Power Station Chart

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500 Wh portable power stations

4 stations, ordered by one rule: 400 to 700 Wh, most AC output first. First is the BLUETTI AC50B.

By the Power Station Chart team, ranked from the makers' manuals, not physically tested. Last reviewed October 31, 2026.

How to choose among these

Four stations land between 448 Wh and 640 Wh in this size, and all four are LFP. The BLUETTI AC50B (448 Wh) and AC50P (504 Wh) both list 700 W of AC output, the most here. The Jackery Explorer 600 v2 holds the most energy at 640 Wh and carries a 6,000-cycle rating, but its AC output is 500 W. The EcoFlow RIVER 2 Max also stops at 500 W with 512 Wh, and at 13.4 lb it is the lightest of the four. Solar input is 200 W on the BLUETTI and Jackery units and 220 W on the RIVER 2 Max. None takes an expansion battery. The median is 508 Wh, with a median AC output of 600 W.

The 4 stations, in order

By the numbers

Median capacity508 Wh
Spread448 to 640 Wh
Most common batteryLFP, on 4 of 4
Makers3
Listed on Amazon2 of 4

Standouts by the makers' figures

FAQ

Which 500 Wh power station has the most AC output?

The two BLUETTI units, the AC50B and AC50P, at 700 W each. The Jackery Explorer 600 v2 and EcoFlow RIVER 2 Max list 500 W.

Which of the four charges fastest from a wall outlet?

The EcoFlow RIVER 2 Max lists 1 h at 660 W. The BLUETTI AC50B lists 1.17 h at 580 W, the AC50P 1.33 h at 600 W, and the Jackery Explorer 600 v2 1.66 h.

How many charge cycles are these rated for?

The Jackery Explorer 600 v2 is rated for 6,000 cycles to 70 percent capacity. The BLUETTI AC50B, AC50P and EcoFlow RIVER 2 Max list 3,000 cycles to 80 percent.

How long are the warranties?

The BLUETTI AC50B, AC50P and EcoFlow RIVER 2 Max list 5 years. The Jackery Explorer 600 v2 lists 3 years.

Other ways to sort

Where these figures come from

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