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Cheap Float Chargers

posted Nov 24, 2012, 7:47 AM by Charles Boling   [ updated Nov 24, 2012, 12:01 PM ]
If you've been wanting a cheap float charger for 12V lead-acid batteries, look no further!  Harbor Freight has 'em on sale today for $5 (normally $13).  Put it together with whatever car battery you find on sale, one of those big used $20 AGM batteries from CARS, or whatever other batteries you have on hand, and you have a pretty inexpensive radio power supply.  Note that even with a battery to buffer it, a cheap power supply *might* inject noticeable noise into your radio; if that is the case, shut it off when operating.http://www.harborfreight.com/merchandising-promotions/merchandising/2012-ise/11-22-12-after-thanksgiving-sale/automatic-battery-float-charger-42292.html