chrisino
.
- Joined
- Feb 10, 2024
- Messages
- 40
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- 2
Would something like this work?
Or this

12V POWER BANK Rechargeable Portable Battery - All Capacities! (UK Stock) | eBay
Various capacities available, with cycle lifespans into the hundreds. It is your responsibility to ensure you order a compatible battery with a suitable capacity for your application. Low cost portable power.
www.ebay.co.uk
Or this