Preventing Batteries From Going Flat at High Altitudes:
Yes this really does work. This is my ‘Poor Man’s Satellite Phone‘ after two weeks at between 3.000-6,000 metres elevation during our recent EBC trek. As you can see still 94% charged. ‘Normally’ such battery devices would be pretty much flat after just one day (even without use) – as I found out on my […]
Preventing Batteries From Going Flat at High Altitudes: Read More »