18650 battery Cell
Manufacturers offer customized 18650 battery Cell

The Basics Of 18650 Cell

18650 battery Cell is a lithium-ion rechargeable battery with a diameter of 18 mm and a length of 65 mm, with “0” denoting a round shape, and is commonly used in flashlights, e-cigarettes, power tools, laptops, and other devices. Typically, the voltage of 18650 cells for NMC is 3.6V. 18650 NMC cells are widely used in battery packs for their wide capacity range, energy density, and long life. There is a need to ensure the safe use and handling of 18650 cells.

NMC 18650 Battery Cell Custom

How can 18650 batteries change lives?

It is phenomenal how inconvenient life would be without batteries? Devices such as computers, cell phones, flashlights, etc. lose their power source. 18650 batteries offer a lithium option for everyday use devices because of their high capacity, light weight, and long life!

Keheng is a 18650 battery manufacturer

With over 16 years of experience in the lithium battery industry, we manufacture the same quality 18650 batteries as Samsung, LG, CATL, Panasonic, and other suppliers.

For the latest battery specifications, contact us today.

Keheng is a 18650 battery manufacturer
18650 batteries are used in various industries
18650 batteries are used in various industries
  • Electronic products: cell phones, laptops, tablet PCs, digital cameras, e-books, Bluetooth headsets, etc.
  • Power tools: electric screwdrivers, electric wrenches, electric drills, electric sanders, electric lawnmowers, etc.
  • Electric bicycles: electric bicycles, electric scooters, electric balance bikes, etc.
  • Energy storage system: solar energy storage system, wind energy storage system, grid energy storage system, etc.
  • Automotive: electric vehicles, hybrid vehicles, plug-in hybrid vehicles, etc.
Customized 18650 battery pack solutions.
  • Volt Design: keheng provides customers with different voltage 18650 battery pack designs to meet your needs.
  • Ah Design: Capacity determines the usage time of the device, customize different capacities according to different devices.
  • Box Design: The battery box can protect the battery and keep the battery in a safe environment.
  • Size Design: We provide different group sizes 14650, 18650, 21700, 26650, etc.
Customized 18650 battery pack solutions.
18650 battery material?

18650 lithium-ion battery positive electrode structure: active substance + conductive agent + binder + collector (aluminum foil)
18650 lithium ion battery anode structure: active substance + conductive agent + thickener + binder + collector (copper foil)

How to distinguish 18650 battery is lithium ternary or lithium iron phosphate?

18650 is just a battery packaging standard, which means that the diameter is 18 mm, the height is 65 mm, 0 is cylindrical. And with this standard package battery can be lithium ternary, lithium cobaltate, lithium manganese, lithium iron phosphate hibernate. It can be lithium ternary or lithium iron phosphate, just different capacity and voltage.

18650 battery cell capacity difference?

18650 lithium batteries have a nominal voltage of 3.7V, 18650 battery mainstream capacity of 1800mAh ~ 3500mAh, a small number of 4000mAh or more.

What is the general discharge voltage of 18650 battery?

The nominal voltage of LiFePO4 is 3.7V, the charging voltage is 4.2V, and the minimum voltage is 2.5V, the above parameters are not fixed, there will be some up and down.

Lithium polymer battery and 18650 lithium battery comparison, which is more durable?

Battery price: lithium polymer is more expensive than lithium battery in the same capacity.
Battery structure: the structure of polymer batteries is more complex, while considering the safety of normal electrical performance in addition to the appearance of the package, the packaging process of the positive ear is easy to break and other factors.

Which has a longer lifespan, 18650 lithium batteries or lithium polymer batteries?

18650 batteries usually have a longer service life.

Which is safer, 18650 lithium battery or lithium polymer battery?

18650 batteries are round batteries, which are safer compared to Li-polymer batteries, and will not be so easy to scratch, dent, etc.

Is it better to have a higher or lower discharge rate for 18650 lithium batteries?

The discharge rate is not the bigger the better twenty depends on the equipment you use, in the field of power tool batteries, drones, etc. need to use a high discharge rate. Usually, it is based on the actual size of the equipment to determine the discharge rate of lithium batteries.

What are the main uses of 18650 lithium batteries?
  • In consumer digital technology: electronic equipment, mechanical equipment, medical machinery, and other large and small lithium industries have been widely used.
  • Intelligent machine: flat panels, notebooks, electric toy cars, MP3/MP4, cell phone headsets, mobile chargers, model airplanes, cell phones, etc. have shown strong prospects for development.
  • Service robots: AGV trucks, unmanned aircraft, new energy vehicles, and other power lithium battery industries have been widely used.
How many times can 18650 or other batteries be charged?

Generally speaking, 18650 lithium batteries last between a few hundred and a thousand charge/discharge cycles, depending on use and charging/discharging conditions. A charge/discharge cycle refers to a complete cycle of charging a battery from fully charged to empty and then fully charged again. The life of a lithium battery can also be evaluated by capacity decay. Generally speaking, when the capacity of a battery decays to about 80% of its initial capacity, people usually consider that the battery has reached the end of its life.

To extend the life of 18650 lithium batteries, the following measures can be taken:

  • Avoid excessive charging and discharging: do not charge the battery to too high a voltage or discharge it to too low a voltage.
  • Control charging current: Use the proper charger and suitable charging current, avoid excessive charging current.
  • Control use temperature: Avoid exposing the battery to extreme high or low temperatures, try to use the battery within the recommended temperature range.
  • Storage Precautions: When not in use for a long period, store the battery at the proper temperature and state of charge, avoid long-term storage at high temperatures or low charge states.
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