I have an Un-Interruptable Power Supply (UPS) on offer as per picture:
https://photos.app.goo.gl/7coAZMQbtMC91pSp7
UPS305 from National Power Systems.Ā Uses internal SLA battery
Un-Interruptable Power Supply 425VA/485W - Lyons
This offer has been gifted to someone and is no longer available.