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FOSSiBOT FB3840 Expansion Battery - 3840Wh LFP (For FOSSiBOT F3600 Pro)
Total 5-Year Warranty: 5 years warranty, 10+ year lifespan with EV-grade batteries. Features with a 100W USB-C and a 18W USB-A ports,you can use the FB3840 as a portable power station....
FOSSiBOT FB5222 Expansion Battery - 5222.4Wh LFP (For FOSSiBOT F7200)
5-Year Warranty for Peace of Mind: Instead of the average industry warranty length of 2 years, purchase FOSSiBOT F7200 Portable Power Station Expansion Battery worry-free with a 5-year full-device warranty....