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smartphone charging on long through hikes (JMT)

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Re: smartphone charging on long through hikes (JMT)

Postby rayfound » Tue Sep 05, 2017 7:14 am

The thermoelectric effect is so weak, pretty much all reviews on these devices is that they are near useless.



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Re: smartphone charging on long through hikes (JMT)

Postby Wandering Daisy » Tue Sep 05, 2017 7:20 am

franklin 411- I disagree that "any" P&S camera takes better pictures than an I phone. I have pretty good P&S with options to shoot manually, and my husband's I-phone6 actually takes better photos, unless you shoot in unusual lighting conditions. Additonally, he can upload to the cloud.

The concept of "one-devise that does all" is very appealing. When they get to the point of being lighter and having longer battery life, I will likley go that way. In the meantime, the reason I take a camera (no GPS, PLB or I-phone) is weight and battery life. I have my husbands old I-phone5 which does not take as good photos. My camera weighs 7 oz and will go for 10 days on the original battery (that is over 250 photos). I take ane extra battery (very small and light) on longer trips. I do not use other eletronic devices, other than my 1oz I-pod shuffle. I take a small key-chain light or a solar light (the small Luci). I take no extra batteries, becuause none of my electronic devices are absolutely necessary - nice to have but I can do without in a pinch.
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Re: smartphone charging on long through hikes (JMT)

Postby cloudlesssky » Mon Sep 11, 2017 8:53 pm

I saw plenty of solar chargers dangling from packs along the PCT/JMT in mid Aug this year. Truthfully though, there's really no need for a GPS. The trail is pretty obvious and generally has good signage. A compass and mapset like the Tom Harrison JMT set is adequate. I carried a Garmin Inreach this year because it's the deal I make with my wife that allows me to go solo (prior to the Garmin I used a Spot and/or satellite phone). I turned it on once or twice a day to text my location and a few messages but I never used the GPS map function. The battery was still above 75% when I finished. I also carried a Canon SX410 zoom P&S with a few additional charged 1200 mA batteries.
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Re: smartphone charging on long through hikes (JMT)

Postby JWreno » Thu Sep 14, 2017 11:15 am

I use the Suntastic unit for several trips including a couple of JMT trips. I put a 2 inch wide strip of loop velcro under the unit. I sewed a 2 inch strip of hook velcro on the lid of my pack. I charge my steripens, iPhones and camera. I use it on any sunny day above the tree line. Works great. I now use Gaia GPS on my iPhone instead of GPS. I have it also loaded on my wife's iPhone so we have backup. I keep the phone plugged in while in a front shoulder strap mounted pouch. The cable runs up the the solar charger on the lid. The phones get charged every day. The Steripens need charging about every 5-7 days depending on use.

https://www.amazon.com/Suntactics-Ultra ... =suntaskic
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Re: smartphone charging on long through hikes (JMT)

Postby JWreno » Thu Sep 14, 2017 11:21 am

I agree about not needing GPS on the JMT. My last 2 trips have involved 3 - 4 days of hiking away from trails over wild passes. I found the Gaia GPS map and location detail extremely useful when route finding. Just got back for the Lake Loop GPS route in the Ruby Mountains.
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