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Head-to-head test

BLUETTI Apex 300 vs BLUETTI EnergyPro 13K + 3×EnergyPack 500

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

Full profiles: BLUETTI Apex 300 →

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)

Spec deltas

Capacity
2,764.8Wh
14,400Wh
Output
3,840W
11,500W
Weight
83.8 lb
489.2 lb
Typical price
$1,699
$9,899
Cost / Wh
$0.61
$0.69
Solar input
2,400W
22,000W
01

Both carry the BLUETTI name, but they're built for different buyers. The Apex 300 (2,765Wh, 3,840W) and the EnergyPro 13K + 3×EnergyPack 500 (14,400Wh, 11,500W) come from different product lines with different engineering priorities and a $8,200 price gap. The EnergyPro 13K + 3×EnergyPack 500 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 EnergyPro 13K + 3×EnergyPack 500's 11,500W inverter has the headroom for a window AC, a full-size fridge, and power tools. The Apex 300's 3,840W inverter still runs most single appliances; the EnergyPro 13K + 3×EnergyPack 500's real edge is surge headroom for the biggest motor starts and stacking several heavy loads at once. On stamina, the EnergyPro 13K + 3×EnergyPack 500 keeps a fridge alive for roughly 82 hours vs the Apex 300's 16 hours. The cost? Portability. At 489.2 lbs, the EnergyPro 13K + 3×EnergyPack 500 is spread across boxes you site once and leave. The Apex 300 at 83.8 lbs is more manageable, though still not light.

Pick the EnergyPro 13K + 3×EnergyPack 500 if your primary use is 8-hour blackout or remote workday. Go with the Apex 300 if you primarily need it for weekend camping or tailgate party. 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

With a massive 3,840W output, the Apex 300 can run high-wattage appliances like space heaters, hair dryers, and electric grills without tripping. Weighing in at 83.8 lbs, this is not a unit you want to carry far. It's best suited as a stationary backup or RV companion.

Strengths

  • +Costs $8,200 less
  • +Lighter by 405.4 lb

Trade-offs

  • –Weaker inverter (-7,660W) limits appliance compatibility.
  • –Very heavy unit that may be difficult for one person to lift.

BLUETTI EnergyPro 13K + 3×EnergyPack 500

With a massive 11,500W output, the EnergyPro 13K + 3×EnergyPack 500 can run high-wattage appliances like space heaters, hair dryers, and electric grills without tripping. Weighing in at 489.2 lbs, this is not a unit you want to carry far. It's best suited as a stationary backup or RV companion.

Strengths

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

Trade-offs

  • –Substantially more expensive (+$8,200) than the Apex 300.
  • –Significantly heavier (+405.4 lbs), making it harder to move.
  • –Very heavy unit that may be difficult for one person to lift.
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

The EnergyPro 13K + 3×EnergyPack 500 is installed at the electrical panel — it backs up the building and doesn't leave it, so this scenario belongs to the Apex 300 by default — and it earns it, covering the 2,100Wh with 250Wh to spare. Capacity was never the EnergyPro 13K + 3×EnergyPack 500's problem here; getting to a campsite was.

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

EnergyPro 13K + 3×EnergyPack 500

Both survive the night. The EnergyPro 13K + 3×EnergyPack 500 finishes at 13% used with 10,595Wh left — 6.4 more nights like it. The Apex 300 finishes at 70% with 705Wh, 43% of a second night. If your outages tend to run past one evening, that difference is the whole argument between them.

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

A CPAP is about 40W for eight hours, so both of these cover the night several times over — capacity isn't the question here. The only published difference is fan noise, and it can't settle this: the Apex 300 is rated 45dB and the EnergyPro 13K + 3×EnergyPack 500 50dB, but both are BLUETTI's own ratings on one convention, best-case floors rather than readings at a CPAP's draw. Neither settles which box is quieter at a bedside. Buy whichever is cheaper or easier to carry.

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

EnergyPro 13K + 3×EnergyPack 500

The EnergyPro 13K + 3×EnergyPack 500 clears the workday at 7% used, banking 11,330Wh — late work, extra calls, or a second laptop charge without arithmetic. The Apex 300 at 39% also finishes, with 1,440Wh of slack for the unplanned.

