Independent charging channels with individual battery charge status LEDs Charger temperature safety circuit prevents damage to batteries while charging Impact resistant polymer construction Streamlight SLB-26 battery charger with 2 batteries. The included SLB-26 batteries also have a built-in micro USB charging port with charging indicators.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }