Safer AA battery case and buttons replace the risky BP-5L in your old handheld. Tired of swelling batteries and broken charging ports? This 3D-printed case converts to AA power. Soldering required. Reuses original screen, motherboard, etc. Make a DIY screen film. Battery wiring instructions in the files.

Introducing a new parametric battery case designed for both AA and AAA batteries! Say goodbye to limitations – easily adjust the number and type of batteries you need. This design uses simple threaded metal wires (like 0.5mm gauge) for connections (not included), eliminating the need for fiddly metal plates. It features a modified spring mechanism for reliable contact and offers flexible wiring options for series or parallel configurations.

Not sure for how many of you this applies, however I enjoy soaking in the bathtub and watching a show on my phone. I use a bathtub tray and a regular phone holder for this. There is one problem: the phone tilts up in the phone holder, yet when I'm lying down in the water, the phone should tilt down for optimal viewing. Hence this piece of plastic that does the job. It ain't stupid if it works.