Streamlight PiggyBack Charger w/Stinger 2020 S Battery Pack Gray. The clamp style charger holder has a digital control circuit that prevents over-charge and has an LED indicator to show charge status. Mount the charger to a wall or in a vehicle for easy access and storage. Specifications for Streamlight PiggyBack Charger w/Stinger 2020 S Battery Pack: Manufacturer: Streamlight Color: Gray Battery Type: Lithium Ion Features of Streamlight PiggyBack Charger w/Stinger 2020 S Battery Pack For use with the Stinger 2020 S flashlight Provides power to a second battery pack simultaneously Fully recharges within 6 hours (12VDC input) Package Contents: Streamlight PiggyBack Charger w/Stinger 2020 S Battery Pack Streamlight 78204: PiggyBack Charger w/Stinger 2020 S Battery Pack Gray