Re: [NTLK] NIMH AA battery level

From: Eric L. Strobel (fyzycyst_at_comcast.net)
Date: Tue Jun 18 2002 - 13:17:40 EDT


on 6/18/02 11:11 AM, Johannes Wolf at mp2100_at_mail-gw.estec.esa.nl wrote:

> Nope, thats not true,
> I used 1200mAh NiMH cells in my MP120 for 2 years without having any
> problem.
>
> Johannes
>
>> -----Original Message-----
>> From: newtontalk-bounce_at_newtontalk.net
>> [mailto:newtontalk-bounce_at_newtontalk.net]On Behalf Of Robert Benschop
>> Sent: Tuesday, June 18, 2002 4:57 PM
>> To: NewtonTalk
>> Subject: Re: [NTLK] NIMH AA battery level
>>
>>
>>
>> on 18-06-2002 3:50, Rob Frohne at frohro_at_wwc.edu wrote:
>>
>>> Ah ha! Now I understand. I'll have to try that. I'm using NiMH
>>> rechargables, and found that the Newton charger wouldn't recharge them.
>>> I'll have to try your suggestion!
>>
>> Take care, 1x0 models only take NiCD batteries AFAIK.
>>

Interestingly, the FAQ (II.B.6) states that NiCAD or NiMH rechargeables can
be used. HOWEVER... Have a look at the following link from the list
archives...

http://marc.theaimsgroup.com/?l=newtontalk&m=101411730531235&w=2

The key paragraph is:

>
> Only use NiCad Batteries Do not Use NiMH The reason is that those cells
> require charge characteristics that are much different from what NiCd cells
> require. The charge circuitry of the Newton 110 / 120 / 130 models was
> designed for charging NiCd cells and can't provide these charge
> characteristics. Ignoring this would mean the NiMH cells would never be
> charged in a way required to maintain their optimal > perfomance, and there is
> a more-than-average chance that they would be harmed over time.

Going back and looking at that, I think that link should be used to update
the FAQ on this topic.

- Eric.

-- 

Eric Strobel (fyzycyst_at_NOSPAM^mailaps.org)

===================================================================== If aviation had grown as slowly as space travel, the first paying customer would have flown in 1943 -- in the 1,657th expendable Wright Flyer. =====================================================================

-- Read the List FAQ/Etiquette: http://www.newtontalk.net/faq.html Read the Newton FAQ: http://www.guns-media.com/mirrors/newton/faq/ This is the NewtonTalk mailing list - http://www.newtontalk.net



This archive was generated by hypermail 2.1.2 : Wed Jul 03 2002 - 14:02:30 EDT