Now funding (for just a few more days): blipOne Home Battery
We here at Knapsack like our batteries. I mean, batteries make much of our modern life possible. While we've all got some sort of portable batteries available, fewer of us…
In Review: FosPower Power Active Power Bank
How many times can you include the word "power" in one headline? Looks like three, at least this time around. As we mentioned in an earlier emergency preparedness roundup, we…
3D printed batteries may rival lithium-ion
There are a lot of problems with batteries: conflict mining, limited useful life, and difficulties transporting them when the stored energy is suddenly, catastrophically released. At the same time, we…
Get charged with Biolite
If you saw that headline, and thought about our review of the Biolite CampStove 2, I'd totally understand that. While the CampStove 2 can certainly help charge your devices (as…
The Anker PowerHouse 100 has a neat trick
Ever since we had a multi-day power outage over the summer, I've been paying a lot more attention to what battery packs we've got in our house. The small ones…
Getting charged up with the Mophie Juice Pack Air
Over the past few months, I?ve written about a number of iPhone cases, as well as the process of replacing the battery in my own iPhone (you can read that…
A drone in flight forever… with in-flight battery changes
Drones have become a fact of life, whether it's the kid down the street crashing it for Christmas, or Amazon delivery. Drones save lives through organ transplant transfer between hospitals.…
Now Funding: the Qi-enabled TuffyPack
Cell phones are an all-but-indispensable part of most of our lives. Given their utility, being able to have a full charge throughout the day has drawn folks to the idea…
Android battery draining faster than it used to?
As it turns out, it may not be your imagination. Sure, batteries degrade over time, and sometimes they just straight up need replacement. However, if it was able to get…
Recharging an iPhone with iFixit
No doubt, we all (especially if you?re reading this site) love our tech. That may be in what we work with in our day jobs, in the gadgets we fiddle…