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Li-on Charge Protection: Neccesary When Built In?

Posted: Thu Jan 08, 2015 12:18 am
by tommygdawg
Hey all,

Pretty basic question here. I purchased this battery some time ago: ... B00G9KHL4I

I was just curios as to the protocol with lithium batteries of this type. It has built in over and undercharge protection, so do I still need an external charge controller for hooking up to, say, a small solar panel? I do have a couple of those small USB charge controller boards, but I was just wondering if they're actually necessary, since the battery has built-in protection. Any insight would be helpful!

- Tommy