FLB-NCD-1: 3.6 volt 1600mAh Rechargeable Ni-Cd Battery for tactical flashlights. Fits the following models: Stinger, Stinger HP, Stinger XT, Polystinger, Pelican M9, Maglite 75175, etc. Pricing is for 1 battery pack. Picture shows two aspects of the battery.
Product dimensions: 5 1/8" long x 7/8" diameter.