Apex 300
- you run big loads: 3,840W, kitchen appliances together
- you need 240V for a well pump or a dryer, or a 14-50 outlet
- you’ll grow it: up to 6 B300K batteries, 2,400W of solar
Elite 400
- you want the most runtime: 3,840Wh in one box
- you’ll roll it around: wheels and a telescopic handle
Prices and stock checked by our price engine on November 12, 2026 at 7:05 AM EST. Each product is rechecked several times a day; the time refreshes when you load the page.
One delivers 3,840W. The other stores 3,840Wh. Pick the number your house needs.
The BLUETTI Apex 300 delivers 3,840W at 120V or 240V, takes 2,400W of solar and grows to about 19kWh with B300K batteries. The BLUETTI Elite 400 stores 3,840Wh on its own, 39% more than the Apex’s 2,765Wh, rolls on wheels and keeps USB-C, USB-A and a car socket on the unit, but stops at 2,600W and can’t be expanded. Today the Apex 300 and the Elite 400 cost the same.
Below: every difference with numbers, a 20-second calculator for your own gear, six modeled situations, and what four published tests found.
Today the Apex 300 and the Elite 400 cost the same. The Apex 300 delivers 1,240W more, adds 240V, takes 2.4 times the solar and can be expanded.
- you need 3,840W or 240V
- you’ll expand past 3kWh
- you’ll run up to 2,400W of solar
- you want 3,840Wh without add-ons
- you’ll roll it: wheels and handle
- you want USB and 12V on the unit
The five differences that decide it
The five gaps that decide the purchase, with the better spec for most buyers flagged. Both use LFP cells, have four 20A outlets, charge at 1,800W from a standard outlet, work with the BLUETTI app and carry a 5-year warranty.
Will it run your setup? Check in 20 seconds
Estimates use 85% usable capacity and 70% of rated solar output. Real results vary with temperature, inverter load, shade and appliance cycling. Fridge and freezer watts are daily averages and do not include compressor startup surges.
Runtime by appliance, one at a time
Simple energy estimates, not measured runtimes. About 2,350Wh usable on the Apex 300 and 3,264Wh on the Elite 400.
Appliance for appliance, the Elite 400 lasts 39% longer than the Apex 300.
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The price gap, in numbers
The BLUETTI Apex 300 and the BLUETTI Elite 400 cost the same today, so the Elite 400 adds 1,075Wh for nothing extra.
Prices refresh daily from BLUETTI US.The lifetime figure divides the price by the rated cycles to 80% times the capacity. BLUETTI rates the Apex 300 at 6,000+ cycles; the 3,000+ for the Elite 400 comes from reviewers’ spec sheets. Read it as a ranking, not a bill. Prices on BLUETTI US change often; the figures here are refreshed daily by our price engine, so the gap may differ from launch pricing.
The third option: the Elite 300 at $1,199
BLUETTI Elite 300: $1,199 today
3,014Wh at 58 lb, 2,400W, a TT-30, a 12V/30A port, 140W USB-C and a 10ms UPS that StorageReview measured at 8ms. No 240V, no expansion, 1,200W of solar. It’s the travel-ready unit of the family: lighter than either of these, with the RV ports neither has in full. Our Elite 300 review goes deeper. See the Elite 300 at BLUETTI.
Six modeled situations, worked out
Same formula as the calculator above, with 0 extra batteries unless stated. The fridge averages 60W, about 525kWh a year.
24-hour outage, essentials only
The Elite 400 lasts about ten hours longer on its own. Only the Apex 300 can be extended past that, one B300K at a time.
Breakfast during an outage
The Barefoot Nomad ran a kettle, an espresso machine, a blender and a toaster together, peaking well over 3,300W, on the Apex 300. On the Elite 400, run them one or two at a time.
A 240V well pump or dryer
Only the Apex 300 delivers 240V, through its 14-50 outlet with the voltage selector at 240V. The Elite 400 is 120V only.
