Help ! 12 volt to 9 volt "gadget" ?

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Bernard

Bernard

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OK. So Vodacom in Great Brak River are no longer replacing their standby batteries in their cell towers.
Due to theft by druggies and the squatters nearby.

So loadshedding leaves us all incommunicado. Nada.

The wifi router needs a 9volt supply. How can I step down the 12 volts from a car battery to 9v so we at least have Internet and WhatsApp Etc. ? Can I make something (need pictures. lol) or is there something on the shelf ?

I've looked at circuits online and it's a bit out of my league.
 
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