Read this topic and the multiple replies about alternate batteries or solutions. https://ogrforum.ogaugerr.com/topic/ps2-5v-battery
Personally, I build my own super capacitor modules or for customers use genuine BCRs https://www.jandwelectronics.com/bcr
And the local shop stocked up on genuine MTH batteries so for those that demand batteries and OEM.
https://www.mthpartsandsales.com
BG4000005 | BATTERY / 8.4V / 150mAh RECHARGEABLE NiMH / PROTOSOUND 2.0 5V & PROTOSOUND 1 |