Refill from solar, 2,400W of panels
The Elite 400 has the bigger battery and the smaller solar input, so a full refill takes most of a sunny day. The Apex 300 refills before lunch.
Two nights in an RV
The Elite 400 runs longer and has a car socket and USB-C for the fridge and laptops, but no TT-30. The Apex 300 plugs into a 30A RV inlet through its TT-30 and needs the Hub D1 for 12V and USB.
Home office through an outage
Both carry a workday; the Elite 400 nearly two. It switches in 15ms, and two reviewers kept a computer running through a grid cut. The Apex 300 offers 0ms on two outlets in 240V mode, 20ms otherwise.
Nine more differences, the spec sheet and the box
Smaller gaps that rarely decide the purchase, then the full specifications and what ships in the box.
Apex 300 and Elite 400 weight, dimensions and full specifications
Weight: 83.8 lb for the Apex 300 and 86 lb for the Elite 400, which rolls on wheels. Dimensions: 20.7 × 12.9 × 12.6 in and 17 × 11.34 × 19.29 in without the handle. Everything else is in the sheet below.
BLUETTI Apex 300 and Elite 400 full specifications
Every published figure for both units, grouped. Green marks the better value.
What’s in the box
Apex 300
- Apex 3002,765Wh, 83.8 lb
- AC charging cable1.8 m
- Car charging cable
- Manual, warranty card, grounding screw
- Hub D1 for USB and 12V sold separately
Elite 400
- Elite 4003,840Wh, 86 lb
- AC charging cable1.8 m
- Manual, grounding screw
- No car or solar cable
From BLUETTI US product pages.
07 · ChargingHow fast each one refills
Shorter bar, faster refill. Each row is scaled to its slower unit.
Apex 300: Silent, Auto and Turbo charging modesElite 400: Silent, Standard and Turbo modes, per T3
Wall times are BLUETTI’s US figures for each charging mode, except where marked as our estimate. Solar times divide capacity by input power, with panels at 70% of their rating. Reviews of UK and EU units charged at 2,300W and finished sooner than any US unit can on a 15A outlet.
Every port, side by side
Apex 300
Elite 400
Practical consequence: the Elite 400 charges phones, laptops and a 12V cooler out of the box; the Apex 300 is a home hub with RV and 240V outlets, whose USB and 12V live on an optional Hub D1.
09 · NoiseNoise and heat: Apex 300 vs Elite 400
The BLUETTI Elite 400 is the quieter one: reviewers found it barely audible while charging, and Notebookcheck measured about 40dB at 1 m while fast charging. Reviewers split on the BLUETTI Apex 300: its fan never switched on at a home office load, but Trusted Reviews found it audible much of the time.
BLUETTI US publishes no noise rating for either. Figures quoted for the Apex 300 via a reviewer are left out.Every figure we found, with its source
No decibel figure published.
What reviewers heard: The fan never switched on at a home office load and stayed very quiet under a strong load (The Barefoot Nomad); louder than other BLUETTI units, with fans audible much of the time (Trusted Reviews, UK unit).
What reviewers heard: Quiet at any charging speed (Trusted Reviews, UK unit); barely audible while pulling about 1.2kW from the wall (T3, UK unit).
Measured by a tester Brand figure
- Use the Silent charging mode overnight.
Cold, heat and storage: Apex 300 vs Elite 400
Both run from −4°F to 104°F. BLUETTI’s manual has the BLUETTI Apex 300 charging from 32°F to 104°F; the US page for the BLUETTI Elite 400 lists no charging range, only storage from 14°F to 104°F. Neither is weatherproof.
Apex 300 figures from its user manual; Elite 400 figures from the BLUETTI US product page.- Charge either one above freezing, and keep both out of the rain.
- For storage, leave them at 40 to 60% charge, powered off, with a full charge and discharge every 3 to 6 months (BLUETTI US manuals).
App, UPS and smart features
The BLUETTI Apex 300 does more: six extra batteries, 120/240V, home panel pass-through and weather alerts. The BLUETTI Elite 400 has the faster standard UPS, 15ms, and Time Control schedules.
