Last up to 10 times longer duracell is the number 1 brand when it comes to producing long lasting batteries and this bumper 16 pack is no different whether youre powering your camera games controller remote etc youre guaranteed to get hours upon hours of use what is duralock duralock preserves power for up to 10 years in storage while most batteries lose their power even when not in use duralock batteries dont making sure you get the absolute most out of them