Streamlight 18650 Rechargeable Battery Kit

Features Built with impact resistant engineered polymer housing for professional use Two bay design with single bay priority to speed charging Individual bay LED display provides battery charge status Charger temperature safety circuit prevents damage to batteries while charging Dual input; can accommodate 5V micro-USB, Streamlight AV or 12V DC power sources Durable 18650 lithium ion batteries rechargeable up to 500 times Single bay charge time 3.5 hours (either bay) Both bays charge time 3.5 hours left bay (priority); 6.5 hours right bay Micro-USB input with custom locking feature charges from Streamlight AC/USB adapters or most other USB sources USB charging input only; does not charge USB devices 12V DC input for automotive power or AC wall adapters (cord not included) 3.7V, 2600mAh on-board safety control circuit Charger Kit includes charging cradle, two batteries and Streamlight USB cord