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Ultralight, Ultra-Performance Backcountry Electronics for 2018
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Home › Forums › Campfire › Editor’s Roundtable › Ultralight, Ultra-Performance Backcountry Electronics for 2018
- This topic has 31 replies, 10 voices, and was last updated 1 week, 1 day ago by Haakon R.
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Sep 24, 2024 at 11:27 pm #3818763
omg… thanks Richard. This has happened a few times to me (traveling not backpacking). I thought I was losing my mind.
Sep 25, 2024 at 3:28 am #3818764Friesen Gear sells a 3D-printed cap for the NB-10000 that prevents accidental button-pressing in the pack.
Sep 25, 2024 at 3:40 am #3818765Seal a meal cap.
Sep 28, 2024 at 9:28 am #3818980I just pressed and held the button on my Gen 3 Nitecor 10000 power bank for > 20 seconds, and it did NOT lock down to hibernation mode.
Has anyone observed otherwise or a different hibernation instigation on the Gen 3 version?
Sep 28, 2024 at 12:15 pm #3818993I hope that some well-known reviewer will tell Nightcore that the hibernation mode would be swell if it could be re-awakened without wall power.
Sep 29, 2024 at 8:19 am #3819031USB chargers are rated at the capacity of the battery, which is 3.6 volts
This has to be converted to 5 volts for USB, so there’s an inefficiency of 3.6 / 5 = 72%.
10,000 mAh battery will yield 7200 mAh of USB voltage to charge devices
Plus, there is inefficiency added so it’s less than 7200 mAh
This is true, but the conversion is unnecessary as the device you’re charging is likely to be 3.6V as well. Stepping the voltage up to 5V and regulating it down to a 3.6V charge current will ofc cause energy loss through heat dissipation at both ends, but using a non-voltage specific unit of energy measurement is perfectly fine as both endpoints of our charging circuit will usually be 3.6V for most consumer equipment these days. Using a less ambiguous energy measure, like Wh would be preferable and potentially cause less confusion, but is rarely of any importance anymore.
In other words, despite the output being stepped up to 5V, if we could make a perfect charging circuit with no heat dissipation, a 10’000mAh power bank would deliver a 10’000mAh charge on the destination device.
Sep 29, 2024 at 8:40 am #3819032<p style=”text-align: left;”>Most of my electronic devices I use in the backcountry would be significantly bulkier if they used replaceable lithium batteries. Worse, the waste and cost would be ridiculous. Most in the lightweight backpacking community don’t seem to care too much about cost to save weight, but some of us care about reducing waste.</p>
While true for a lot of devices, I don’t think this is true across the board. The move to rechargeable technology in most of our devices has created a whole industry of accessories (power banks, chargers, cables etc.) that follows a similar upgrade (and waste) cycle as other consumer electronics. And not only that – many of our electronic devices now comes with embedded Li-ion cells that are more expensive/difficult to replace than to buy a new device – leading to premature retirement of otherwise fully functional devices.
And when it comes to the mentioned safety devices that we have to depend on in any weather or temperature, I think it’s reasonable to consider something based on a more resilient battery technology.
Something like the Jotron SA20 PLB has 11 years of battery life and the battery can be replaced when the time comes. I’m not sure a re-chargeable satellite messenger with it’s supporting eco-system will create less waste over the same time period.https://jotron.com/product/tron-sa20-plb-personal-locator-beacon/
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