Blizzard mkIII battery question

AliasXZ · 11 February 2009, 14:31

Hi all

Just a quick question:

On my Blizzard MKIII, the battery has gone, but I can't seem to remove it easily and I don't want to break anything, are they soldered on?

Once removed, does it matter if I run it without? Don't want to run the risk of a leaky battery

cheers for replies

hit · 11 February 2009, 15:50

i dont have such card, but looking on some pictures ( http://amiga.resource.cx/exp/search....0+III&company= )
i'd say, it has two soldering points on the backside. (picture taken from amiga.resource.cx )
IIRC boards can run without battery, just not storing time/date anymore.

AliasXZ · 16 February 2009, 22:58

Cheers Hit

That's what I thought, just afraid of leakage!

Fingerlickin_B · 17 February 2009, 00:17

Yeah, remove it.

Just be careful when de-soldering it, as the board is very "busy" around one of the battery legs!

PZ.

Yoto · 17 February 2009, 01:38

@ AliasXZ

Just try to find an old PC board with a simple Button Cell 2032 battery socket, unsolder it from the board and solder it on the back of your MKIII.
Just be careful to double-check the polarities.

Supamax · 17 February 2009, 04:11

Quote:

Originally Posted by Yotoxionomai

Just try to find an old PC board with a simple Button Cell 2032 battery socket, unsolder it from the board and solder it on the back of your MKIII.

This is something I was wondering about but I never asked:
since the original battery is NiCd, then a current is flowing from the board *to* the battery (in order to recharge it). If we (on A501 too) put on a Lythium battery (not rechargeable) instead of a NiCd or NiMh, will the current not damage the battery sooner or later? Or (not probable but possibly) damage the board?

Anemos · 17 February 2009, 08:45

here is my old photos replaced base-battery of PC m/b.
you can use also a small zener diode for stopping to recharge the lithium battery, connected as from (+) to the Blizz way.

Yoto · 17 February 2009, 13:00

AFAIK, the original button cell i took from my Blizzard IV is similar to this one, sold in amigakit, and surely it dosent look rechargeable...
http://amigakit.leamancomputing.com/...roducts_id=630

Supamax · 17 February 2009, 15:37

Quote:

Originally Posted by Anemos

you can use also a small zener diode for stopping to recharge the lithium battery, connected as from (+) to the Blizz way.

Great idea!

Any zener diode will do?

TheCorfiot · 17 February 2009, 16:35

Quote:

Originally Posted by Supamax

Great idea!

Any zener diode will do?

Any diode will do, just ensure the anode is on the battery +, and the cathode (banded side) is on the pcb side.

TC

Anemos · 17 February 2009, 17:32

cant take shot now of my mod,im on work any way..

here is a simple diagram of main construction ..

Supamax · 17 February 2009, 17:38

Very useful info, thanks!

Anemos · 17 February 2009, 17:47

6-8 months ago.. with this my Blizz dont lost any sec! lol
also my Apollo 1230 has same mod with out the diode! ,no problem again.. :O

Fingerlickin_B · 18 February 2009, 03:30

I didn't think that Blizzards charged the battery?

PZ.

Supamax · 18 February 2009, 23:59

Quote:

Originally Posted by Fingerlickin_B

I didn't think that Blizzards charged the battery?

PZ.

Well, all boards which have NiCd batteries do charge them

Fingerlickin_B · 19 February 2009, 01:06

Well, I thought it was just a CR2032 that I removed from my 1230 MkIV

PZ.

Yoto · 19 February 2009, 02:28

I agree with Fingerlickin B, the button cell i removed from my BZ IV didnt seemed like a NiCd...

Supamax · 20 February 2009, 03:38

Then perhaps I'm wrong

.
However, in these cases why did they solder a non-rechargeable battery to the board? This sounds stupid, since a Lythium battery has a limited life (long, but limited. 3..5 years).
PCs did use CR-like batteries, but with sockets and not soldered to the mainboard...

