Description
The Sony/Murata VTC6 is a high-performance 18650 lithium-ion battery widely recognized for its excellent balance of capacity and high-current discharge capability.
Technical Specifications
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Model: US18650VTC6
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Nominal Capacity: 3000mAh
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Maximum Continuous Discharge Current (CDR): 20A (Note: While often marketed as “30A,” the true continuous rating is 20A. It can handle 30A only with strict temperature monitoring/cut-off).
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Nominal Voltage: 3.6V
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Charging Voltage: 4.2V
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Chemistry: NMC (Nickel Manganese Cobalt)
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Size: 18650 (18mm diameter, 65mm length)
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Type: Flat Top (standard for most packs and high-drain devices)
Key Features
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High Energy Density: 3000mAh capacity provides excellent runtime for its size.
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Reliability: Manufactured by Murata (formerly Sony Energy), known for rigorous quality control and high safety standards in the industry.
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High Drain: Capable of handling high-demand loads, making it a favorite for power tools, high-performance flashlights, and hobbyist electronics.
Important Safety & Usage Guidelines
Crucial Warning: Lithium-ion batteries, especially high-drain models like the VTC6, are sensitive to misuse. Improper handling can result in fire, explosion, or severe injury.
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Avoid Over-Discharge: Never allow the voltage to drop below 2.5V. If it drops too low, the battery may become unstable and unsafe to recharge.
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Charging: Use only a high-quality smart charger specifically designed for 18650 lithium-ion batteries. Do not use generic, non-regulated charging circuits.
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Temperature: Do not expose the battery to temperatures above 60°C. High heat will degrade the chemistry and increase the risk of venting.
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Physical Protection: If the outer PVC wrapper (shrink wrap) becomes torn or damaged, do not use the battery. Re-wrap it immediately using an 18650-specific PVC sleeve to prevent short-circuiting.
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Storage: Store in a cool, dry place. For long-term storage (more than a few weeks), keep the battery at approximately 40%–60% charge.
Verification and Authenticity
Because the VTC6 is a premium battery, there are many counterfeit versions on the market.
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Weight: An authentic VTC6 should weigh approximately 45g to 47g.
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Appearance: Look for clear, sharp printing on the cell wrapper and a distinctive top cap design.
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Source: Always purchase from reputable electronics component suppliers to ensure you are receiving genuine Murata/Sony cells rather than re-wrapped or lower-grade alternatives.

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