allheart55 (Cindy E)
Administrator
Portable battery packs for your smartphone or tablet are handy. You could buy one, but you can save money by making your own.
We've covered how to make a battery pack with an Altoids can, but newer devices can draw a lot more power—so a bigger case can get you more juice. Lenmar Enterprises' guide uses a plastic bar soap container instead of the smaller candy tin, and is much easier to make to boot. The plastic container closes tight and can hold more batteries.
Check the video for full details.
