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BLUETTI Apex 300 + 2×B500K vs BLUETTI Elite 320

Real-world runtimes, scenario verdicts, and ownership costs compared — which wins for your use case.

Written by Gunner GustafsonUpdated

Whole-Home Backup Tester, Station Arena Test Desk

Stack these against 100+ rivals
MethodologyReader-supported — we may earn from links (details)
BLUETTI Apex 300 + 2×B500K Portable Power Station

BLUETTI

Apex 300 + 2×B500K

13,004.8Wh3,840W282.2 lb

10,174Power Score · Whole-Home Capable

Check price →

$4,999.00 list · direct from BLUETTI

BLUETTI Elite 320 Portable Power Station

BLUETTI

Elite 320

3,200Wh1,800W75 lb

4,595Power Score · Appliance Class

Check price →

$1,099.99 list · direct from BLUETTI

Spec deltas

Capacity
13,004.8Wh
3,200Wh
Output
3,840W
1,800W
Weight
282.2 lb
75 lb
Price
$4,999
$1,100
Cost / Wh
$0.38
$0.34
Cycle life
3,500
3,000
Solar input
2,400W
1,000W
01

Both carry the BLUETTI name, but they're built for different buyers. The Apex 300 + 2×B500K (13,005Wh, 3,840W) and the Elite 320 (3,200Wh, 1,800W) come from different product lines with different engineering priorities and a $3,899 price gap. The Apex 300 + 2×B500K has a slight edge, but the margin is close enough that your use case should break the tie.

What the spec gap means in practice: the Apex 300 + 2×B500K's 3,840W inverter has the headroom for a window AC, a full-size fridge, and power tools. The Elite 320's 1,800W inverter still runs most single appliances; the Apex 300 + 2×B500K's real edge is surge headroom for the biggest motor starts and stacking several heavy loads at once. On stamina, the Apex 300 + 2×B500K keeps a fridge alive for roughly 74 hours vs the Elite 320's 18 hours. The cost? Portability. At 282.2 lbs, the Apex 300 + 2×B500K is a two-person lift you set down once and leave. The Elite 320 at 75 lbs is more manageable, though still not light.

Pick the Apex 300 + 2×B500K if your primary use is weekend camping or 8-hour blackout. Go with the Elite 320 if its specific strengths below line up better with your use. Cost to own runs close here — about $0.11/kWh for the Apex 300 + 2×B500K against $0.11 for the Elite 320 — so it won't be the tiebreaker. Keep scrolling for the full breakdown. The scenario verdicts below hold a few surprises.

02

Bench Notes

What each unit does well, where it falls short, and the trade-offs that matter.

BLUETTI Apex 300 + 2×B500K

With a massive 3,840W output (and 7,680W surge), the Apex 300 + 2×B500K can run high-wattage appliances like space heaters, hair dryers, and electric grills without tripping. Weighing in at 282.2 lbs, this is not a unit you want to carry far. It's best suited as a stationary backup or RV companion. A standout feature is the value proposition: at roughly $0.38 per watt-hour, it's one of the most cost-effective options on the market.

Strengths

  • +Larger battery capacity
  • +Higher AC output
  • +Faster solar charging

Trade-offs

  • Substantially more expensive (+$3,899) than the Elite 320.
  • Significantly heavier (+207.2 lbs), making it harder to move.
  • Very heavy unit that may be difficult for one person to lift.

BLUETTI Elite 320

The 1,800W inverter handles most daily devices like laptops, blenders, and TVs, but will struggle with heating elements that require over 1500W. Weighing in at 75 lbs, this is not a unit you want to carry far. It's best suited as a stationary backup or RV companion. A standout feature is the value proposition: at roughly $0.34 per watt-hour, it's one of the most cost-effective options on the market.

Strengths

  • +Costs $3,899 less
  • +Lighter by 207.2 lb

Trade-offs

  • Weaker inverter (-2,040W) limits appliance compatibility.
  • Sealed capacity — the Apex 300 + 2×B500K can add batteries to grow past 3,200Wh; this one can't.
03

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

Apex 300 + 2×B500K

The Elite 320 cuts it close at 77%. One cold night or an unexpected device and you're rationing power. The Apex 300 + 2×B500K finishes at 19%, leaving real headroom for spontaneous use. If you camp in variable weather, that buffer keeps you relaxed instead of checking your battery app every 20 minutes.

Camping power station guide

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

Apex 300 + 2×B500K

Both survive, but the Apex 300 + 2×B500K finishes at just 15% used. That's enough reserve for a second blackout night. The Elite 320 at 60% leaves little margin if the outage runs longer than expected. In storm-prone areas, that remaining capacity is insurance.

