Side by side

BLUETTI Elite 300 vs Elite 400: 400 offers about 27% more reserve, though it adds almost 28 lb

Quick verdict

If you have to lift the station, or want stronger solar input in a smaller backup setup, the Elite 300 is the one. The Elite 400 fits when it can stay put or roll into place and the extra 825.6Wh matters. The Elite 400 brings about 27% more battery capacity and almost 28 lb more weight, with only a modest increase in continuous AC output.

Before you buy

Why, and what it costs you

At 400W, Elite 400 gains about 1.65 estimated hours

Elite 300 comes to 6.03 hours and Elite 400 to 7.68 hours under the same 80% usable-energy allowance.

Where this comes from

3014.4 × 0.8 ÷ 400 = 6.0288 hours and 3840 × 0.8 ÷ 400 = 7.68 hours. Both are planning estimates and not measured discharge results.

The catch

BLUETTI Elite 300

The 2400W total AC limit covers the RV outlet too.

The catch

BLUETTI Elite 400

Wheels make level ground easy, yet stairs and loading it into a car still mean handling 86 lb.

BLUETTI Elite 300

BLUETTI Elite 300

Why pick it
  • Lifting the station is unavoidable, and roughly 3kWh of base capacity is enough for you.
  • A 1200W solar ceiling or the documented 12V 30A connection is what you’re after.
The catch
The 2400W total AC limit covers the RV outlet too.
See price & reviews on Amazon
BLUETTI Elite 400

BLUETTI Elite 400

Why pick it
  • It can sit in one spot or roll on its built-in wheels.
  • More stored energy matters, and you don’t want to add a separate battery.
The catch
Wheels make level ground easy, yet stairs and loading it into a car still mean handling 86 lb.
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Comparison updated , Product data updated , Amazon.com / United States

What this page compares

BLUETTI Elite 300 and Elite 400 compared on overnight reserve, carry weight, solar input and the gap between rated and bypass output.

Elite 300 is substantially easier to lift, and Elite 400 packs more reserve into one wheeled box.

Which one fits

Pick the situations that sound like you

  • I have to get the station up into a vehicle

    Elite 300 weighs roughly 28 lb less.

    BLUETTI Elite 300
    Better fit
    BLUETTI Elite 400
    Caution
  • The station will stay put and I need more reserve

    An extra 825.6Wh is stored by Elite 400.

    BLUETTI Elite 300
    Good
    BLUETTI Elite 400
    Better fit
  • A compatible 1200W solar input is what I want to use

    The cap on Elite 400 is 1000W.

    BLUETTI Elite 300
    Better fit
    BLUETTI Elite 400
    Caution
  • Later on, I plan to add an expansion battery

    Capacity is fixed and built in on both.

    BLUETTI Elite 300
    Not suitable
    BLUETTI Elite 400
    Not suitable

In practice

Differences you will notice

At 400W, Elite 400 gains about 1.65 estimated hours

Elite 300 comes to 6.03 hours and Elite 400 to 7.68 hours under the same 80% usable-energy allowance.

How we worked this out

3014.4 × 0.8 ÷ 400 = 6.0288 hours and 3840 × 0.8 ÷ 400 = 7.68 hours. Both are planning estimates and not measured discharge results.

Stored energy rises more slowly than the extra weight

Compared with Elite 300, Elite 400 has about 27.4% more capacity and 48.3% more listed weight.

How we worked this out

(3840 − 3014.4) ÷ 3014.4 × 100 and (86 − 57.98) ÷ 57.98 × 100. Note that the 86 lb figure is rounded.

On the Elite 300 bypass check, a 2000W wall-connected load fails

Although it sits below the 2400W battery-mode rating, it is 200W over the documented 1800W US bypass limit.

How we worked this out

2000 − 1800 = 200W. The limit is specific to a mode and doesn’t claim that the inverter can’t deliver 2000W from its battery.

Option A
BLUETTI Elite 300

BLUETTI, Elite 300

Elite 300

This box stores a lot of energy and still fits in a vehicle compartment. A 30A DC output together with an RV socket makes it especially useful on trips that call for longer runtime rather than a bigger inverter.

Best for
Van and RV trips with limited storage space and several low-to-moderate loads.

Facts we checked

  • 2400W US AC output from a 3014.4Wh battery.
  • Dimensions of 14.41 by 12.01 by 11.71 inches, at about 57.98 lb.
  • Solar input of 1200W across 12V to 60V, up to 22A.
  • A 100W USB-C port and a 140W USB-C port.
  • TT-30 RV outlet and a 12V 30A DC connection.
  • 1800W US AC bypass limit and 10ms transfer.
Option B
BLUETTI Elite 400

BLUETTI, Elite 400

Elite 400

On wheels and aimed at long outages with moderate loads, this battery stores far more energy than a 2kWh station. Its 2600W inverter can’t run every large appliance at once, though.

