18650 Battery

The 18650 battery is a lithium-ion rechargeable battery. This battery is the available standard of 18mm around 65mm long. Aside from that the 4 digits of the designation 18650 indicate its physical dimension. Then the 5 digits indicate its cylinder cell.

  • 18650 Battery

This type of battery has a voltage of 3.7V. It also has between 1800mAh and 3500mAh. You can choose these batteries in two types: protected and unprotected. But we recommend a protective cell due to it has the protection that automatically stops the cell from overcharging.

Thinpack is a leading manufacturer of 18650 batteries. We offer high-grade cells with matching voltage that is resistant to any elements and have guaranteed capacity.

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By Capacity

200MAH 18650 BATTERY
200MAH 18650 BATTERY
1800MAH 18650 BATTERY
2200MAH 18650 BATTERY
2200MAH 18650 BATTERY
2400MAH 18650 BATTERY
2400MAH 18650 BATTERY
2500MAH 18650 BATTERY
2500MAH 18650 BATTERY
3000MAH 18650 BATTERY
3000MAH 18650 BATTERY
6 Products Found.

Extensive Range of Applications

Our 18650 Battery are widely used in different electrical equipment including:

  • LED lights
  • Lantern
  • Flashlights and headlamps
  • Dive lights
  • Green lasers
  • Fan
  • Headlight
  • Laser pointers
  • Torch
  • Gun lasers
  • Vape
  • Weapon lights
  • Mechanical box mod
  • and many more.


AA Vs. 18650 Batteries

Below are the difference between AA and batteries:

Below are the difference between AA and batteries:

  • The AA battery has a nominal voltage of around 1.5V then the 18650 batteries have a nominal voltage of 3.7V.
  • Capacity and current. The capacity and current of standard AA alkaline or NiMH battery have a capacity of 2000 to 3000 MAH. Then the 18650 batteries is up to 3500mAh.
  • AA batteries have a standard size of around 14.5mm in diameter and circa 50.5mm in length. While the 18650 batteries are available in 18mm round and 65mm length.
  • Energy and Density. The total energy density of AA batteries is 2.25WH while the 18650 has 9.36Wh.

Advantages of 18650 Batteries

Thinpack 18650 batteries offer excellent advantages like

  • Portable type of batteries
  • Has high safety performance
  • Cannot explode and burn
  • Non-toxic and non-polluting
  • Good high-temperature performance
  • Has large capacity
  • Provide longer service life
  • No memory effect
  • Small internal resistance and more.


18650 Batteries Specifications

Voltage: 3.7V
Charging environment temperature range  32° to 113° F
temperature range:  -4° to 140° F
Battery top: Flat top
Material Lithium Li-ion ICR
Charging Cut-off Voltage: 4.2V
Discharge Cut-off Voltage: 3.0V


18650 Battery Chemistry

There are different chemical combinations of 1865 batteries. Here are some of them:

  • LiFePO4
  • LiNiMnCoO2
  • LiMn2O4
  • LiNiCoAlO2
  • LiCoO2
  • LiNiCoO2


How does a 18650 battery last?

These kinds of batteries have a typical cycle of more than 500 charges and a discharge life

cycle. But it can offer much longer service depending on your maintenance.

How many times do to recharge these 18650 batteries?

These batteries can be recharged many times depending on your needs. It can be recharged from 300 up to 2000 times.

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