cathode technology. Duracell Ultra Power provides up to 40% more power vs Duracell Plus* (*in high drain devices vs. Duracell Plus AA, Results vary by device.) Duracell Ultra Power batteries have POWERCHECK, an integrated tester that always let's you know how much power is left in your battery. Duracell's DURALOCK technology means these batteries are guaranteed to stay powered for up to 5 years* when not being used. This huge leap forward in battery technology has been made possible by improvements in the purity of ingredients and upgrades to the construction of the battery cell meaning less power is lost when in storage.
- 1.5 V
- General purpose battery with many applications