18650 Lithium Cell

These high-quality, rechargeable, 18650 lithium cells are used in all sorts of places from portable electronic devices like flashlights to DIY powerwalls!

Note that these cells don't have the same protection circuitry as our other lithium batteries (under-voltage, over-voltage, or over-current), so please make sure you know what you're doing with them!


  • Output voltage: 3.6V
  • Capacity: 2600mAh (at 0.2C)
  • Charging voltage: 4.2V (at 0.5C / 1300mA)
  • Standard discharge current: 0.5C (max: 1C)
  • Internal resistance: ≤70mΩ (AC impedance, 1000Hz)
  • Dimensions: 65.1mm tall, 18.4mm diameter
  • Weight: approx. 48g
  • Datasheet