I've been using EBL batteries for the last 3 years and have never had a problem. I'm a bass player in a band, and my instrument has active pickups that require 9v batteries. I use the EBL's and they hold their charge. I also use the EBL 2800 mAh AA batteries in my wireless bass setup. I can play a full gig as well as a rehearsal with 2 AA batteries, and they still have more use left in them. They're a great product.
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