Best for
Running several essentials you’ve measured for longer, all from one self-contained battery.

Facts we checked

  • 2600W rated AC output from a 3840Wh battery.
  • A pull handle and built-in wheels.
  • Solar input of 1000W, from 12V to 60V and 20A maximum.
  • 15ms transfer.
  • Charging from US AC alone is listed at about 2.5 hours to full.

Spec by spec

Where they really differ

Where BLUETTI Elite 300 and BLUETTI Elite 400 differ
SpecBLUETTI Elite 300BLUETTI Elite 400In practice
Battery capacity3014.4Wh3840WhNominal reserve is 825.6Wh higher on Elite 400.
Continuous battery-mode AC output2400W2600WOutput goes up by only 200W.
Listed weight57.98 lbAbout 86 lbEach lift is roughly 28 lb lighter with Elite 300.
MobilityCarry handlesBuilt-in wheelsLet the route from storage to the appliance drive the choice.
Maximum solar input1200W1000WA larger battery doesn’t come with a larger solar input.
Capacity expansionFixed built-in capacityFixed built-in capacityDon’t buy either on the assumption that the battery can be expanded later.
Elite 300 US AC bypass limit1800WCheck Elite 400 operating mode limitsThe 2400W rating on Elite 300 applies to battery mode and not to wall-connected bypass.

Trade-offs

What each pick costs you

With BLUETTI Elite 300

  • In battery mode it outputs 2400W, but US AC bypass is capped at 1800W.

With BLUETTI Elite 400

  • Plan around 2600W of combined AC output. The 3900W lifting-mode number is a headline figure. Do not treat it as a working limit.

Decision guide

How to decide

The extra battery is worth buying only when the energy you need justifies a heavier station.

01

The battery gap counts in a longer outage

The Elite 400 holds 825.6Wh more than the Elite 300. That extra reserve can pay off for a sustained modest load when no charging is available. It is a harder sell for a station you routinely lift into a vehicle. Weigh the energy you need between charging opportunities against the roughly 28 lb increase.

02

Solar recharging can be easier with the smaller unit

The Elite 300 takes up to 1200W of solar input, against a 1000W limit on the Elite 400, and it has a smaller battery to refill. Both facts favor the Elite 300 when the sun is the main charging source and a suitable array is available. In changing weather, neither solar ceiling predicts an exact charge time.

03

Running from battery and wall-connected backup are different jobs

The Elite 300 is rated for 2400W AC output from its battery, yet the US manual caps AC bypass at 1800W. A 2000W setup needs a check for each mode and not just a quick look at the front-page output number. For either unit, find out how the outlet you plan to use behaves while charging and after mains power fails.

Check these before you buy

  • Work out whether your route means lifting, rolling or both.
  • For equipment that stays plugged in all the time, read the US bypass and per-outlet limits.
  • Don’t lump combined AC-plus-solar speed claims in with wall-only charging.

What this page can’t tell you

  • The runtime estimates rest on 80% usable energy and a steady load. They do not come from tested efficiency.
  • Before you treat either station as whole-home backup, check voltage, transfer equipment and load requirements.

By the numbers

What the data shows

What we found across the portable power stations we compare, plus the checked facts behind each finding.

How many fit

25 of the 50 models checked meet every need here: “I want backup power for the essentials at home”, “My priority is keeping food cold”, and “Solar will be a real part of how I recharge”.

25 models fit, out of 50 checked

The gap in numbers

BLUETTI Elite 400 lists 3,840 Wh for battery capacity, 27% more than the 3,014.4 Wh on BLUETTI Elite 300.

BLUETTI Elite 300
3,014.4 Wh
BLUETTI Elite 400
3,840 Wh
Models with this figure
50 of 50
Show the facts and the math
Models in the comparison
50 models
Sources
4 covering these models
Product data updated

How we countedThe count uses each product's current fit ratings for “I want backup power for the essentials at home”, “My priority is keeping food cold”, and “Solar will be a real part of how I recharge”. A need with no documented match is not counted.

How we calculatedThese are nominal watt-hour ratings. How much energy you get out depends on inverter losses, temperature and load. For context, 50 of 50 models publish comparable figures.

The facts and sources behind each product in this recommendation
ProductNeeds it meetsFacts we checkedSources
BLUETTI Elite 300
  • Home essentials
  • Refrigerator backup
  • Faster solar
  • 2400W US AC output from a 3014.4Wh battery.
  • Dimensions of 14.41 by 12.01 by 11.71 inches, at about 57.98 lb.
  • Solar input of 1200W across 12V to 60V, up to 22A.
BLUETTI Elite 400
  • Home essentials
  • Refrigerator backup
  • Faster solar
  • 2600W rated AC output from a 3840Wh battery.
  • A pull handle and built-in wheels.
  • Solar input of 1000W, from 12V to 60V and 20A maximum.

Ready to buy

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