Cheap Battery Tender 021-0133 12V 5-Bank Commercial Battery Management

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List Price: $559.95
Sale Price: $377.27
Today's Bonus: 33% Off

I purchased this unit from Amazon. After using this on various cars and motorcycles, leads started to go intermittent on me. Only by jiggling them on the contact points on the tender would they make contact. Now only 2 of the 5 banks work. I took the unit apart and found that the nylon snap contacts for the leads are soldered directly to the master board with 2 delicate solder points. As the user connects and disconnects the leads, the nylon connectors snap together. Very flimsy way of making contact for a point that sees repeated usage. Absolutely no stress relief for the solder points. Poor design for reliability. It would cost a bunch to repair, then after use, would fail again. They should have placed a flexible intermediate lead to the disconnect points. Buy the individual units instead. This is NOT commercial quality by any stretch of the imagination.

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This tender is just as adv. Ihooked up 4 batteries and within 12 hrs. all the batteries were in storage mode.

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I started buying the individual Battery Tenders and with two batteries I had it covered. Then the third and forth battery came into the operation so this 5 bank tender is the cat's meow. Organized and looking professional and functional to keep all our batteries ready for action.

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This was the perfect item for our boating, jetski battery needs. Able to maintain charge on several items at once.

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This unit is for thoses who need to keep multiple batteries charged during the winter season. I have lawn equipment and chemical sprayers that have batteries that during off season need to keep charged. This unit keeps them charged ready for the next seasons work. A great way not to have to buy a new battery each year.