Premium grade 18650 protected lithium ion battery made using Samsung ICR cell.
Protected 18650 Li-ion Rechargeable Battery P1826K
 Min Capacity: 2500mAh
 Typical Capacity: 2600mAh
 Nominal Voltage: 3.7V
 Quality Li-ion rechargeable cell made in Korea
 In Built Safety Circuitry
 Protection Circuit (Against over charge, over discharge, over current and short circuit
 4.2 volts max voltage and 3.7 volts nominal voltage
 Over 500 charge-discharge cycles
Brand may vary due to supply issues