Best solar generator picks, ranked by battery per dollar

Which solar generator gives you the most battery for the money?

On battery per dollar, the Elite 400 ranks #1 of 6 in this group at 2.74 Wh/$. BLUETTI sells it for $1,399.00 and lists 3840 Wh of LFP storage. Next come the AC180 Solar at #2 of 6 with 2.57 Wh/$ and the Elite 300 at #3 of 6 with 2.51 Wh/$.

The Elite 200 V2 is #4 of 6, the DELTA 3 Ultra Series is #5 of 6, and the DELTA 3 Classic is #6 of 6. Watt-hours per dollar measures only stored energy, not continuous output or recharging speed. Those details, along with weight, decide which unit fits the way you plan to use it.

At a glance

Product	Best current price	Watt-hours per dollar	Value rank
BLUETTI Elite 400	$1,399.00 at BLUETTI	2.74 Wh/$	#1 of 6
BLUETTI AC180 Solar	$449.00 at BLUETTI	2.57 Wh/$	#2 of 6
BLUETTI Elite 300	$1,199.00 at BLUETTI	2.51 Wh/$	#3 of 6
BLUETTI Elite 200 V2	$899.00 at BLUETTI	2.31 Wh/$	#4 of 6
EcoFlow DELTA 3 Ultra Series	$1,349.00 at EcoFlow	2.28 Wh/$	#5 of 6
EcoFlow DELTA 3 Classic	$499.00 at EcoFlow	2.05 Wh/$	#6 of 6

How big is the Elite 400, and how do you move it?

The Elite 400 case measures 16.8 in long, 11.3 in wide and 19.3 in tall, per BLUETTI, at a listed 85.98 lb. That weight puts it in the heavy (over 50 lb) class. It has a pull-out handle and wheels.

Steady output is rated at 2600 W, putting it among units with 2000 W or more of continuous AC output, and BLUETTI adds a 3900 W power lifting mode. For plugs, the Elite 400 has 4 AC outlets, 2 USB-C ports, 2 USB-A ports and 1 car port. Its screen is listed as readable in direct sunlight.

There is no built-in light. On battery expansion, it cannot add batteries. BLUETTI lists a charging range of 0 °C to 40 °C and a discharge floor of -20 °C.

With solar at its 1000 W max input, the calculated fastest full refill is 3.8 hours.

What does the AC180 Solar offer at its price?

At $449.00, the AC180 Solar costs less than the DELTA 3 Classic at $499.00, and it holds 1152 Wh against 1024 Wh. Output is 1800 W steady with a 2700 W surge, per the maker. Solar input is rated at 500 W through a dc7909 connector.

The calculated fastest full solar refill at that max input is 2.3 hours. BLUETTI lists a UPS switchover of 20 ms at most, which sits in the 20 ms or less group. The warranty runs 5 years.

Compare stored energy alongside price, and match capacity to the appliances you expect to run.

How fast can the Elite 300 refill from the sun?

At its 1200 W max solar input, the Elite 300 has a calculated fastest full refill of 2.5 hours for its 3014 Wh battery. The solar connector is xt60. BLUETTI lists a max input of 60 V and 22 A.

Pass-through charging is a yes, and so is support for third-party solar panels. Wall input is 1800 W. The Elite 300 weighs 57.98 lb, so it counts as heavy (over 50 lb).

Its case is 14.41 in long, 12.01 in wide and 11.71 in tall. With 2400 W of steady output, it clears the 2000 W or more of continuous AC output mark. Its UPS switchover is listed at 10 ms, and the price at BLUETTI is $1,199.00.

How quickly does the Elite 200 V2 charge from the wall?

BLUETTI lists wall charge times for the Elite 200 V2 of 1.4 hours in turbo mode, 1.6 hours in standard mode and 3 hours in silent mode. From the sun, BLUETTI lists 2.4 hours at its 1000 W max solar input. It holds 2073.6 Wh and puts out 2600 W steady, with a 3900 W power lifting mode.

App control over Wi-Fi and Bluetooth is a yes. On a display readable in direct sun, the answer is no. It costs $899.00 at BLUETTI and weighs 53.35 lb.

How much output does the DELTA 3 Ultra Series deliver?

EcoFlow rates the DELTA 3 Ultra Series at 3600 W steady and 7200 W surge, against 2600 W steady on the Elite 400. It stores 3072 Wh and costs $1,349.00 at EcoFlow. EcoFlow lists 800 W of max solar input and the xt60i connector.

There are 2 ports for solar input. Its calculated fastest full solar refill, at that max input, comes to 3.8 hours. EcoFlow lists the case at 24.6 in high, 15.6 in long and 12.9 in wide, at 72.1 lb.

EcoFlow's warranty lasts 5 years, that is 3 years as standard, plus 2 more when you register it in the EcoFlow app.

Where does the DELTA 3 Classic fit in this group?

The DELTA 3 Classic ranks #6 of 6 on value at 2.05 Wh/$, priced at $499.00 at EcoFlow. At a listed 26.6 lb, it falls in the easy to carry (under 30 lb) class. EcoFlow says it stores 1024 Wh and is rated for 1800 W steady and 3600 W surge.

A partial wall charge takes 45 minutes, per EcoFlow. EcoFlow lists a charging range starting at 0 °C. It cannot add batteries.

What should decide your pick?

Start by adding up the watts of every appliance you expect to run at the same time, then compare that total with the continuous output rating. Next, estimate how long those appliances must operate and compare that with the stored watt-hours. If you will relocate the unit often, weight and wheels can matter more than a higher value score.

For camping in cold weather, check the minimum charging temperature before choosing. Finally, match your panel wattage and plug type to the solar input limits on the spec sheet.