC or USB ports on the face is a tradeoff. The Hub D1 solves the problem—but it's an additional $300 accessory that you then have to bolt on after the fact.”
Techspective — 'Bluetti Apex 300 with B300K Review' · 2025-09 · [mixed]
- A18
“BLUETTI spec table for the Apex 300: four 20 A AC outlets, one NEMA TT-30R (120 V, 30 A) and one NEMA 14-50R (120/240 V, 50 A), 3,840 W max in total; the two 100 W USB-C, two USB-A and 12 V ports require the Hub D1, sold separately.”
bluettipower.com — Apex 300 tech specs (checked 2026-10-04) · 2026-10-04 · [mixed]
- B1
“Turns out the Apex 300's noise control is on par with the quietest power stations on the market, like those on offer from EcoFlow and DJI.”
The Solar Lab — "Bluetti Apex 300 Review: Cheap, Practical Home Backup?" · unknown · [positive]
- B2
“Some units sound like small jet engines under load, but the Apex 300's fans are relatively tame.”
Techspective — "Bluetti Apex 300 with B300K Review" · 2025-09 · [positive]
- B3
“The Apex 300 have some major charging problems... When the units are charging from the grid they charge at different rates and not together.”
DIY Solar Power Forum — "Bluetti Apex 300 problems" · 2025-09 · [negative]
- B4
“I have found a simple way to get around some of the solar charging limitations with multiple APEX 300s hooked up in parallel... So far, I have not had any problems with my setup.”
DIY Solar Power Forum — "Bluetti Apex 300 problems" · 2025-09 · [mixed]
- B7
“I updated my Apex 300 to the latest firmware yesterday. Now it's stuck in 'Backup' mode... when I go into the app to try to change it back, it flashes to...”
BLUETTI Community — "Apex 300 stuck in Backup mode after last firmware update" · 2025-11 · [negative]
- B8
“There was an update on my Apex 300 a few days ago IOT v8026.12... Problem is every time I connect to the power st[ation]... Edit - This seems fixed now hooray!”
BLUETTI Community — "Check For Update App issue" · 2025-09 · [mixed]
- B9
“After the update completed, the charging stopped and I received Error 004... I have error E004 Inverter Output Failure.”
BLUETTI Community — "Error E004 Apex 300" · 2025-11 · [negative]
- B11
“it's so heavy I can hardly carry it more than a few feet at a time and have been unable to lift it onto a table.”
T3 — "Bluetti Apex 300 review: transform your off-grid life" · 2025-11 · [negative]
- B12
“The Apex 300 doesn't have USB ports, DC ports, or much of anything beyond its six AC plugs and high-voltage connectors.”
The Solar Lab — "Bluetti Apex 300 Review: Cheap, Practical Home Backup?" · unknown · [negative]
- B13
“Fan noise remains even, with no distracting pitch or rattle. This makes the Apex 300 usable near sleeping areas or indoor workspaces without disturbance.”
Yanko Design — "BLUETTI Apex 300 Review" · 2025-05 · [positive]
Research compiled October 25, 2026.
Who Should Buy Which
Buy the Apex 300 + 2×B300K if you…
- →You know you'll drain a bank this big, and the extra 410Wh is worth $400 to you.
- →You're fine with a three-box stack that weighs 213.9 lbs and stays put.
- →You'll ask BLUETTI how two packs share a charge before you buy, given the owner reports about linked unitsA1.
Buy the Apex 300 + B500K if you…
- →You want the same Apex 300 for $400 less.
- →You'd rather have one pack under the base than two.
- →You plan to add capacity later and would rather start smaller and grow when you need to.
If neither fits
If you don't need close to 8kWh, a smaller station covers most home backup for far less money and weight. If you want USB ports and a 12V socket out of the box, the Apex isn't built that way. Those come with the separate Hub D1A18.
The Bottom Line
Build the Apex 300 with the single B500K. It's the same base and the same solar input. It costs $400 less, weighs 31 lbs less and has one pack instead of two.
The two-B300K build makes sense if you'll really use about 410Wh more and don't mind what that slice costs. Whichever you pick, budget for the Hub D1 if you want USB or 12VA17, and stack it where it's going to stay.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Apex 300 with two B300K or one B500K: which should I get?
For most buyers, the single B500K. It holds 7,885Wh for $3,299. The two-B300K build holds 8,294Wh for $3,699. The B500K build is $400 cheaper, 31 lbs lighter and one pack instead of two. Lifetime cost barely separates them, at $0.07 and $0.07 per kWh in our table.
Is the two-B300K build ever the better choice?
Yes, if you will use the extra capacity. It holds about 410Wh more than the B500K build. You pay $400 more for it, and the stack weighs 31 lbs more. Owners who link several Apex units report uneven charging between them. Those reports are about linked units rather than two packs on one base, so ask BLUETTI if that matters to you.
Do I need the Hub D1 accessory?
Probably. The Apex 300 has four 20A outlets, a TT-30R RV socket and a 14-50R 240V socket. Its USB-C, USB-A and 12V ports require the Hub D1, sold separately. Reviewers put the Hub D1 at about $300. The cost is the same on either build.
Can either one run my house or van for a full day?
A van, easily. At roughly 8kWh, both cover a modeled 24-hour van-life load with about a third of the battery left (66 to 70% used). A house depends on what stays on. Our modeled 8-hour blackout load uses about a quarter. Both accept more BLUETTI batteries if you need more.
Related buying guides
Where to buy
BLUETTI Apex 300 + 2×B300K
$3,699.00
$3,699.00 · direct from BLUETTI
Last checked 28 days ago. Prices move — check before you buy.
BLUETTI Apex 300 + B500KPick
$3,299.00
$3,299.00 · direct from BLUETTI
Last checked 28 days ago. Prices move — check before you buy.
Prices may vary by retailer and are subject to change.