BLUETTI B230 Expansion Battery

Name: BLUETTI B230 Expansion Battery
Brand: BLUETTI

Ranked #8 of 9 in Best Expansion Batteries for Power Stations: EcoFlow, Jackery, Anker, BLUETTI (2026). Here is every spec we scored, where it came from, and how it compares.

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BLUETTI B230 Expansion Battery

Best for: A 2 kWh pack that also works as a power bank

2.7/10

What we like

USB-C, USB-A and 12 V outlets of its own
Fits older BLUETTI stations

Watch out for

Heavy for 2 kWh
Older models need the D050S

Score breakdown

Capacity 45%

Energy per kg 35%

Cycle rating 20%

Capacity	2048 Wh
Energy per kg	93.9 Wh/kg
Cycle rating	3500 cycles
Capacity	2,048 Wh (51.2 V, 40 Ah)
Chemistry	LiFePO4
Cycle rating	3,500+ to 80%
Fits	AC200MAX, AC200L; AC200P, EB150, EB240 via D050S
USB-C	100 W
Weight	21.8 kg (48 lb)
Warranty	4 years
Price	Check price