using LiMn batteries

2stoned · 4th January 2008, 16:41

Good choise on the Valence batteries.

Rather have a safe battery than a smaller one that blows up.
My initial understanding was that they could be charged much like the other battery options.
Your mentioning of an unusual charging circuitry is interesting. Can you elaborate on this?

AD_ward9 · 4th January 2008, 17:11

Quote: (Originally Posted by 2stoned)

Good choise on the Valence batteries.

Rather have a safe battery than a smaller one that blows up.
My initial understanding was that they could be charged much like the other battery options.
Your mentioning of an unusual charging circuitry is interesting. Can you elaborate on this?

It is pretty straight forward, but the charging voltage is non-standard (3.6V target voltage), so none of the Li-ion charging chips work for it.

It takes the microcontroller to charge the battery. Plugging in USB power powers the micro and also provides the battery power. ARM 7 micros are very cheap, fortunately.

Alex

4th January 2008, 16:41	#11 (permalink)
2stoned Such is my point of view Current Rebreather/s: Not Bought Yet Other Rebreather/s: Not Bought Yet Join Date: Oct 2005 Location: Denmark Posts: 76	Re: using LiMn batteries Good choise on the Valence batteries. Rather have a safe battery than a smaller one that blows up. My initial understanding was that they could be charged much like the other battery options. Your mentioning of an unusual charging circuitry is interesting. Can you elaborate on this? __________________ Sten. The only man that always had all his work done by Friday, was Robinson Crusoe! www.rebreatherworld.com - Is going down in silence - Staying longer in stealth and style - Diving first class, all the way!
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4th January 2008, 17:11	#12 (permalink)
AD_ward9 So much more to learn Current Rebreather/s: Other CCR Other Rebreather/s: Other CCR Join Date: Jun 2005 Location: Scotland Posts: 1,553	Re: using LiMn batteries Quote: (Originally Posted by 2stoned) Good choise on the Valence batteries. Rather have a safe battery than a smaller one that blows up. My initial understanding was that they could be charged much like the other battery options. Your mentioning of an unusual charging circuitry is interesting. Can you elaborate on this? It is pretty straight forward, but the charging voltage is non-standard (3.6V target voltage), so none of the Li-ion charging chips work for it. It takes the microcontroller to charge the battery. Plugging in USB power powers the micro and also provides the battery power. ARM 7 micros are very cheap, fortunately. Alex
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