I just bought a AAA Tenergy 10440 sized (Similar to a AAA) 3.7v 330mah Li-Ion from Batteries Plus. When I put it in my pen I built I got no output. This could have been a build error. When I went to charge the battery it shows 75% on my Nitecore charger. After about 2-5 seconds it stops showing the charge % and changes to EE. Is this battery Bad?
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