Same app over Wi-Fi and Bluetooth. BLUETTI says neither UPS is for data servers.Green zone: a switch under about 16ms, which most desktop PCs ride through without restarting.
Can you add a battery later? The BLUETTI Apex 300 takes up to six B300K batteries; the BLUETTI Elite 400 is a sealed unit, which Fstoppers calls its single biggest limitation.
Does it deliver 240V? The BLUETTI Apex 300’s voltage selector switches to 120/240V on the 14-50, up to 3,840W; the BLUETTI Elite 400 stops at 2,600W and 120V.
Does it connect to a home panel? With its 50A input, the BLUETTI Apex 300 can pass up to 12,000W through to a home panel; BLUETTI lists no home panel link for the Elite 400.
Does it prepare for storms? When a warning is issued, the BLUETTI Apex 300 switches to Emergency Backup mode, once alerts are enabled in the app; BLUETTI lists no such feature for the Elite 400.
Can it charge off-peak? The BLUETTI Elite 400 has Time Control and Customized charge and discharge schedules in the app; BLUETTI’s Apex 300 listing names UPS modes without a time-of-use schedule.
Does it work as a UPS? The BLUETTI Elite 400 switches in 15ms, and reviewers kept a router, an iMac and a computer running through a cut. The BLUETTI Apex 300 offers 0ms on its two left outlets in 240V mode on the 15A input, 20ms otherwise.
How does the app connect? Both use the BLUETTI app over Wi-Fi or Bluetooth. Turn ECO mode off for a router, a modem or a fridge at low draw, or the outlet can shut off on its own.
Warranty and support
BLUETTI US gives the BLUETTI Apex 300 and the BLUETTI Elite 400 the same 5 years, from the purchase date with proof of purchase. No registration is required, but both are void if bought from an unauthorized reseller.
Same term. The Apex 300 is rated for twice the cycles.Subject to each brand’s warranty terms and eligibility.
BLUETTI rates the Apex 300 at 6,000+ cycles to 80% capacity, about 16 years at one full cycle a day. Reviewers’ spec sheets list 3,000+ for the Elite 400, about 8 years. Calendar aging and heat also reduce capacity, so read both as ceilings.
- Buy either one from BLUETTI or an authorized seller and keep proof of purchase: units from unauthorized resellers aren’t covered.
What reviewers report
We have not lab-tested these two units. Here is what 10 published reviews found, with the source, author and date for each point. Reviews of UK and EU units are flagged: those models charge from 230V outlets and have different sockets, so their charge times and outlet findings don’t carry over to US units.
Apex 300: The Barefoot Nomad (July 2026), Trusted Reviews (October 2025, UK unit), Notebookcheck (August 2025, EU unit), CleanTechnica (June 2026), T3 (November 2025, UK unit)Elite 400: Trusted Reviews (September 2026, UK unit), T3 (September 2026, UK unit), Notebookcheck (April 2026, EU unit), TechRadar (May 2026, UK unit), iPhone in Canada (February 2026)
Usable capacity
- Apex 300Reviewer At its full 3.8kW rated output it delivered 2.55kWh before shutting off, about 92% of the rated capacity. Trusted Reviews, Simon Handby, October 2025, UK unit
- Apex 300Reviewer Best usable energy came at a 2kW load: 2.58kWh, or 93.5% of the rated 2,764.8Wh. Trusted Reviews, Simon Handby, October 2025, UK unit
- Elite 400Reviewer At the full 2,600W output it ran about 90 minutes and delivered 3,288Wh, 85.6% of rated capacity. Trusted Reviews, Simon Handby, September 2026, UK unit
Charging
- Apex 300Reviewer Their unit arrived at 24% and reached 100% in under an hour on the default Auto charging mode. The Barefoot Nomad, Micki Kosman, July 2026
