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