Gp batteries super alkaline mercury free manganese batteries gp gp gppca14as001 the gp super gp14a is an alkaline mercury free manganese c cell that is ideal for the increasing power demand of everyday devices it offers great value for money with a long lasting lifetimeapplications mp3 players clocks toys model racing cars torches and flashlights gp gppca14as001 alkaline c cell battery pack 2