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

The EnergyPro 13K + 3×EnergyPack 500 is installed at the electrical panel — it backs up the building and doesn't leave it, so this scenario belongs to the Apex 300 by default — and it earns it, covering the 670Wh with 1,680Wh to spare. Capacity was never the EnergyPro 13K + 3×EnergyPack 500's problem here; getting to a tailgate was.

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 gives you a powered van: the EnergyPro 13K + 3×EnergyPack 500 has the energy but is wired to the building, and the Apex 300 covers about 50% of the 4,685Wh. One can't go; the other can't finish.

RV & van-life power guide →

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

Apex 30011.5h
70% of usable battery in 8h
EnergyPro 13K + 3×EnergyPack 50059.7h
13% of usable battery in 8h

For this load: EnergyPro 13K + 3×EnergyPack 500 runs 59.7h vs 11.5h.

Check EnergyPro 13K + 3×EnergyPack 500 price →

$9,899 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 0–816h
ApplianceApex 300EnergyPro 13K + 3×EnergyPack 500
CPAP Machine40W draw
Apex 300: 58.8h7 full nights
EnergyPro 13K + 3×EnergyPack 500: 306h38 full nights
Phone Charger15W draw
Apex 300: 156.7h
EnergyPro 13K + 3×EnergyPack 500: 816h
Router + Modem20W draw
Apex 300: 117.5h
EnergyPro 13K + 3×EnergyPack 500: 612h
Starlink75W draw
Apex 300: 31.3h
EnergyPro 13K + 3×EnergyPack 500: 163.2h
LED Lights (4 bulbs)40W draw
Apex 300: 58.8h
EnergyPro 13K + 3×EnergyPack 500: 306h
Laptop (Working)60W draw
Apex 300: 39.2h
EnergyPro 13K + 3×EnergyPack 500: 204h

Comfort & Convenience

Makes off-grid life actually enjoyablescale 0–163.2h
ApplianceApex 300EnergyPro 13K + 3×EnergyPack 500
Box Fan75W draw
Apex 300: 31.3h
EnergyPro 13K + 3×EnergyPack 500: 163.2h
LED TV (55")80W draw
Apex 300: 29.4h
EnergyPro 13K + 3×EnergyPack 500: 153h
Mini-Fridge150W draw
Apex 300: 15.7h
EnergyPro 13K + 3×EnergyPack 500: 81.6h
Electric Blanket200W draw
Apex 300: 11.8h1 full night
EnergyPro 13K + 3×EnergyPack 500: 61.2h7 full nights

High-Draw Appliances

These reveal the real limitsscale 0–12.2h
ApplianceApex 300EnergyPro 13K + 3×EnergyPack 500
Coffee Maker1000W draw
Apex 300: 2.4h
EnergyPro 13K + 3×EnergyPack 500: 12.2h
Microwave1200W draw
Apex 300: 2h
EnergyPro 13K + 3×EnergyPack 500: 10.2h
Space Heater1500W draw
Apex 300: 1.6h
EnergyPro 13K + 3×EnergyPack 500: 8.2h

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 EnergyPro 13K + 3×EnergyPack 500, on Power Score margin

These two units are closely matched on individual specs, but our Power Score analysis gives the EnergyPro 13K + 3×EnergyPack 500 the edge with a composite score of 14,193 vs 4,644.

Today the Apex 300 is $1,599, $100 under its typical $1,699. The verdict weighs typical prices, not today's. Prices checked 2 hours ago.

Overall score margin: 4,644 vs 14,193 (−205.6%)

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

Check EnergyPro 13K + 3×EnergyPack 500 price

$9,899.00 · direct from BLUETTI

Last checked 2 hours ago. Prices move — check before you buy.

or check the Apex 300 price$1,599.00 list

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

Black Friday · 25 days out

Price to beat:Apex 300 $1,499

The lowest we have recorded. A Black Friday price above it is a sale this unit has already had.

