battery question

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collinE
Posts: 891
Joined: Thu Aug 07, 2008 9:07 am
Location: Salt Lake City, Utah

Re: battery question

Post by collinE »

it would seem to me that you want to wire your portable up to v+ and ground but ideally you should use a multimeter to find out which is giving off the 7.4v. as far as charging it, hopefully someone else can help :/
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thewizdawg
Posts: 120
Joined: Thu Dec 18, 2008 7:05 pm
Location: O-Hi-0

Re: battery question

Post by thewizdawg »

That charging circuit looks big and overly complicated.

You could just take out the batteries and buy a cheap protection circuit from batteryspace and connect the batteries to it.
timmeh87
Senior Member
Posts: 3047
Joined: Mon Nov 14, 2005 10:19 pm
Location: Ontario, Canada

Re: battery question

Post by timmeh87 »

I think Ive seen this battery, It has a built-in DC-DC converter. I think. It outputs 9v right?

Id recommenced using the external charging pins or getting another protection circuit.
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DukDog
Posts: 17
Joined: Thu Jan 28, 2010 3:42 am

Re: battery question

Post by DukDog »

collinE wrote:it would seem to me that you want to wire your portable up to v+ and ground but ideally you should use a multimeter to find out which is giving off the 7.4v. as far as charging it, hopefully someone else can help :/
I think you'd want to wire up the charger and load to P+. At least that's what you hook up to with these circuit boards. I would assume the P stands for protected, but that's just my novice deductive logic.
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