How To Put Batteries In Maglite Flashlight. Pull the spare bulb out of the tail cap and insert it into the socket of the base. Replace the rubber gasket back on the end of.

Insert the appropriate type and number of batteries as specified in the instruction manual accompanying the flashlight into the battery compartment. Reassemble the flashlight and test it. Click to see full answer.
1 Turn the end cap on the bottom of your flashlight counterclockwise to open the battery compartment then remove the battery holder.
Carefully slide the batteries out of the flashlight and dispose of them properly. The heat trick should help with that. Steps to Clean Out the Battery and Corrosion. Reattach the head of the flashlight reinsert the battery.
