Q: How do you build a 9 volt battery connector to the cigarettte lighter to prevent having the car radio, clock and computer reset when I replace the battery? A: Get a cigarette lighter plug. Get a 9v ...

It’s pretty creative to use a 9v battery as an enclosure. That’s what [Osgeld] did when building this amplifier. There are several advantages; they’re easy to find, it keeps a bit of the dead battery ...

5) 9 V battery connector (Lowe's item # 364309 .98 cents) 14) 16 oz plastic container (URM part #0779206-2 cup 16 oz prime $4.39 sleeve of 100) 15) 16 oz plastic lid (URM part #0779204-7 Lid clr fit ...

In this article, I will take apart a Li-ion alternative to the classic 6F22 9V battery. This battery is a Chinese 9V/500mAh USB rechargeable Li-ion battery (sold under the brand name infinite). The ...

Since I’m starting to use more 9V rechargeable batteries, I thought it would be a good idea to build a simple 9V rechargeable battery for my friendly guitarist instead of having to urge him to look ...

found out yesterday that there’s a shuffle shortage and gadget battery life can only be expected to get worse. bummer. at least you can make the most of your waiting-for-shuffle blues and solder ...