Streamlight Stinger 2020, Flashlight, 2,000 Lumens, USB Cord and One SL-B26 Battery Pack, Black 78101 The Stinger 2020 is the next evolution in high-performance flashlights and produces 2"000 lumens. Its aluminum alloy body with an anti-roll design is ergonomically shaped for a sure grip. It features dual power switches and an intuitive mode selector switch for ease of use. A long-lasting SL-B26 USB rechargeable battery pack offers multiple charging options using existing Stinger smart chargers and bank chargers to charge inside the light; use a dual USB cord to charge the battery pack outside the light or a Li-ion battery bank charger to charge multiple batteries at once.