3.7 Volt Panasonic 18650 Lithium Ion Button Top Battery (3400 mAh) with PCB Protection



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Lithium Ion
3.7 Volt
Button Top
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Product Specifications


  • Nominal Voltage: 3.7 Volt
  • Size: 18650 (Cylindrical)
  • Capacity: 3400 mAh
  • Chemistry: Lithium Ion (Rechargeable Li-Ion)
  • Brand: Panasonic
  • Manufactured in: Japan
  • Max Charging current: 1.625 Amp
  • Max Discharging current: 3A
  • Includes: One Internal 3.7V PCB (3.0A limit)
  • Terminal: Button Top
  • Length: 69 mm (2.7")
  • Diameter: 18.3 mm (0.72")
  • Weight: 40g (1.6 Oz)


  • No memory effect
  • Long storage life
  • Light weight and high energy density

⚠️  Warning

  • Internal 3.7V PCB (3.0A limit)- Protects against overcharging, Over discharging and Short Circuits.
  • Li-Ion Batteries may explode if you do not charge or discharge them properly.
  • Users must have knowledge on how to charge and discharge Li-Ion batteries before making Li-Ion Battery Packs.
  • We are not responsible for any damage that is caused by the misuse of Li-Ion Batteries.

3.7 Volt Panasonic 18650 Lithium Ion Button Top Battery (3400 mAh) with PCB Protection

Panasonic 18650 3.7 Volt Lithium Ion Button Top Battery: Reliable and High-Capacity Power Solution


The Panasonic 18650 3.7 Volt Lithium Ion Button Top Battery is a top-tier power source designed to deliver reliable and high-capacity performance for a wide range of devices. With its impressive capacity, rechargeable Li-Ion chemistry, and built-in PCB protection, this battery offers a dependable power solution with added safety features.


Powerful and High Capacity: The Panasonic 18650 battery boasts a substantial capacity of 3400 mAh, providing ample power to support extended usage of your devices. Whether you're using it in flashlights, laptops, or other high-drain devices, this battery delivers a consistent and reliable power supply, allowing you to enjoy your devices for longer periods.


Rechargeable Lithium Ion Chemistry: Utilizing rechargeable Li-Ion chemistry, the Panasonic 18650 battery offers outstanding energy density and voltage stability. Li-Ion batteries are known for their reliable performance, high energy density, and long cycle life. They can be recharged multiple times without experiencing memory effect, ensuring consistent capacity and performance over time.


Built-in PCB Protection: The Panasonic 18650 battery includes a built-in PCB (Protection Circuit Board) that ensures enhanced safety during charging and discharging. The PCB provides protection against overcharging, over-discharging, short circuits, and excessive current flow. This added layer of protection helps safeguard both the battery and the device it powers, offering peace of mind during use.


Convenient Specifications: The battery features a nominal voltage of 3.7 volts, providing a stable power supply for your devices. With a button top terminal, the battery is compatible with devices that require this specific terminal design. The button top allows for secure and reliable connectivity, ensuring optimal performance.


Max Charging and Discharging Currents: The battery supports a maximum charging current of 1.625 Amps and a maximum discharging current of 3 Amps. These specifications enable efficient charging and high-current discharges when needed. The battery is designed to handle demanding applications that require a significant power output.


Manufactured in Japan: Panasonic, a renowned brand known for its commitment to quality and reliability, manufactures the Panasonic 18650 battery in Japan. The manufacturing process adheres to strict quality control standards, ensuring a high-quality product with excellent performance and durability.


Compact and Lightweight Design: Despite its high capacity, the Panasonic 18650 battery maintains a compact size and lightweight design. With a length of 69 mm (2.7") and a diameter of 18.3 mm (0.72"), it can easily fit into various devices or battery holders. The lightweight construction, weighing only 40g (1.6 oz), minimizes the overall weight impact on your devices.


The Panasonic 18650 3.7 Volt Lithium Ion Button Top Battery is a reliable and high-capacity power solution for a variety of devices. With its impressive capacity, rechargeable Li-Ion chemistry, built-in PCB protection, and Panasonic's commitment to quality, this battery provides long-lasting power and dependable performance. Trust in the reliability and safety of the Panasonic brand. Choose the Panasonic 18650 battery and experience the convenience of a powerful and efficient power source for your devices.