[time-nuts] HP-105B Battery Replacement?
jn6wfo at gmail.com
Wed Sep 14 22:19:42 EDT 2016
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.
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
> 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.
>> 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.
>>> 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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