What does the Elite 400 offer on paper?
The BLUETTI Elite 400 holds 3840 Wh and puts out 2600 W of steady AC power. That puts it in the 2000 W or more of continuous AC output group. It uses LFP cells and carries a 5 years warranty.
Power Lifting is listed at 3900 W. Large steady output matters most when you plan to run tools, kitchen gear or a small heater.
| Power and capacity | |
|---|---|
| Battery capacity | 3840 Wh |
| Battery chemistry | LFP |
| Continuous AC output | 2600 W |
| Power lifting | 3900 W |
| Wall charging input | 1800 W |
| UPS switchover (max) | 15 ms |
| Pass-through charging | Yes |
| Expandable | No |
| Solar charging | |
| Max solar input | 1000 W |
| Lowest solar voltage | 12 V |
| Max solar voltage | 60 V |
| Max solar current | 20 A |
| Solar connector | xt60 |
| Solar input ports | 1 ports |
| Works with other brands' panels | Yes |
| Ports | |
| AC outlets | 4 |
| USB-A ports | 2 |
| USB-C ports | 2 |
| 12 V car socket | 1 |
| Size and moving it | |
| Length | 16.8 in |
| Width | 11.3 in |
| Height | 19.3 in |
| Weight | 85.98 lb |
| Pull-out handle | Yes |
| Wheels | Yes |
| Removable vents | Yes |
| Screen, app and light | |
| Readable in direct sunlight | Yes |
| App over Bluetooth and Wi-Fi | Yes |
| Built-in light | No |
| Temperature and warranty | |
| Charging, lowest | 0 °C |
| Charging, highest | 40 °C |
| Use, lowest | -20 °C |
| Use, highest | 40 °C |
| Warranty | 5 years |
| Product | Best current price | Watt-hours per dollar | Value rank |
|---|---|---|---|
 BLUETTI Elite 400 | $1,399.00 at BLUETTI | 2.74 Wh/$ | #1 of 4 |
 EcoFlow DELTA 3 Ultra Series | $1,349.00 at EcoFlow | 2.28 Wh/$ | #3 of 4 |
 BLUETTI Elite 300 | $1,199.00 at BLUETTI | 2.51 Wh/$ | #2 of 4 |
 BLUETTI Apex 300 Versatile | $1,499.00 at BLUETTI | 1.84 Wh/$ | #4 of 4 |
How heavy is the Elite 400, and how do you move it?
The Elite 400 weighs 85.98 lb, so it sits in the heavy (over 50 lb) class. It measures 16.8 in long, 11.3 in wide and 19.3 in tall. To move it, you get a pull-out handle and wheels.
Rolling a unit this size across grass or gravel is harder than on a smooth floor. Think about stairs, steep ramps and the height of your car trunk before you buy a unit in this weight class.
Which ports and screen does it have?
You get 4 AC outlets, 2 USB-C ports and 2 USB-A ports. There is also 1 DC car port. The screen is readable in direct sunlight.
An app over Wi-Fi and Bluetooth is listed as yes. As for a built-in light, it has none.
How does the Elite 400 charge?
From the wall, the Elite 400 takes in up to 1800 W. Solar input tops out at 1000 W through an xt60 plug. The solar input lists a 12 V minimum, a 60 V maximum and 20 A of maximum current.
At full solar input, the fastest full refill is 3.8 hours. Support for other brands of panels is marked yes. Real solar output depends on the weather, the panel angle and the temperature, so plan for slower refills on cloudy or very hot days.
What happens in a power outage?
The Elite 400 switches to battery in 15 ms at most, which places it in the 20 ms or less group. Pass-through charging is listed as yes.
A shorter switchover time matters most for devices that are sensitive to brief power loss. Check how sensitive your own devices are before you rely on any backup unit.
Is the Elite 400 good value for the money?
Among the units here, the Elite 400 gives the most energy per dollar: 2.74 Wh/$ at $1,399.00 from BLUETTI, for a value rank of #1 of 4. Behind it come the Elite 300 at 2.51 Wh/$, the DELTA 3 Ultra Series at 2.28 Wh/$ and the Apex 300 Versatile at 1.84 Wh/$.
Watt-hours per dollar shows how much stored energy each dollar buys.
Where does the Elite 400 fall short?
Battery expansion is a clear limit: it cannot add batteries. It also does not charge below 0 °C, though it can run loads down to -20 °C. On the hot side, charging and use are both rated up to 40 °C.
If you expect to grow your setup later, a unit that takes add-on packs may fit better. If you camp in freezing weather, check the charging limit before you go.
Who should buy the Elite 400?
This kind of unit fits a buyer who wants lots of stored energy in one box and does not need to carry it far. The Elite 400 holds the most energy in this group at 3840 Wh, against 3072 Wh for the DELTA 3 Ultra Series, 3014 Wh for the Elite 300 and 2764.8 Wh for the Apex 300 Versatile.
Buyers who need something light for hikes should look at smaller units.
How does the DELTA 3 Ultra Series compare?
The EcoFlow DELTA 3 Ultra Series costs $1,349.00, against $1,399.00 for the Elite 400. It holds 3072 Wh against 3840 Wh, but it pushes 3600 W of steady power against 2600 W. Surge is rated at 7200 W.
It is lighter at 72.1 lb and has 2 ports for solar, with 800 W of solar input. Its UPS switch is 10 ms at most. The warranty is 5 years, that is 3 years as standard, plus 2 more when you register it in the EcoFlow app.
Is the Elite 300 a better fit for smaller spaces?
The BLUETTI Elite 300 weighs 57.98 lb and stands 11.71 in tall, while the Elite 400 weighs 85.98 lb. It costs $1,199.00, against $1,399.00 for the Elite 400. Capacity drops to 3014 Wh and output to 2400 W.
Its solar input is higher, at 1200 W against 1000 W, and the fastest full solar refill is 2.5 hours. It has the same 4 AC outlets and a 10 ms UPS switch.
What does the Apex 300 Versatile do differently?
The BLUETTI Apex 300 Versatile takes up to 2400 W of solar input across 2 ports. Its fastest full solar refill is 1.2 hours, and its listed AC charge time is 45 minutes, a figure given for a partial charge rather than a full one. It holds 2764.8 Wh and lists Power Lifting at 7680 W.
At $1,499.00 it gives 1.84 Wh/$ and ranks #4 of 4 on value, while the Elite 400 gives 2.74 Wh/$. Pick fast charging if you refill often, and pick more capacity if you refill rarely.