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Guide to Lithium Battery Types: 18650, LiFePO4, NCM, and More 29/ 2025.Sep.

Lithium batteries power countless modern devices, from smartphones and laptops to electric vehicles (EVs) und solar energy storage systems. However, different types of lithium batteries vary greatly in performance, safety, size, and cost.

This guide introduces the most common lithium battery chemistries, their features, and best use cases.

1️⃣ Main Lithium Battery Classifications

Lithium batteries can be categorized by:

  1. Form Factor (Shape & Size) – Cylindrical (e.g., 18650, 21700, 4680), prismatic, or pouch cells.

  2. Cathode Material – Determines energy density, lifespan, and safety.

  3. Electrolyte Type – Liquid, solid-state, or polymer.

Example: A smartphone typically uses a pouch-type lithium cobalt oxide (LCO) battery, while EVs often use NCM or LFP batteries.

2️⃣ Common Lithium Battery Types

1. Lithium Cobalt Oxide (LCO)

  • Use: Smartphones, laptops, tablets

  • Pros: High energy density, stable voltage

  • Cons: Expensive, lower safety


2. Nickel Cobalt Manganese (NCM / NMC)

  • Use: Electric vehicles, tools, electronics

  • Pros: Balanced performance between energy, safety, and lifespan

  • Cons: Higher production complexity and cost


3. Lithium Iron Phosphate (LFP)

  • Use: EVs, solar storage, outdoor power supplies

  • Pros: Excellent safety, long cycle life (2000+ cycles), stable at high temperatures

  • Cons: Lower energy density, poor performance in cold weather


4. Lithium Manganese Oxide (LMO)

  • Use: Power tools, budget EVs, power banks

  • Pros: Low cost, good safety

  • Cons: Shorter lifespan (typically <1000 cycles)

3️⃣ Quick Comparison

TypeApplicationsEnergy DensitySicherheitZyklus LebenCost
LCOSmartphones, laptopsHighLowMediumHigh
NCMEVs, tools, electronicsMedium–HighMediumHighMedium
LFPEVs, solar storageMediumVery HighVery HighLow
LMOTools, budget EVsLowHighLowLow

4️⃣ Choosing the Right Battery

  • Energy density – Important for portable devices and EVs.

  • Sicherheit – Critical for medical devices, EVs, and storage systems.

  • Cost – Key for mass-market electronics and large-scale storage.

  • Certifications – Look for UN38.3, IEC 62133, and UL 1642 compliance for global shipping and safety.

Lead Acid Replacement Batteries Key features

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Choosing the right battery ensures performance, safety, and cost-effectiveness.

Bluesun provides custom lithium battery solutions for electric vehicles, solar energy storage, and industrial applications.
Our expert team can help you design and source the ideal battery for your needs.

Contact Bluesun today to discuss your project and find the perfect solution.

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