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2 kWh and up

Big batteries that can carry a home through a multi‑day outage.

At 2 kWh and above, stations start replacing gas generators: they can run a full‑size fridge for a day or more and power 240 V appliances on some models.

Best whole‑home backup
9.2/10

EcoFlow DELTA Pro 3

4,096Wh

A rolling home battery: 4 kWh, 4,000 W at 120/240 V, expandable to 48 kWh. It can run a well pump or central AC and replaces a gas generator.

Continuous AC output
4,000W
AC recharge time
50min
Max solar input
2,600W
Weight
113.5lb
Best value per kWh
8.9/10

Anker SOLIX F3000

3,072Wh

3 kWh with wheels at a much lower price per kWh than most rivals. 3,600 W through its RV port, expandable to 24 kWh, and two units can pair for 240 V.

Continuous AC output
3,600W
AC recharge time
115min
Max solar input
2,400W
Weight
91.5lb
Best 2 kWh for solar
8.9/10

BLUETTI Elite 200 V2

2,074Wh

The strongest 2 kWh option here: 2,600 W, 1,000 W of solar input and a 6,000‑cycle battery rated for 17 years, at under $1,000.

Continuous AC output
2,600W
AC recharge time
60min
Max solar input
1,000W
Weight
53.4lb
Quietest 2 kWh
8.7/10

DJI Power 2000

2,048Wh

3,000 W, 1,800 W of solar input and 15 ports in a near‑silent 48.5 lb box, expandable to 22.5 kWh.

Continuous AC output
3,000W
AC recharge time
90min
Max solar input
1,800W
Weight
48.5lb
Lightest 2 kWh
8.6/10

Jackery Explorer 2000 v2

2,042Wh

Two kilowatt‑hours in a 39.5 lb body, 41% lighter than typical 2 kWh LiFePO4 units, with Jackery’s simple controls and a built‑in light.

Continuous AC output
2,200W
AC recharge time
102min
Max solar input
400W
Weight
39.5lb