When you spend the money on the best lighting solutions you also need to have the best batteries. The SureFire 18650 kit allows you to charge two 18650 Lithium Ion batteries simultaneously via either a AC wall adaptor and cigarette lighters in vehicles. The 18650 offers 3.7 volts and 3400 MAH which then translates to optimal light output.
One Surefire 18650 3.4 Ah Li-Ion Battery
Dual Cell 18650 Charger
Cigarette outlet Adaptor
US Style AC Adaptor