- Apex 300Reviewer A Turbo recharge from empty took 95 minutes and drew 3.35kWh from the wall (UK 230V input, faster than the US 1,800W wall limit). Trusted Reviews, Simon Handby, October 2025, UK unit
- Elite 400Reviewer Standard 1,200W charging took a little under four hours and drew 4,152Wh, about 92.5% efficiency. Trusted Reviews, Simon Handby, September 2026, UK unit
Noise and heat
- Apex 300Reviewer Running their home office load, the fan never switched on at all. The Barefoot Nomad, Micki Kosman, July 2026
- Apex 300Reviewer Louder than other BLUETTI units he has tested: fans are audible and run much of the time. Trusted Reviews, Simon Handby, October 2025, UK unit
- Elite 400Reviewer Quiet and unstressed while charging at any speed; a 100W USB-C test did not even start the fans. Trusted Reviews, Simon Handby, September 2026, UK unit
- Elite 400Reviewer Barely audible while pulling about 1.2kW from the wall. T3, Matt Kollat, September 2026, UK unit
UPS and output
- Apex 300Reviewer A kettle, espresso machine, blender and toaster together peaked well above 3,300W and the unit coped easily. The Barefoot Nomad, Micki Kosman, July 2026
- Apex 300Reviewer Kettles, vacuum cleaners and an electric hob all failed to overload it. Notebookcheck, Christian Hintze, August 2025, EU unit
- Elite 400Reviewer Laptops, monitors and fans stayed on during simulated cuts, but LED lighting briefly flickered. TechRadar, Jack Laurent, May 2026, UK unit
- Elite 400Reviewer A router and an iMac stayed on through a power cut test. iPhone in Canada, Austin Blake, February 2026
Daily use and issues
- Apex 300Reviewer Silent charging started at 500W then fell to 200W around 20%, with an estimate of more than a day to finish. Trusted Reviews, Simon Handby, October 2025, UK unit
- Apex 300Reviewer Left on and plugged in with AC sockets off, in a time-of-use setup, the battery fell 48% over 12 hours. Trusted Reviews, Simon Handby, October 2025, UK unit
- Elite 400Reviewer The app tracks energy by source with daily to lifetime graphs plus a Savings section, but needs setup time. T3, Matt Kollat, September 2026, UK unit
- Elite 400Reviewer Wheels work well, but a sharp plastic lip on the handle caught fingernails and the handle sometimes needed jiggling to lock. TechRadar, Jack Laurent, May 2026, UK unit
Practical limits before you buy
- The Apex 300 ships from November 20. On October 30, 2026, BLUETTI US listed it with that ship date; orders are taken now.
- The Elite 400 stops at 2,600W and 120V. A kettle and a microwave together are near its limit.
- The Elite 400 can’t be expanded. 3,840Wh is the ceiling.
- The Apex 300 has no USB or 12V outputs. They live on the Hub D1, sold separately.
- Power Lifting is for heating loads only. Motors need the continuous rating: 3,840W or 2,600W.
- The Elite 400’s 70-minute figure is to 80%, with AC and solar together. On a wall outlet alone, plan on about 2.5 hours to full.
- Both weigh about 85 lb. Only the Elite 400 has wheels.
- Apex 300, per its US documentation: Not for data servers or workstations that require a high-performance UPS (US manual).
- Apex 300, per its US documentation: Standard US wall input is 120V 15A, 1,800W max including bypass; faster AC charging needs the P050A port and Hub A1.
- Apex 300, per its US documentation: No USB or DC outputs on the unit: USB-C, USB-A and 12V need the Hub D1, rated 700W.
- Apex 300, per its US documentation: With the selector at 240V, the 20A outlets are limited to 16A each and 1,920W per pair.
- Elite 400, per its US documentation: US AC input 1,800W max: 80% in 1.9 h and full in 2.5 h on AC alone; 2,800W AC plus solar gives 80% in 70 min, full in 1.8 h.
Frequently asked questions
What is the difference between the BLUETTI Apex 300 and the Elite 400?
