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MEXICOWANDERER's avatar
MEXICOWANDERER
Explorer
Jun 12, 2017

An AGM Temp Comp Battery Maintainer That Doesn't BUZZ?

I cannot seem to find one that does not BUZZ. So called desulfation that is a ripoff in that ALL BATTERY CHARGERS BUZZ without any circuit changes. Why should I have to buy a capacitor? Float 13.3 ...
pnichols's avatar
pnichols
Explorer II
Jun 13, 2017
Mex,

I have an older version of one of these. No buzzing at all ... as there's nothing to buzz because they're solid state. However they have the usual problem - expensive. I spent big bucks for mine years ago when I was heavy into bass fishing ... but solid state innards can eliminate the buzz:
http://www.promariner.com/fr-fr/products/waterproof-chargers/prosport/gen3

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