[time-nuts] HP-105B Battery Replacement?

[Jeremy Nichols]

Thanks, Brooke, I'll price new Ni-Cads. I wasn't thinking of lead-acid (gel
cells) but rather lithium rechargeable, providing I can find a type that
won't catch fire and will work with the 105B'scircuits.

Jeremy


On Wednesday, September 14, 2016, Brooke Clarke <brooke at pacific.net> wrote:

> Hi Alex:
>
> Yes, I'm recommending Ni-Cad but NOT any acid type.
>
> --
> Have Fun,
>
> Brooke Clarke
> http://www.PRC68.com
> http://www.end2partygovernment.com/2012Issues.html
> The lesser of evils is still evil.
>
> -------- Original Message --------
>
>> Hi Brooke,
>>
>> sorry I have to disappoint you; Ni-Cd batteries do not use any acid, they
>> have K-OH  kalium hidrioxid  [potassium hydroxide  for anglophone ] as
>> electrolyte and they are normally very air-tide, and widely used in radios.
>>
>> 73
>>
>> KJ6UHN
>>
>> Alex
>>
>> On 9/14/2016 4:45 PM, Brooke Clarke wrote:
>>
>>> Hi Jeremy:
>>>
>>> It's a very bad idea to put any battery with acid in an enclosure that
>>> has electronics since if it vents the acid will etch the PCBs.
>>> Guess how I learned this.  I got a great price on a Gibbs Frequency
>>> Standard because the oven no longer worked.
>>> http://prc68.com/I/office_equip.html
>>>
>>>
>>> Modern Ni-Cad batteries have much more capacity than older ones and no
>>> longer have a memory effect.  They are also very easy to charge, so why not
>>> just replace the old cells?
>>>
>>>
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