16340 Batteries | Compact Lithium-Ion Power Solutions

A 16340 battery is a rechargeable lithium-ion (Li-ion) cell that shares similar dimensions to a CR123A battery but operates at a higher voltage. Measuring 16mm in diameter and 34mm in length, these compact, high-energy batteries are widely used in flashlights, cameras, medical devices, and other portable electronics that require reliable and rechargeable power.

Key Features & Specifications

• Voltage: Typically 3.6V or 3.7V nominal, with a full charge voltage of 4.2V and a cutoff around 2.5V – 3.0V.
• Capacity: Usually ranges from 600mAh to 1200mAh, depending on the chemistry and brand.
• Battery Chemistry Options:
  • Lithium Cobalt Oxide (LiCoO₂ - LCO): High energy storage for long-lasting runtime.
  • Lithium Manganese Oxide (LiMn₂O₄ - LMO): Enhanced thermal stability and safer operation.
  • Lithium Iron Phosphate (LiFePO₄ - LFP): Superior cycle life and safety, but operates at 3.2V nominal instead of 3.7V.

Protected vs. Unprotected 16340 Batteries

• Protected 16340 Batteries: Feature a built-in protection circuit to prevent overcharging, over-discharging, and short circuits. These are slightly longer than standard cells.
• Unprotected 16340 Batteries: Used in devices that already have built-in battery protection or require direct power output.

Common Applications for 16340 Batteries

16340 batteries are commonly used in:
✔ Flashlights & LED Devices: A rechargeable replacement for CR123A batteries in high-output flashlights.
✔ Cameras & Security Systems: Powers wireless security cameras, motion detectors, and night vision scopes.
✔ Medical & Industrial Equipment: Found in portable diagnostic devices, laser sights, and specialty sensors.
✔ Tactical & Military Gear: Used in infrared (IR) lasers, weapon-mounted flashlights, and optics.

Choosing the Right 16340 Battery

📌 Voltage Compatibility: Ensure your device supports 3.6V or 3.7V instead of a standard 3.0V CR123A battery.
📌 Protected vs. Unprotected: If your device lacks built-in safety mechanisms, opt for a protected cell.
📌 Button Top vs. Flat Top: Some devices require a button top, while others use flat top cells.

At 18650Battery.com, we offer a curated selection of high-quality 16340 lithium-ion batteries from trusted brands, ensuring reliable performance and safety. Shop today for the best power solutions!