What is 18650 lithium battery?

Samsung 25R 20A High Drain, Flat Top 18650 One of the most well-known batteries on the 18650 market, the Samsung INR18650-25R has earned its reputation for a good reason. For a reliable and high-quality 18650 battery, you can't go wrong with Samsung. The 25R hits that sweet spot with a 2,500mAh energy capacity and a 20A continuous high-discharge rating, making it an ideal choice for OEM battery packs in high-drain devices.

Samsung 25r 18650 20A Flat Top 2500mAh Battery - Genuine

4000mah Rechargeable Lithium Battery , 18650 2P 3.7V Li Ion Battery Pack

Streamlight-18650-Lithium-Ion-Battery

These batteries are perfect for solar science fair projects involving solar cells and panels. Also great for building an off-grid solar power system for camping, RVs, household appliances, doorbell cameras, etc. Multiples can be hooked together in series to get higher voltage or in parallel to achieve higher capacity. Use it in any device that requires a standard 18650 Lithium battery cell.

4-Pack of ICR 18650 Blue Lithium-Ion Rechargeable Batteries - 3.7V 2600mAh

3C Max 3.6v 2500mah 18650 Lithium Ion Battery Lithium Cylindrical Cells

Boston Sonata 5300 Custom 18650 Battery Packs Lithium-ion – JAG35

18650 Lithium-ion Batteries are expertly for Flashlights, MP3, walkie-talkies, cell phones, as long as the voltage of 3.5-5 V appliances.

18650 Lithium-ion Battery

Samsung ICR18650-26 18650 Lithium-Ion Cells, 2600mAh – Higher Wire Inc.

Lithium Ion Battery - 18650 Cell (2600mAh) - PRT-12895 - SparkFun Electronics

2600mAh 30A 18650 Rechargeable Lithium Battery – MaxAmps Lithium Batteries

3.6v Rechargeable Li-ion 26650 4200mAh Battery – Battery World

Panasonic-Japan NCR18650B 18650 (Genuine) battery Li-ion 3.7V 3400mAh | Free battery holder included | Fast Shipping | Orbtronic.

NCR18650B 18650 Battery Panasonic-Japan 3400mAh Li-ion 3.7V Flat Top Rechargeable -Battery Case Included

Protected 3500mAh 10A 18650 Button Top Battery (Panasonic/Sanyo NCR186 – Liion Wholesale Batteries