Re: [John Muir Trail] nPower - Kenetic Energy
Good points on the lithium batteries... the only advantage of this device is that it can charge several gizmos that don't use standard-sized batteries (e.g. AA). That would allow you to pack things like ipods, some GPS devices, some cameras, cell phones, etc.
That being said, I cant think of too many things worth bringing on the JMT that dont support standard battery sizes. I currently only have 3 items in my bag requiring batteries - camera, spot and headlamp. All 3 can use standard-sized batteries.
--- In firstname.lastname@example.org, Peter Burke <pburke@...> wrote:
> On 1/1/2011 10:06 AM, gordonjacobsen wrote:
> > While I strongly support Ned's recent post about not relying on electronic gagdets and using the stuff between the ears, I also like playing around different gadgets and new gear.
> > Anyone seen, used, or hear about this product - http://www.npowerpeg.com/ It supposedly can power small gadgets by using the kenetic energy generated while hiking. I knew the technology was coming, but it is the first time I have seen something tangible... and its listed weight is less than 12 ounces. Seems interesting in theory, but I can't find any reviews on it.
> 12 ounces equals the weight of 24 AA Energizer Lithium cells. I rarely
> need more than 8 of these between resupply depots (camera and GPS always
> on). Until solar chargers work reliably and weigh less than 6 ounces,
> I'll stick with lithium batteries and buy devices that use AA or AAA.
> Foolproof power - works without sunlight, not sensitive to cold, half
> the weight of alkaline, and 4x the output of an alkaline. 14.6 grams or
> 0.5 ounces per AA cell - that's my measure all charging gizmos have to
- On 1/1/2011 11:57 AM, gordonjacobsen wrote:
> Peter,yup, but I did bring an ipod 60GB 3rd gen unit one time - and I have a
> Good points on the lithium batteries... the only advantage of this device is that it can charge several gizmos that don't use standard-sized batteries (e.g. AA). That would allow you to pack things like ipods, some GPS devices, some cameras, cell phones, etc.
AA lithium adapter for it (Energizer makes it)
it's basically a plastic battery holder that charges the ipod from the
AAs in it