On Sat, 8 Aug 2020 09:38:25 +0100, Andy Burns wrote:

I've got a 2.5 kVA (I think) APC Smart UPS stored. Needs batteries
but 4 x 17 AHr SLAs don't come cheap.

£102 delivered.

Your definition of "cheap" is at variance with mine. B-)

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Cheers
Dave.