NITECORE 3500MAH MICRO UBS RECHARGEABLE 18650 BATTERY, VOLTAGE 3.6V, RED/GREEN LIGHTS TO SHOW EMPTY/CHARGED, INTERNAL SAFETY FEATURES, CERTIFIED BY INTERNATIONAL STANDARDS.
LOW COST AND ENVIRONMENTALLY FRIENDLY.CAN BE RECHARGED OVER 500 TIMES, THE EQUIVALENT OF 500 PAIRS OF CR123 BATTERIES.