[sdiy] Outside Synth DIY topics but could be of some interest..

[Ben Stuyts]

> On 22 Dec 2021, at 22:31, Brian Willoughby <brianw at audiobanshee.com> wrote:
> 
> There is at least one company making battery boosters. These are extremely thin brackets that fit around each standard size of battery, and boost the voltage from dying batteries to normal. I'm not sure what kind of supply they use, but they work with most "dead" batteries. A serious advantage is that they work with devices (such as remote controls) where external power jacks are not available.

If you are referring to the Batteriser, those have been thoroughly debunked. See https://duckduckgo.com/?q=batteriser+debunk

Ben