Streamlight 18650 USB Rechargeable Lithium Ion Battery with Integrated Micro-USB Charge Port - 2/pk

2600mAh 18650 button top lithium ion battery with on-board safety control circuit Features an integrated micro-USB charge port and charge status indicators Charges in 5 hours Charge via USB power source or with the Streamlight EPU-5200™ portable USB charger - Item SM22102 (sold separately) 2.75 in (7.0 cm); 1.7 oz (48 grams)