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Amazon 9 Volt Batteries?

Even name brand batteries can leak. Duraleaks are the worst offender IME. I really don't want battery acid inside my bass and all over my preamp. I would go the opposite direction and get the best batteries you can afford. Lithium 9V by Energizer are my choice.
 
I've had the worst leaks with Duracell 9 Volts and one destroyed an expensive Fluke meter.
I've also had Energizer AAA's and AA's leak.
So far, I have not had a Pro Cell leak.
No experience with lithium's.
 
I change the batteries in all my active basses at least once a year - 8 batteries across 6 basses. I have used the Amazon 9v the last couple years without issue. I just got a pack of Energizers for the next round, and am planning on swapping those out this week.

I feel fine/safe using a medium quality battery and changing it out regularly. Mainly I see batteries leaking after they have been left in place for years, and I've seen fancy batteries leak in places where cheapos had no issue. Yes, I'm sure the failure rates are lower amongst the better battery brands. I think the main thing in battery husbandry is vigilance. Check on 'em. Change 'em regularly. Nothing worse than a battery going dead in a gig... except one exploding in yer bass!

I am ashamed to admit I change the batteries in my basses MUCH more frequently than in my smoke detectors, haha!