26700 LFP Battery Cell

What is a 26650/ 26700 battery?

The 26650 battery, or 1/3 AAA battery, is a rechargeable lithium-ion battery. The 26650 battery can generate high voltages while being safe and efficient, making it the ideal battery for high-power LED flashlights. Available in protected and unprotected versions, the 26650 battery is the perfect companion for high-drain devices and is manufactured by some of the most trusted lithium-ion battery companies.

Technical specifications

• Chemistry: 26650 batteries also come in a variety of lithium-ion chemistries, including:
  • lithium cobalt oxide (LiCoO₂ – LCO)
  • lithium manganese oxide (LiMn₂O₄ – LMO)
  • lithium nickel manganese cobalt oxide (LiNiMnCoO₂ – NMC)
  • lithium iron phosphate (LiFePO₄ – LFP)
• Voltage: The nominal voltage is usually 3.2V, the cut-off voltage is 2V, and the floating charge voltage is 3.7V.
• Capacity: Capacities range from 4000mAh to 6000mAh.

Common applications

21700 batteries are widely used in: industrial-grade electric drills, angle grinders, chainsaws, lawn mowers, home energy storage, outdoor mobile power supplies, backup power supplies for communication base stations, power supplies for portable X-ray machines, and backup batteries for defibrillators.