Battery choose

[mohandes]

Hi all gurus
I buy some AA Battery Rechargeable but dont work well and today when i chek them they are destroyed(can not store voltage)
I need to your idea for buy good battery?if I buy a battery 12V ,4.5Ah (or 3Ah) and use the board that Regulation voltage for all detector(This circuit can adjustment up and down and give 2.5A.h) ,is my idea well?
I wait to your help
thanks and cheers
if every one have this circuit put it here for all

[golfnut]

It is possible that this type of battery is excessive - maybe a little heavy.


Sure it will power your units. I use either Lithium Iron or Lithium polymer.

S

[mohandes]

thanks
but i think Seald lead acid is good for all detector but little heave
i buy 12volt 4.5Ah good or 12v 3Ah.

Lithium Iron or Lithium polymer are too much expensive!!!

[Alexismex]

Yes Mohandes Seal lead acid are the best for pulse detector ... good, practical, easy to charge, easy to find (computer break).... , but they are heavy and they charge very well , almost they are good for 3-4 years , for me it is the good choice , i have use many type of batteries and the better is the lead acid , in my pulse detector i use 12V 7amps battery heavy but my pulses are OK all the time.... 10 hours a day!!!
But DO NOT FORGET to instal a fuse in the line +

[rael]

Hi. Sorry, I am not guru. I think, the lead acid batteries is easy choice for PI.

[mohandes]

Yes Mohandes Seal lead acid are the best for pulse detector ... good, practical, easy to charge, easy to find (computer break).... , but they are heavy and they charge very well , almost they are good for 3-4 years , for me it is the good choice , i have use many type of batteries and the better is the lead acid , in my pulse detector i use 12V 7amps battery heavy but my pulses are OK all the time.... 10 hours a day!!!
But DO NOT FORGET to instal a fuse in the line +

Ok thanks Aleximex , I sure about that

[QUOTE=rael;175635]Hi. Sorry, I am not guru. I think, the lead acid batteries is easy choice for PI.

HI my friend I am not guru too


thanks all.

[mohandes]

hi all
now i find it,but just should put battery instead bridghe diods,is it possible?can ENDURE to 5A, and it is good for this.
http://www.8pic.ir/images/31401179027945112608.png