Energizer Ultimate Lithium Mignon battery L91.
The great advantages of Energizer Ultimate Lithium L91 are the very high energy density, the very long shelf life and the wide temperature range for storage and operation. Straight in winter, lithium batteries are more resilient than conventional alkaline or zinc-carbon batteries. You will notice the difference! LR06, AA, LR6, AAB4E, AM3, M, MN1500, 815, E91, LR6N, 15A, KAA, R6, R06, BA3058, U7524, UM3, Mignon, V1500PX