Replace the tail cap by turning it clockwise until it stops moving.Insert a new battery so the top or pointed end faces the light.Turn the tail cap counterclockwise until it pulls away from the flashlight.What is the correct way to put batteries in a flashlight? By installing the negative end first, the battery will slide into the compartment more easily. Slide the battery into place with the negative end first.Īs you insert the negative end of the battery, you may press down a spring or a lever. Which side of battery goes against spring? Make sure that you insert the batteries so that the + and – match the graphic to the right. 2 Insert three AAA batteries (included) into the battery holder. What type of batteries do Maglites take?ġ Turn the end cap on the bottom of your flashlight counterclockwise to open the battery compartment, then remove the battery holder.How do you remove corroded batteries from a flashlight?.