EcoFlow
DELTA 2 Max Extra Battery
Adds storage to a compatible DELTA system without being a standalone AC station. Verify the supported host model and included expansion cable.
- Nominal storage
- 2,048 Wh
THE OUTAGE GUIDE CATALOG
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More storage for a specific, compatible power-station system.
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8 products
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Expansion batteries are not standalone AC power stations. Confirm the supported host model, cable, firmware, and expansion limits. Read the guide
EcoFlow
DELTA Pro Extra Battery
A larger expansion pack for the compatible DELTA Pro system. Check the exact generation before assuming that a similar connector is sufficient.
- Nominal storage
- 3,600 Wh
EcoFlow
DELTA 3 Max Plus Extra Battery
A 2,048 Wh expansion option in the DELTA 3 Max Plus family. Match it to a specifically supported host rather than another 2 kWh battery.
- Nominal storage
- 2,048 Wh
EcoFlow
RIVER 3 Plus EB300
A smaller expansion option for the RIVER 3 Plus ecosystem. The EB300 product name does not mean the pack contains exactly 300 Wh.
- Nominal storage
- 286 Wh
EcoFlow
DELTA Pro Ultra Extra Battery
A high-capacity pack for a compatible DELTA Pro Ultra system. It needs the correct host hardware and is outside a simple standalone plug-in purchase.
- Nominal storage
- 6,144 Wh
Anker SOLIX
BP1000
An expansion pack associated with the original C1000. The C1000 Gen 2 name should not be treated as proof of compatibility.
- Nominal storage
- 1,056 Wh
Anker SOLIX
BP3800
A larger pack for supported F3800-family systems. Compare the complete host and battery model names before ordering.
- Nominal storage
- 3,840 Wh
Goal Zero
Tank PRO 4000
An expansion battery for a compatible Yeti PRO setup. It adds storage to the host system and does not replace the host inverter.
- Nominal storage
- 3,994 Wh
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