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What Is EVE 3.65V 50.5Ah NMC Pouch Cell?
The EVE 3.65V 50.5Ah NMC pouch cell is a lithium nickel manganese cobalt oxide (LiNiMnCoO₂) battery designed for high-energy-density applications. Operating at a nominal 3.65V with 50.5Ah capacity, it uses a flexible aluminum-laminated pouch design to optimize space efficiency. Typical applications include energy storage systems (ESS), electric vehicles (EVs), and industrial equipment requiring lightweight, high-cycle-life power sources. These cells support 1,500+ charge cycles at 80% depth of discharge (DoD) and feature built-in safety mechanisms like pressure relief vents to mitigate thermal runaway risks.
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How does the voltage affect performance?
The 3.65V nominal voltage balances energy density (≈240Wh/kg) and thermal stability. Higher voltage reduces current draw at equivalent power outputs compared to standard 3.2V LiFePO4 cells. Pro Tip: Pair cells with active balancing BMS to prevent voltage drift during fast charging (>2C).
In EVs, the 3.65V baseline allows 400V+ packs with fewer cells (109 vs. 125 LiFePO4 cells per 400V system), reducing interconnect complexity. For example, a 100S1P configuration achieves 365V nominal—ideal for mid-range commercial EVs. However, thermal management becomes critical above 45°C ambient due to NMC’s lower thermal runway threshold (≈210°C) versus LiFePO4 (≈270°C).
What defines the 50.5Ah capacity?
The 50.5Ah rating indicates discharge capacity at 0.2C (10.1A) down to 2.5V cutoff. Under real-world 1C loads (50.5A), effective capacity drops to ≈48Ah. Cycle life degrades sharply if regularly discharged below 3.0V. Pro Tip: Maintain 20%-80% SoC for daily use to triple calendar lifespan.
| Discharge Rate | Capacity Retention | Cycle Life |
|---|---|---|
| 0.2C | 100% | 1,500 |
| 1C | 95% | 1,200 |
| 2C | 89% | 900 |
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FAQs
What charging voltage is safe?
4.2V ±50mV per cell, terminated when current drops to 0.05C. Exceeding 4.25V accelerates electrolyte decomposition, risking gas generation.
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What is the EVE 3.65V 50.5Ah NMC pouch battery?
The EVE 3.65V 50.5Ah NMC pouch cell is a high-performance lithium-ion battery with a flexible polymer casing. It uses NMC (Nickel Manganese Cobalt) chemistry, providing a high energy density of 182Wh. This battery is ideal for applications such as electric vehicles, energy storage, and forklifts.
What are the advantages of the EVE 3.65V 50.5Ah NMC pouch cell?
This battery offers several advantages, including high energy density for compact storage, high discharge rates, excellent low-temperature performance, and enhanced safety features such as safety vents and ceramic-coated separators. Its flexible pouch design allows efficient customization in battery packs.
What are the key specifications of the EVE 3.65V 50.5Ah NMC pouch cell?
The EVE 3.65V 50.5Ah NMC pouch battery weighs about 740g and has a cycle life of approximately 3000 cycles at 0.33C. Its dimensions are 301.5mm x 99.7mm x 11.6mm, making it suitable for various energy storage applications, including electric vehicles and industrial equipment.
What applications are suitable for the EVE 3.65V 50.5Ah NMC pouch battery?
The EVE 3.65V 50.5Ah NMC pouch battery is perfect for electric vehicles (EVs), electric bicycles and scooters, energy storage systems, and electric forklifts. Its high energy density and reliable performance make it an ideal choice for power-intensive applications.
How does the EVE 3.65V 50.5Ah NMC pouch battery improve safety and customization?
The EVE battery features integrated safety vents and ceramic-coated separators for enhanced protection. Additionally, its flexible pouch design allows for efficient stacking and customization in battery packs, making it adaptable to various energy storage systems, including those used in mobile and off-grid applications.