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Safety

Battery Certifications: A Comprehensive Guide to Lithium-Ion Battery Pack Certificates

At CM Batteries, we believe safety isn’t just a feature—it’s the foundational principle of every custom battery pack we engineer. As a trusted manufacturer, we build compliance directly into our…

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Knowledge Center

Lithium-Ion Battery Self-Discharge Rate: Causes & Testing

Twenty years in this Lithium battery pack industry, and I still get asked about the lithium-ion battery self-discharge rate more often than I get asked about it correctly. “What’s your…

Sodium-ion Battery and LiFePO4 Battery(1)
Engineering At CMB Knowledge Center

Sodium-ion Battery vs LiFePO4: A Technical Comparison for Extreme-Cold Industrial Applications

Choosing between a sodium-ion battery and LiFePO4 comes down to one question: how cold does your equipment actually get? This sodium-ion battery vs LiFePO4 comparison uses real bench data, not…

AAA Battery Guide
Knowledge Center

AAA Battery Guide: Chemistry, Capacity, Equivalents & How to Choose the Right One

Key Takeaways An AAA battery is a standardized cylindrical cell measuring 10.5 mm × 44.5 mm under IEC 60086-1 (alkaline designation: LR03) and ANSI C18.1.Like AA, “AAA” describes size only, and the…

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AA Battery Guide
Knowledge Center

AA Battery Guide: Chemistry, Capacity, Charging & How to Choose

Key Takeaways An AA battery is a standardized cylindrical cell measuring 14.5 mm × 50.5 mm under IEC 60086-1 (alkaline designation: LR6) and ANSI C18.1. The size is fixed, but the…

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AA vs AAA Batteries.
Engineering At CMB Knowledge Center

AA vs AAA Batteries: Differences in Size, Voltage, Capacity & Usage

Key Takeaways AA and AAA batteries are both standard 1.5V cylindrical cells, but they are not interchangeable. AA batteries measure 14.5 mm × 50.5 mm, hold roughly 1,800–3,000 mAh (alkaline),…

Humanoid robots applied in industrial workshops
Knowledge Center

A Panoramic View of Global Humanoid Robot Battery Suppliers

The global humanoid robot battery supplier landscape includes 50+ companies across three tiers — international leaders, domestic Chinese leaders, and domestic specialized experts. The key selection dimensions are energy density (260–500 Wh/kg),…

Electric Car Battery
Knowledge Center

Electric Car Battery Types Explained: Chemistry, Shape, and How to Choose

There are primarily use two chemistry for electric car battery types: LFP (lithium iron phosphate batteries) and NCM/NCA (ternary lithium ion batteries). LFP wins on safety, cycle life (3,000–5,000 cycles), and cost (~$80–90/kWh)….

The Evolution of Humanoid Robot Batteries
Knowledge Center

The Complete Guide to Humanoid Robot Battery Selection

Humanoid robots are rapidly moving beyond laboratory demonstrations and into real-world applications, including manufacturing facilities, outdoor inspection operations, home assistance services, and specialized industrial tasks. To replicate human-like movements such…

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Anode VS Cathode
Engineering At CMB Knowledge Center

Anode VS Cathode: What’s the Difference?

Anode and cathode are two critical components in a lithium-ion battery. The cathode is the electrode where reduction reactions occur, gaining electrons. Conversely, the anode is where oxidation reactions take place,…

Potting and Encapsulation for Lithium Battery Pack
Engineering At CMB

Potting and Encapsulation for Lithium Battery Pack

In custom battery pack design, potting and encapsulation are essential processes used to protect cells and internal electronic components from moisture, vibration, electrical insulation. These processes are applied to battery…

Stacked vs Winding Battery Technology
Engineering At CMB

Stacked vs Winding Battery Technology: Why High-Rate Devices Prefer Stacking?

As high-power applications such as drones, robotics, fast-charging systems, and industrial equipment demand higher discharge rates and thermal stability, traditional winding battery structures are facing performance limitations. Engineers often struggle…