STL78105 USB Rechargeable Battery Pack

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. FeaturesCharge with existing Stinger chargers, USB cord or lithium ion bank charger Long-lasting lithium ion battery pack with multiple charging options Charges in 5 hours Integrated safety circuit protects battery pack from overcharge/overdischarge SpecificationsSize: 2.75 in. Weight: 1 lbs