BLUETTI Black Friday deals →
04

Measured Data

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

Benchmark scores

Apex 300EnergyPro 13K + 3×EnergyPack 500
Overall Power Score
4,644
14,193
Home BackupCapacity & Resilience
4,900
13,663
Food TruckSustained Heavy Output
4,421
12,687

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

Full specifications

Apex 300
$1,599
See live price →
EnergyPro 13K + 3×EnergyPack 500
$9,899★ our pick
See live price →
Capacity (Wh)
2764.8
14400
Output (W)
3840
11500
Surge Peak
N/A
Not Specified
AC Outlets
4
Hardwired
240V Outlets
1
Hardwired
30A RV Outlets
1
0

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 rates 4.9/5 (93rd percentile of 28 Large-class units), and EnergyPro 13K + 3×EnergyPack 500 rates 4.4/5 (64th 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.

[CAUTION]

Weight Reality Check

Neither unit is grab-and-go. The Apex 300 (83.8 lbs) is manageable solo but heavier than a large checked suitcase. The EnergyPro 13K + 3×EnergyPack 500 (489.2 lbs) is a wall-installed system — its weight matters to the installer on day one, then never again.

[NOTE]

Fan Noise: Two Published Ratings

The Apex 300 is rated 45dB (like a running refrigerator), the EnergyPro 13K + 3×EnergyPack 500 50dB (like moderate rainfall). Neither is a measurement on a shared bench — both are BLUETTI's own ratings on one convention, best-case floors rather than readings at a CPAP's draw. Take the pair as a prompt to find hands-on reports rather than as a gap you can act on. For most people, fan noise around 45dB and up is where sleep starts to suffer, and neither figure tells you what either unit does at a 40W draw.

[NOTE]

Apex 300: Power Lifting to 7,680W

The Apex 300 has BLUETTI's Power Lifting mode, which runs a resistive appliance rated up to 7,680W from its 3,840W inverter. It does that by delivering less power than the appliance asks for, not more than the inverter has: the heater still works, it just heats more slowly. Two things follow. 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, and this record publishes no surge figure at all, so read the mode as a resistive-load feature rather than as starting ability. And it is not a reason to size down, because running a load that big from 2,765Wh is a short session either way. Genuinely useful if a heater or a kettle is why you're buying; beside the point otherwise. Our record for the EnergyPro 13K + 3×EnergyPack 500 carries no Power Lifting figure, so check BLUETTI's own spec sheet before reading this as something the EnergyPro 13K + 3×EnergyPack 500 lacks.

[NOTE]

UPS Switchover: ≤10ms vs ≤20ms

Both list a UPS mode, at different rated speeds. The Apex 300 is rated ≤10ms — quick enough on paper that desktop PCs and routers should ride through, treating that as the rating it is. The EnergyPro 13K + 3×EnergyPack 500 is rated ≤20ms — fine on paper for routers and most electronics; the fussiest PC power supplies sit right at this line. If a computer with unsaved work is the thing being protected, the stated class is worth the attention; nothing here is a lab result.

[NOTE]

Warranty: 10 Years vs 5

The EnergyPro 13K + 3×EnergyPack 500 is covered for 10 years against the Apex 300's 5 years. The cheaper Apex 300 does buy more warranty per dollar (2.9 years per $1,000 against 1), but that is a statement about price, not about coverage — if a fault appears in year 6, only one of these is still covered. The Apex 300's figure is a maximum rather than a guarantee — it depends on buying direct from BLUETTI or registering the unit, since reseller purchases carry a shorter term. An underrated factor if you're keeping this unit for years.

Full record above — the Test Desk pick is the EnergyPro 13K + 3×EnergyPack 500.

Check EnergyPro 13K + 3×EnergyPack 500 price →or check the Apex 300 price
05

Ownership Analysis

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

Lifetime value

Apex 300EnergyPro 13K + 3×EnergyPack 500

│ warranty ends · Reaching the cycle rating means ~80% capacity remains — degraded, not dead. est. = no published cycle rating; the brand’s average is used instead.

Apex 300
EnergyPro 13K + 3×EnergyPack 500
Purchase price
$1,599.00
$9,899.00
Lifetime energy delivered
16,589 kWh
60,480 kWh est.
Cost per lifetime kWh
$0.10
$0.16 est.
Cost per warranty year
$340/yr
$990/yr
Battery lifespan
16.4yr daily · 57.7yr weekends · 115.4yr weekly
11.5yr daily · 40.4yr weekends · 80.8yr weekly est.