Emergency blackout power guide

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

Both are wildly overqualified for CPAP. You're using 12% or less. Save your money and buy whichever is cheaper; the extra capacity is completely wasted on a 40W overnight load. Put the savings toward a second battery for multi-night trips.

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

Apex 300 + 2×B500K

The Apex 300 + 2×B500K gives you a comfortable buffer at 8%. Enough to work late, join extra video calls, or charge a second device without worry. The Elite 320 at 33% works but leaves less room for the unexpected. For daily remote work, that peace of mind matters.

UPS & desk backup guide

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

Apex 300 + 2×B500K

Both handle game day, and the Apex 300 + 2×B500K does it with more in reserve — 6% used against 25%. Tailgating is a light load, so that headroom counts for less here than the 207 lbs you'll actually carry across the parking lot.

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

Apex 300 + 2×B500K

The Elite 320 runs out of juice. It only has 2,720Wh usable, but this scenario needs 4,685Wh. The Apex 300 + 2×B500K covers it and still has 425h of phone charging left over.

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

Apex 300 + 2×B500K53.9h
15% of usable battery in 8h
Elite 32013.3h
60% of usable battery in 8h

For this load: Apex 300 + 2×B500K runs 53.9h vs 13.3h.

Check Apex 300 + 2×B500K price →

$4,999 list · direct from BLUETTI

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 0–736.9h
ApplianceApex 300 + 2×B500KElite 320
CPAP Machine40W draw
Apex 300 + 2×B500K: 276.4h34 full nights
Elite 320: 68h8 full nights
Phone Charger15W draw
Apex 300 + 2×B500K: 736.9h
Elite 320: 181.3h
Router + Modem20W draw
Apex 300 + 2×B500K: 552.7h
Elite 320: 136h
Starlink75W draw
Apex 300 + 2×B500K: 147.4h
Elite 320: 36.3h
LED Lights (4 bulbs)40W draw
Apex 300 + 2×B500K: 276.4h
Elite 320: 68h
Laptop (Working)60W draw
Apex 300 + 2×B500K: 184.2h
Elite 320: 45.3h

Comfort & Convenience

Makes off-grid life actually enjoyablescale 0–147.4h
ApplianceApex 300 + 2×B500KElite 320
Box Fan75W draw
Apex 300 + 2×B500K: 147.4h
Elite 320: 36.3h
LED TV (55")80W draw
Apex 300 + 2×B500K: 138.2h
Elite 320: 34h
Mini-Fridge150W draw
Apex 300 + 2×B500K: 73.7h
Elite 320: 18.1h
Electric Blanket200W draw
Apex 300 + 2×B500K: 55.3h6 full nights
Elite 320: 13.6h1 full night

High-Draw Appliances

These reveal the real limitsscale 0–11.1h
ApplianceApex 300 + 2×B500KElite 320
Coffee Maker1000W draw
Apex 300 + 2×B500K: 11.1h
Elite 320: 2.7h
Microwave1200W draw
Apex 300 + 2×B500K: 9.2h
Elite 320: 2.3h
Space Heater1500W draw
Apex 300 + 2×B500K: 7.4h
Elite 320: 1.8h

¹ 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 10, 2026

Verdict: the Apex 300 + 2×B500K, on Power Score margin

These two units are closely matched on individual specs, but our Power Score analysis gives the Apex 300 + 2×B500K the edge with a composite score of 10,174 vs 4,595.

Cycle lifeApex 300 + 2×B500K3,500 vs 3,000 cycles
Continuous outputApex 300 + 2×B500K3,840W vs 1,800W
Sticker priceElite 320$1,100 vs $4,999
PortabilityElite 32075 vs 282.2 lb
Solar inputApex 300 + 2×B500K2,400W vs 1,000W
ExpansionApex 300 + 2×B500Kexpandable vs closed system

Overall score margin: 10,174 vs 4,595 (+121.4%)

List prices as of July 10, 2026. The links below open BLUETTI's current price.

Check Apex 300 + 2×B500K price

$4,999.00 list · direct from BLUETTI

or check the Elite 320 price$1,099.99 list

Written by Gunner Gustafson, Whole-Home Backup Tester · Station Arena Test Desk · Updated July 10, 2026

04

Measured Data

Benchmark scores and the full spec record, side by side.

