acid battery charging best practices?

Hi,

I got a new battery for my outdoor robot:

12 Volt 7 Amp Hour Sealed Lead Acid Battery

If needed a link to Amazon:

http://www.amazon.com/Volt-Hour-Sealed- … B005IGR608

I have an adapter of 12v @ 500ma, so as long as I understand I have to keep it a 14 hour to fully charge, correct?

7000ma / (500mp/1h) = 14h.

Now what are best practices to charge it:

  1. wait for the battery to drop under a specific voltage then start charging?

  2. how to know if it is fully charged? only by measuring on 14 hour?

  3. any other best practices I must know for an acid battery please?

Thank you.

Lead-acid batteries need to be charged at something like 13.6V (float charge). Full details should be in the battery spec.

unfortunately, nothing given with the battery, that’s why I’m asking on forum, perhaps someone could kindly point to a best-practices page for charging such batteries

Google “charging lead acid batteries” for 1.4 million results

Turn your safe search off.

I got 6.84 million results!

Turn your safe search off.

And let the kids see a naked lead-acid battery in a compromising position?

I’d say the potential for the kids to see anything shocking is low.

This Yuasa doc has everything you need for charging their batteries: Manuel_technique_NP_anglais.pdf

I found it on their web site. It’s actually written in English.