Price: $6.99

Single 18650/17670 Li-ion battery charger
  Optional charger for Li-ion batteries used in A.8 flashlights.

Price: $28.99

A31-Li-ion Battery Charger
  Spare charger for A31 searchlights.

Price: $9.99

Panasonic NCR18650 Li-ion  3400mAh 3.7v
  Extra Panasonic 18650 PCB protected batteries for continuous running.