Benchmark scores

Apex 300 + 2×B500KElite 320
Overall Power Score
10,174
4,595
Home BackupCapacity & Resilience
10,482
4,497
Food TruckSustained Heavy Output
9,027
3,739

Not rated for both units (minimum threshold unmet): UPS, RV Living, Solar Generator, Tailgating.

Full specifications

Apex 300 + 2×B500K
$4,999★ our pick
See live price →
Elite 320
$1,099.99
See live price →
Capacity (Wh)
13004.8
3200
Output (W)
3840
1800
Surge Peak
7680W
2700W
AC Outlets
6
4
USB-C Charging Outputs
100W
140W
Solar Input (W)
2400
1000

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.

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×B500K rates 3.7/5 (25th percentile of 17 Whole-Home / Off-Grid-class units), and Elite 320 rates 3.9/5 (38th percentile of 25 Large-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.

[CAUTION]

Weight Reality Check

Neither unit is grab-and-go. The Elite 320 (75 lbs) is manageable solo but heavier than a large checked suitcase. The Apex 300 + 2×B500K (282.2 lbs) is firmly a two-person lift. It goes where you put it and stays there. That's a 207 lb difference, which you'll feel every time you relocate.

[NOTE]

Apex 300 + 2×B500K: 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.

[NOTE]

Elite 320: Fixed Capacity

The Elite 320 is sealed at 3,200Wh — fine if that covers you, but it's the ceiling. The Apex 300 + 2×B500K starts at 13,005Wh and can add expansion batteries, so if your needs may climb toward partial-home backup, it has room to grow the Elite 320 doesn't.

[ADVANTAGE]

Surge Power: Inverter Quality Indicator

The Apex 300 + 2×B500K has a 2× surge-to-continuous ratio vs the Elite 320's 1.5×. A higher ratio (≥2×) means the inverter handles motor startup surges better. That's critical for fridges, AC compressors, and power tools that briefly draw 2-3× their rated wattage. The Elite 320 may trip when starting these appliances even though its continuous wattage looks sufficient.

[NOTE]

Warranty Value Comparison

The Elite 320 gives you 4.5 years of warranty per $1,000 spent, vs the Apex 300 + 2×B500K's 1 years. That's 4.5× more coverage per dollar. An underrated factor if you're keeping this unit for years.

[CAUTION]

Elite 320: Noise Level Not Disclosed

The Apex 300 + 2×B500K publishes its noise level (45dB), but the Elite 320 doesn't. Brands that don't disclose noise specs often have louder units. If noise matters to you (CPAP users, apartment dwellers), this is worth investigating before buying.

Full record above — the Test Desk pick is the Apex 300 + 2×B500K.

Check Apex 300 + 2×B500K price →or check the Elite 320 price
05

Ownership Analysis

What happens after you buy — true cost of ownership, brand trust, and growth potential.

Lifetime value

Apex 300 + 2×B500KElite 320

│ warranty ends · Reaching the cycle rating means ~80% capacity remains — degraded, not dead.

Apex 300 + 2×B500K
Elite 320
Purchase price
$4,999.00
$1,099.99
Lifetime energy delivered
45,517 kWh
9,600 kWh
Cost per lifetime kWh
$0.11
$0.11
Cost per warranty year
$1,000/yr
$220/yr
Battery lifespan
9.6yr daily · 33.7yr weekend · 67.3yr weekly
8.2yr daily · 28.8yr weekend · 57.7yr weekly

Analyst note

The Elite 320 is cheaper to buy, but the Apex 300 + 2×B500K is cheaper to own. At $0.11/kWh over its lifetime vs $0.11/kWh, the Apex 300 + 2×B500K's higher cycle life and capacity make each dollar go further over the years.

Growth path

Apex 300 + 2×B500K

EXPANDABLE

Supports BLUETTI expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 13,005Wh.

Accepts up to 2,400W of solar. Enough for a serious multi-panel array.

Generous port selection supports complex multi-device setups.

Expansion batteries are BLUETTI-specific. You're investing in the BLUETTI ecosystem.

Elite 320

FIXED CAPACITY

Fixed at 3,200Wh — a sealed, complete system. No expansion port, but that capacity already covers heavy and multi-day loads.

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.

Apex 300 + 2×B500KElite 320

Analyst note

The Elite 320 is sealed at 3,200Wh, which is fine if that covers you. The Apex 300 + 2×B500K starts at 13,005Wh and can grow beyond it with BLUETTI expansion batteries — real headroom the Elite 320 doesn't have if your needs climb toward partial-home backup.

