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goal zero Goal Zero Yeti Tank Pro 4000 Expansion
Slave-pack for Yeti Pro 4000. 4 kWh add. Premium price; only justified inside Goal Zero ecosystem with existing Yeti Pro 4000.
Specifications
- capacity ah
- 83
- nominal voltage
- 48
- chemistry
- lifepo4
- cycle life
- 3500
- bms amps continuous
- 70
- comm protocol
- proprietary
- weight lb
- 110
Sources
- Manufacturer spec sheets (public PDFs and product pages) · ingest 2026-05-06
- Solar enthusiast community references (DIY Solar Forum public threads, Will Prowse YouTube spec summaries, Mobile Solar Power public guides) · ingest 2026-05-06