I've never seen those for sale on their own. I almost want to suggest seeing if you can find a defective Opus for a few bucks or something, removing the innards, and just keeping the casing around for the 4-cell holder.
Every time I get something half built someone comes up with a better component to use ;-) From above these look great and cheap, perfect to mount a TP4056 to. ttps://www.ebay.com/itm/10x-US-Smart-Un...Sww85aV6bQ
we need to have how to paste an url in FAQ
The urls are automatically shortened No need to shorten them yourself.
The url is shortened on the display only when you click on it ,it will go to the whole url. Only the clickable link is displayed
sorry about that Korishan I was thinking that the h was removed and that was all.