11 February 2009, 14:31	#1
AliasXZ Guru meditator Join Date: Jan 2008 Location: England, Huddersfield Age: 39 Posts: 166	Blizzard mkIII battery question Hi all Just a quick question: On my Blizzard MKIII, the battery has gone, but I can't seem to remove it easily and I don't want to break anything, are they soldered on? Once removed, does it matter if I run it without? Don't want to run the risk of a leaky battery cheers for replies

11 February 2009, 15:50	#2
hit Registered User Join Date: Jun 2008 Location: planet earth Posts: 1,115	i dont have such card, but looking on some pictures ( http://amiga.resource.cx/exp/search....0+III&company= ) i'd say, it has two soldering points on the backside. (picture taken from amiga.resource.cx ) IIRC boards can run without battery, just not storing time/date anymore. Attached Thumbnails

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16 February 2009, 22:58	#3
AliasXZ Guru meditator Join Date: Jan 2008 Location: England, Huddersfield Age: 39 Posts: 166	Cheers Hit That's what I thought, just afraid of leakage!

17 February 2009, 00:17	#4
Fingerlickin_B Amiga Nut Join Date: Oct 2006 Location: Belco, Australia Posts: 2,242	Yeah, remove it. Just be careful when de-soldering it, as the board is very "busy" around one of the battery legs! PZ.

17 February 2009, 01:38	#5
Yoto 1 Potato to Spam´em all! Join Date: May 2008 Location: Lost in a Wine Country Age: 47 Posts: 572	@ AliasXZ Just try to find an old PC board with a simple Button Cell 2032 battery socket, unsolder it from the board and solder it on the back of your MKIII. Just be careful to double-check the polarities.

17 February 2009, 08:45	#7
Anemos 70X7 Join Date: Apr 2008 Location: Ἑλλάς Posts: 1,078	here is my old photos replaced base-battery of PC m/b. you can use also a small zener diode for stopping to recharge the lithium battery, connected as from (+) to the Blizz way.

17 February 2009, 13:00	#8
Yoto 1 Potato to Spam´em all! Join Date: May 2008 Location: Lost in a Wine Country Age: 47 Posts: 572	AFAIK, the original button cell i took from my Blizzard IV is similar to this one, sold in amigakit, and surely it dosent look rechargeable... http://amigakit.leamancomputing.com/...roducts_id=630

17 February 2009, 17:32	#11
Anemos 70X7 Join Date: Apr 2008 Location: Ἑλλάς Posts: 1,078	cant take shot now of my mod,im on work any way.. here is a simple diagram of main construction ..

17 February 2009, 17:38	#12
Supamax Da Digger :) Join Date: Nov 2008 Location: Monza, Italy Posts: 2,822	Very useful info, thanks!

17 February 2009, 17:47	#13
Anemos 70X7 Join Date: Apr 2008 Location: Ἑλλάς Posts: 1,078	6-8 months ago.. with this my Blizz dont lost any sec! lol also my Apollo 1230 has same mod with out the diode! ,no problem again.. :O

18 February 2009, 03:30	#14
Fingerlickin_B Amiga Nut Join Date: Oct 2006 Location: Belco, Australia Posts: 2,242	I didn't think that Blizzards charged the battery? PZ.

19 February 2009, 01:06	#16
Fingerlickin_B Amiga Nut Join Date: Oct 2006 Location: Belco, Australia Posts: 2,242	Well, I thought it was just a CR2032 that I removed from my 1230 MkIV PZ.

19 February 2009, 02:28	#17
Yoto 1 Potato to Spam´em all! Join Date: May 2008 Location: Lost in a Wine Country Age: 47 Posts: 572	I agree with Fingerlickin B, the button cell i removed from my BZ IV didnt seemed like a NiCd...

20 February 2009, 03:38	#18
Supamax Da Digger :) Join Date: Nov 2008 Location: Monza, Italy Posts: 2,822	Then perhaps I'm wrong . However, in these cases why did they solder a non-rechargeable battery to the board? This sounds stupid, since a Lythium battery has a limited life (long, but limited. 3..5 years). PCs did use CR-like batteries, but with sockets and not soldered to the mainboard...

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