Monday, December 5, 2016

Batteries for Pulse Barrvyox & Element Barryvox

One of the questions we get frequently is about which batteries to use in Pulse Barryvox and Element Barryvox beacons.  Originally, Mammut recommended using Duracell Ultra batteries.  We made this recommendation because those specific batteries were widely available globally, were of reasonably good quality and exhibited acid leakage less than others, and seemed to be consistent in battery life from lot to lot.  However, several things have happened:
This image shows 2, AAA LR03 alkaline batteries with different-shaped negative terminals.  It's OK if the wrapper is flush with the negative terminal, the problem is if the terminal is recessed BELOW the wrapper.