Yes, well, be careful with battery repairers/reconditioners.
My lappy battery is LI ion. It was lasting about half what it did when new. I found a local battery reconditioner via the net who said, "Yep, lithium Ion, bring it down, we'll test it and see what we can do."
Spotty faced fkukwit places test leads on 2 of 8 terminals on the battery and conducts a discharge test. Promptly blows the battery's internal electronics, having incorrectly assumed that all battery pinouts are the same.
Battery that had 50% capacity now has none, zero, zilch, cipher, ought and nought.
Little prick then says "Well how do I know you were telling me the truth when you said it had 50%? Might have been dead already."
(I had brought my lappy in, per their company requirements, but they chose not to check the batt performance in the lappy - just whipped it out and stuffed it.)
Cost me $200.00 for a new battery. Would have cost me more than that to pursue the
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Coda Batteries in Kirawee, southern Sydney, for any interested locals.
AA