[time-nuts] Re: Help needed with a UPS for my GPSDO

[Rob Nešpor Bellis]

Looks like an RBC5 is good. 2 x 12V7Ah batteries in series.

> On 26 Jun 2023, at 19:17, Dave via time-nuts <time-nuts at lists.febo.com> wrote:
> 
> Hi, I managed to find two second hand UPS at a ham rally but neither had a battery pack in it
> 
> One, an "APC backups-ups 400"  works well with a single 12V 7Ah sealed lead acid battery.
> 
> The other, an "APC SMART-UPS 600" seems to have space for two batteries.
> 
> I have found a manual for the "600" unit but it mentions nothing about the number of batteries or if they should be connected in series or parallel :-(
> 
> Has anyone any experience of these ??
> 
> Any help more than welcome.
> 
> Regards,
> Dave
> 
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