[quote] For example, new models run on small Fission batteries, meaning that you'll probably be dead before that thing runs out of juice. In Walter's case, the older designs run on a less advance battery system, thus it tends to be unreliable when placed under high strain. Because of this, the battery life varies on it. Think of it as a smart phone. Give it a good charge, and it could run the whole day, but try watching videos on 4G, or play some mobile game, and you might be out of juice within an hour or more. So he has to choose when to push it to the limit and when to tone it back a notch.[/quote] Power Supply! The bane of any non-connected device of the 21st Century!