06

The Bottom Line

The full picture comes down to this. The Apex 300 + 2×B500K edges ahead on our overall analysis, but the margin is narrow enough that your specific use case should drive the decision. Review the scenario verdicts above — if the Elite 320 wins in the scenarios that match your life, it's the right choice regardless of aggregate scores.

If neither the Apex 300 + 2×B500K nor the Elite 320 feels like the right fit, your power needs probably sit outside what these two target. For lighter use — weekend camping or phone/laptop charging — you'd be overpaying for capacity you'll rarely tap. Consider a unit in the 500–1,500Wh range instead. Prices on portable power stations fluctuate frequently. Both BLUETTI discount regularly, so check the current price before committing. Prime Day and Black Friday pricing typically drops 20-30%.

07

Frequently Asked Questions

Answers drawn from the spec record and cited owner research.

Is the Apex 300 + 2×B500K worth $3,899 more than the Elite 320?

The short answer: yes, if you'll actually use the extra capability. The Apex 300 + 2×B500K costs $3,899 more, but that premium buys you 9,804.8Wh more battery capacity (that's 56 extra hours of running a mini-fridge); 2,040W higher AC output (opening the door to more demanding appliances); a longer-lasting battery rated for 3,500 cycles — that's 10 years at daily use; 1,400W faster solar charging for quicker off-grid recovery. On a cost-per-watt-hour basis, you're paying $0.38/Wh vs $0.34/Wh. For regular use, we'd pay the premium.

How does the 9,804.8Wh capacity difference actually affect daily use?

The Apex 300 + 2×B500K's 13,004.8Wh battery keeps a mini-fridge running for roughly 74 hours vs the Elite 320's 18 hours. Both can handle a full 8-hour blackout setup (fridge + router + lights + phone charging ≈ 1,645Wh), but the Apex 300 + 2×B500K finishes with significantly more margin. That matters if conditions aren't ideal or the outage runs long. What specs don't mention: runtime drops 20-30% in cold weather (below 32°F/0°C) as battery chemistry slows down. The Apex 300 + 2×B500K's extra capacity provides a critical cold-weather buffer. For occasional phone and laptop charging, both are overkill. This gap only matters for sustained, multi-appliance use.

Can I actually carry the Apex 300 + 2×B500K, or is the Elite 320 the only portable option?

Neither is "portable" in any hiking sense. The Elite 320 (75 lbs) and the Apex 300 + 2×B500K (282.2 lbs) are both appliances you place and leave. The 207.2-lb difference matters when loading into a vehicle or moving between rooms, but that's about it. If true portability is your priority, look at units under 20 lbs in a different class entirely.

How fast can each unit recharge from solar panels in real conditions?

On paper, the Apex 300 + 2×B500K accepts 2,400W vs the Elite 320's 1,000W of solar input. What the spec sheet won't tell you: solar panels typically deliver only 60-80% of their rated output due to panel angle, cloud cover, and temperature. In realistic conditions, expect full recharge in about 7.7 hours for the Apex 300 + 2×B500K and 4.6 hours for the Elite 320. That gap widens on cloudy days, when the Apex 300 + 2×B500K's higher input ceiling captures more of whatever sunlight is available. One more thing: summer gives you ~7 productive solar hours per day. Winter drops to ~4. If solar is your primary recharge method, the Apex 300 + 2×B500K's advantage is substantial.

What if I need more capacity than the Elite 320's 3,200Wh later?

The Elite 320 is sealed at 3,200Wh, so if you expect your needs to climb, the Apex 300 + 2×B500K is the more future-proof pick: it starts at 13,004.8Wh and adds BLUETTI-compatible batteries without replacing the base unit. That said, "not expandable" isn't a flaw on its own — if 3,200Wh comfortably covers your loads, the Elite 320 is a complete unit, not a downgrade.

Bottom line: should I buy the Apex 300 + 2×B500K or the Elite 320?

We'd pay the premium for the Apex 300 + 2×B500K. Yes, it costs more. The capability jump is real: you're stepping into a tier that handles appliances the base model can't start. The Elite 320 is still solid if budget is the priority, but the Apex 300 + 2×B500K will leave you less likely to wish you'd "gone bigger" six months from now. That regret costs more than the price difference.

Check Apex 300 + 2×B500K price →

Where to buy

Apex 300 + 2×B500K

BLUETTI Apex 300 + 2×B500KPick

$4,999.00

Check current price

$4,999.00 list · direct from BLUETTI

Elite 320

BLUETTI Elite 320

$1,099.99

Check current price

$1,099.99 list · direct from BLUETTI

Prices may vary by retailer and are subject to change.