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 ...

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 ...

Electronic enthusiasts looking for a way to control power to the next project from a 9 V battery may be interested in a small device called snapVCC. Available to purchase from the Crowd Supply website ...