Analyst note

The EnergyPro 13K + 3×EnergyPack 500 has no published cycle rating, so its lifetime rows use the average of the 46 LiFePO4 units BLUETTI does rate: about 4,200 cycles. That's a fair baseline for the brand but not a rating for this unit, so cost to own isn't scored on it. Judge these two on price, capacity and warranty, and read the rows marked "est." as a ballpark.

Growth path

Apex 300

EXPANDABLE

Supports BLUETTI expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 2,765Wh.

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.

EnergyPro 13K + 3×EnergyPack 500

EXPANDABLE

Supports BLUETTI expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 14,400Wh.

Accepts up to 22,000W 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 300EnergyPro 13K + 3×EnergyPack 500

Analyst note

Both expand, but the EnergyPro 13K + 3×EnergyPack 500's higher solar ceiling (22,000W vs 2,400W) gives it the stronger off-grid growth path — more panels can feed a bigger bank as it grows.

06

The Bottom Line

The full picture comes down to this. The EnergyPro 13K + 3×EnergyPack 500 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 Apex 300 wins in the scenarios that match your life, it's the right choice regardless of aggregate scores.

If neither the Apex 300 nor the EnergyPro 13K + 3×EnergyPack 500 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 EnergyPro 13K + 3×EnergyPack 500 worth $8,200 more than the Apex 300?

The short answer: yes, if you'll actually use the extra capability. The EnergyPro 13K + 3×EnergyPack 500 costs $8,200 more, but that premium buys you 11,635.2Wh more battery capacity (that's 66 extra hours of running a mini-fridge); 7,660W higher AC output (opening the door to more demanding appliances); 19,600W faster solar charging for quicker off-grid recovery. On a cost-per-watt-hour basis, you're paying $0.69/Wh vs $0.61/Wh. For regular use, we'd pay the premium.

How does the 11,635.2Wh capacity difference actually affect daily use?

The EnergyPro 13K + 3×EnergyPack 500's 14,400Wh battery keeps a mini-fridge running for roughly 82 hours vs the Apex 300's 16 hours. Both can handle a full 8-hour blackout setup (fridge + router + lights + phone charging ≈ 1,645Wh), but the EnergyPro 13K + 3×EnergyPack 500 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 EnergyPro 13K + 3×EnergyPack 500'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 EnergyPro 13K + 3×EnergyPack 500, or is the Apex 300 the only portable option?

Neither is "portable" in any hiking sense. The Apex 300 (83.8 lbs) and the EnergyPro 13K + 3×EnergyPack 500 (489.2 lbs) are both appliances you place and leave. The 405.4-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 EnergyPro 13K + 3×EnergyPack 500 accepts 22,000W vs the Apex 300's 2,400W 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 0.9 hours for the EnergyPro 13K + 3×EnergyPack 500 and 1.6 hours for the Apex 300. That gap widens on cloudy days, when the EnergyPro 13K + 3×EnergyPack 500'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 EnergyPro 13K + 3×EnergyPack 500's advantage is substantial.

Bottom line: should I buy the Apex 300 or the EnergyPro 13K + 3×EnergyPack 500?

We'd pay the premium for the EnergyPro 13K + 3×EnergyPack 500. 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 Apex 300 is still solid if budget is the priority, but the EnergyPro 13K + 3×EnergyPack 500 will leave you less likely to wish you'd "gone bigger" six months from now. That regret costs more than the price difference.

Check EnergyPro 13K + 3×EnergyPack 500 price →

Where to buy

Apex 300

BLUETTI Apex 300

$1,599.00

Check current price

$1,599.00 · direct from BLUETTI

down from $1,699 · 6% below usual

Last checked 2 hours ago. Prices move — check before you buy.

EnergyPro 13K + 3×EnergyPack 500

BLUETTI EnergyPro 13K + 3×EnergyPack 500Pick

$9,899.00

Check current price

$9,899.00 · direct from BLUETTI

Last checked 2 hours ago. Prices move — check before you buy.

Prices may vary by retailer and are subject to change.