Lithium iron phosphate start-stop batteries VS. traditional AGM/EFB batteries
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Lithium iron phosphate (LFP) : After 2000 cycles, its capacity retention rate still reaches 90%, making it suitable for high-intensity use with dozens of starts and stops per day.
AGM/EFB: The cycle life is only 300 to 500 times. Frequent starts and stops can easily lead to sulfation of the plates, shortening their lifespan.
LFP: After being stored at 65°C for 7 days, its capacity retention rate is 91.34%, and it is not prone to expansion or leakage in high-temperature environments.
AGM/EFB: High temperatures can accelerate the evaporation of the electrolyte, posing a risk of thermal runaway, and the lifespan will decline more rapidly under long-term high temperatures.
LFP: Can still start at -30°C, pulse discharge voltage is stable at -20°C (e.g. 80C@3S down to 2.0V).
AGM/EFB: Capacity drops by 50% at -10°C and may fail to start at extremely low temperatures.
LFP: Energy density ≥120Wh/kg, a 4Ah battery weighs only 0.9kg.
AGM/EFB: With an energy density of only 30-50Wh/kg, the battery of the same capacity weighs 3-4kg, increasing the vehicle load.
LFP: It has high thermal stability and is less likely to catch fire or explode during needle-puncture and overcharge tests.
AGM/EFB: The electrolyte is sulfuric acid. Collision or leakage may corrode the vehicle body, and there is a risk of explosion at high temperatures.
LFP: It contains no heavy metals such as lead and cadmium, and causes extremely low pollution during production and recycling.
AGM/EFB: Lead pollution is severe, the cost of recycling and treatment is high, and it is harmful to the environment.
LFP: Lifetime maintenance-free, no need for regular liquid replenishment, and the overall usage cost is reduced by more than 50%.
AGM/EFB: The electrolyte level needs to be checked regularly. Maintenance is cumbersome and replacement is frequent.
Conclusion
Lithium iron phosphate start-stop batteries, with their high safety, long lifespan, wide temperature range adaptability and environmental advantages, comprehensively outperform traditional AGM/EFB batteries. They are particularly suitable for scenarios with frequent start-stop, extreme climates and lightweight requirements. With technological advancement and cost reduction, lithium batteries will become the mainstream choice for start-stop systems.
START-STOP LITHIUM battery
Enov start-stop battery is designed to provide excellent performance for high-demand start-stop vaehicles. It adopts the third-generation intelligent lithium platform architecture to achieve technological breakthroughs in core indicators such as cycle life, environmental adaptability and energy density. Compared with the traditional lead-acid battery system, the energy efficiency is increased by 210%, the cycle life is extended by 8-10 times, and the monthly self-discharge rate is controlled within 3%. Enov's unique low-temperature battery technology makes a breakthrough in achieving stable output in the whole climate domain from -30℃ to 65℃, maintaining more than 90% of the effective capacity release under extremely cold conditions (-30℃), and maintaining 90% of the capacity in high temperature environments (65℃).
The start-stop battery series products cover the mainstream voltage platform of 12V/24V/48V, and support flexible configuration of LFP (lithium iron phosphate) and NCM (lithium nickel cobalt manganese oxide) dual-material system. All models adopt modular design to support customization of different model specifications. Enuo engineering and technical team to provide full cycle technical service support, if you need, please contact us.
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