The Apex 300 is a 3,840W home battery hub with 240V, 2,400W of solar and expansion to about 19kWh. The Elite 400 is a 3,840Wh, 2,600W station on wheels with USB and a car socket, and no expansion.
Which holds more energy?
On its own, the Elite 400: 3,840Wh against 2,765Wh. With one B300K battery, the Apex 300 reaches about 5,530Wh.
Can the Elite 400 run 240V appliances?
No. It’s 120V only. The Apex 300 delivers 240V on its 14-50 outlet with the voltage selector, up to 3,840W.
How long will each run a refrigerator?
At a 60W average: about 39 hours on the Apex 300 and 54 hours on the Elite 400.
Does the Apex 300 have USB ports?
Not on the unit. USB and 12V outputs come with the optional Hub D1. The Elite 400 has two USB-C, two USB-A and a car socket.
Which charges faster from solar?
The Apex 300: 2,400W of input against 1,000W, so about 1.6 hours of strong sun against about 5.5 for the Elite 400.
Which is easier to move?
The Elite 400. Both weigh about 85 lb, but the Elite 400 rolls on wheels with a telescopic handle.
Is the Elite 400 a good UPS?
It switches in 15ms; two reviewers kept a computer running through a grid cut. The Apex 300 can do 0ms on two outlets in 240V mode.
Do reviews confirm the rated capacity?
Roughly. Trusted Reviews (UK unit) got 2.55kWh out at a 3.8kW load and 2.58kWh at 2kW, from 2,765Wh. Trusted Reviews (UK unit) measured 3,288Wh at the full 2,600W and 3,558Wh at 1,000W; Notebookcheck (EU unit) got about 3,130Wh at 250W. Inverter losses take 8 to 15% on a typical AC load, which is why our calculator uses 85% of the rating.
How loud are the Apex 300 and the Elite 400?
Apex 300: no official US rating and no independent dB measurement we could verify. Elite 400: no official US rating; Notebookcheck measured about 40dB at 1 m while fast charging (EU unit). Fans ramp up mainly during fast charging and near full output; the slower charging modes are the quiet ones.
Does the warranty cover a unit bought from any seller?
BLUETTI US gives both 5 years from the original purchase, with valid proof of purchase. Its policy excludes units bought from unauthorized resellers and limits coverage to the country of purchase, so buy from BLUETTI or an authorized retailer.
Related comparisons and reviews
How we compared and sources
Research-based comparison. We have not physically tested these two units. Specs come from BLUETTI US documentation and the Apex 300 manual; usage observations are attributed to named reviewers. Prices and availability were checked on October 30, 2026.
- Specs: BLUETTI US, Apex 300 and BLUETTI US, Elite 400, read on October 30, 2026.
- Apex 300 ports, UPS conditions and temperatures: Apex 300 user manual (US EN). Elite 400 cycle rating: reviewers’ spec sheets (Fstoppers), not on the BLUETTI US page.
- Reviewer reports on the Apex 300: The Barefoot Nomad, Micki Kosman, July 2026, Trusted Reviews, Simon Handby, October 2025, UK unit, Notebookcheck, Christian Hintze, August 2025, EU unit, CleanTechnica, Kyle Field, June 2026, T3, Derek Adams, November 2025, UK unit; on the Elite 400: Trusted Reviews, Simon Handby, September 2026, UK unit, T3, Matt Kollat, September 2026, UK unit, Notebookcheck, Marcus Schwarten, April 2026, EU unit, TechRadar, Jack Laurent, May 2026, UK unit, iPhone in Canada, Austin Blake, February 2026, CGMagazine, Matt Keith, July 2026.
- Runtime = capacity × 0.85 ÷ watts. Solar harvest = min(panel watts, max input) × sun hours × 0.70. Cost per lifetime kWh = price ÷ (cycles × capacity in kWh).
Today the Apex 300 and the Elite 400 cost the same.
Prices checked November 12, 2026 at 7:05 AM EST
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Originally published: November 12, 2026