LiFePO4 became the default chemistry for portable power stations between 2022 and 2024. Today, basically every new launch from Bluetti, EcoFlow and Jackery uses LFP — the only Li-ion holdouts are clearance-priced previous-generation units. The cycle-life difference is substantial: an LFP station rated 3000 cycles at 80% DoD survives 8-10 years of daily-cycle use, while a 500-cycle Li-ion unit hits the same threshold in 14-18 months.
Beyond cycle life, LFP wins on three other axes. (1) Thermal stability: LFP doesn't go thermal-runaway under load or puncture. NMC can. (2) Cold-weather performance: LFP discharges down to ~-20°C without significant capacity loss; NMC sees 30-40% capacity drop at 0°C. (3) Calendar aging: an LFP cell at 50% state-of-charge stored at room temperature loses ~2-3% capacity per year, versus 5-8% on NMC. For a station you use occasionally, this is the difference between still-fresh-in-year-five and noticeably-degraded.
The trade-off is weight: LFP cells have 30-40% lower energy density by weight than NMC, so a 1000 Wh LFP station weighs 11-14 kg versus 8-10 kg for the equivalent NMC. For carry-it-up-stairs use cases (camping, RV), this matters. For drop-it-in-a-corner home backup, it doesn't. The compare table below ranks by capacity descending — useful if you're shopping by Wh budget — but the kits-compare full table sorts by $/Wh value.
No models match this use case yet — the catalog is still growing.