I made an affordable 8v battery for my Konvas 1-KCP using NiMh cells picked off of eBay :
https://aapolettinen.blogspot.com/b/post-preview?token=rzYJvEcBAAA.55i9J13eyhYWCBKkzH1YZg.n-gZF7DeDmyp0JYjlY338g&postId=389739504158150991&type=POST#!/2014/08/making-simple-nimh-battery-for-konvas.html
The same procedure can be used for making a oddball voltage battery for any type of camera or equipment :lol: