Modular scalability enables adding up to four expansion batteries per Yeti Pro for flexible system growth
Advanced LiFePO4 technology delivers up to 8x longer lifespan than previous models for reliable long-term use
Seamless integration with Yeti Pro 4000 for unified charging and discharging, simplifying setup and maintenance
High capacity supports powering up to 10 essential circuits for extended home backup
Easy integration with solar, car, or AC power for versatile charging options
Summarized by Shop
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Build out your backup system with powerful expansion batteries. You can combine as many as 4 Tank PRO 4000 batteries per Yeti PRO. This creates a robust backup system that can run essentials in your home for days on end. And because the system is modular, you can get the expansion batteries you need now and easily add on more in the
Battery Chemistry
Lithium iron phosphate (LiFePO4)
Battery Capacity
3994 Wh (51.2 V, 78 Ah)
Cycle Life
Up to 4000 cycles at 25°C, 80% depth of discharge at 0.5C
