18650 button top Lithium-ion battery with built in Micro-USB charge port
Integrated safety circuit protects battery from overcharge/overdischarge
Use the 18650 USB battery to power the Vantage 180 X, PolyTac X, ProTac 2L-X, ProTac HL-X and ProTac HL 5-X and transform these multi-fuel lighting tools into rechargeable systems