The B version of the Stanley Tripod has had some design changes. The new flashlight is brighter with long run-time on only 3 AA Alkaline batteries. 120° continuous positioning. Hands free light where you need it. The 95-112E and 95-112B are powered from by 3 AA alkaline batteries. The batteries are housed In the center chamber of the flashlight. To insert/replace the batteries, first unscrew the cap on the bottom of the chamber. Once the battery cap is unscrewed, insert new AA batteries, positive end first, into the chamber. Once the batteries are inserted, screw back on the chamber cap.