[time-nuts] What to do with a 5061A/5061B with dead NiCds

Bob Camp kb8tq at n1k.org
Sun Feb 5 19:37:46 EST 2017


Unless you are in a *very* unusual location, put it on a UPS. 


> On Feb 5, 2017, at 6:27 PM, Skip Withrow <skip.withrow at gmail.com> wrote:
> Hello time-nuts,
> I have 5061A and 5061B units with the battery option and dead battery
> packs.  My question is what makes the most sense when refurbing these units?
> 1.  Yank the old battery out and just leave it that way.  Running the unit
> on a UPS would preserve the functionality.
> 2. Replace the pack with a rebuilt NiCd pack.  I'm sure Batteries Plus
> would be happy to do it, but sounds expensive.
> 3. Replace the pack with a NiMH pack, and really crank down the float
> current of the 5061.
> 4. Replace the pack with Li-ion battery.  Would be a much smaller battery,
> but the charging circuit would have to be pitched.  Building in a Li-ion
> charge controller sounds like it could be a project (which I don't
> necessarily want).
> 5. Yank the old battery pack and run the 5061 on two 12V batteries with an
> appropriate power supply/charger (basically a version of #1).
> Any thoughts on these or other options would be appreciated.  Thanks in
> advance.
> Regards,
> Skip Withrow
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