2x 18650 USB Batteries, USB Cord, Charging Base

Streamlight RechargeableCharging Kit2x SL-BL26 USB BatteriesUSB CordCharging BaseBlackFeatures:SL-B26 protected Li-Ion rechargeable battery pack with built in micro-USB charge portCharges in 5 hoursIntegrated safety circuit protects battery pack from overcharge/overdischarge