Craft & Design
Build a battery meter, show your friends that alkalines aren’t “dead” yet


Even though alkaline batteries are slowly disappearing in exchange for the re-chargeable nickel metal hydride and lithium in most consumer electronic devices, there are still a few people who use them. Here’s a nice project to test the strength of the remaining AA batteries you have lying around your house if you can’t find your multimeter amid the clutter.

Battery meter Link