For best results, always use a new 9V battery to power the memory saver ... Invest in compression replacement battery terminals. They're made from tinned copper and their compression fitting ...

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 ...

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 ...

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 ...

this super small power switch is fairly easy to build and is mostly made from an old 9V battery. Sean Michael Ragan at Make wanted an easy way to turn off his own projects without having to ...

Try making one yourself with a little help from a 9V battery and a few extra components. This simple hack on a standard 9V battery is an easy one to undertake. It's pretty straight forward ...

The Pedal Juice 9V power supply for effects pedals contains a 3.7V, 7.35Ah rechargeable Lithium-Ion battery with Eneloop technology that provides direct current to connected devices via two DC ...

The VoltClip draws power over USB, instead of from a 9V battery. The VoltClip draws power over USB, instead of from a 9V battery. Andrew Liszewski is a senior reporter who’s been covering and ...

Q. I just spent $20, again, on batteries for my smoke alarm. The Duracell batteries I bought are good for five and 10 years. Is the old idea of replacing batteries every six months still relevant ...