Battery Tender 022-0148-DL-WH 12-Volt 4-Bank Battery Management System

• Spark-proof and reverse polarity/short circuit protection
• Contains four independent stations capable of simultaneously charging at 12 volts/1.25 amps per charging bank
• Perfect for all AGM (absorbed glass mat), sealed maintenance free and flooded batteries
• Microprocessor-controlled constant current charging and temperature compensated to ensure optimum charge voltage according to ambient temperature
• Extremely lightweight at less than 3 lbs

I purchased the Battery Tender 4 bank charger-maintainer in June of 2009 through Amazon. Its primarily use was to maintain batteries in my motorhome. After 9 months of continuous use one bank quit working. The unit was listed as having a 2 year warranty, but when I called Deltran Corporation I was advised there was a $25 evaluation fee, even though it was still within the warranty period. There was nothing in the instruction booklet that prepared me for this. It showed the length of warranty for each of their maintainers, but no mention of evaluation fees. I was politely told that this information was posted on their website. Their website indeed showed the "evaluation fees" for each of their products. Basically all repairs are free for the first 90 days, after that you have to pay the evaluation fee. This applies to all the Battery Tender chargers-maintainers. Since the repair, there has been no further problems. It has been in use now for 17 months. Would I have purchase it had I know about the goofy warranty? NO. I am not bummed out about the failure of the unit, "things happen", but I am with regards to the warranty. My advice would be to visit their website and completely understand the warranty before you purchase any of their maintainers.

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I've been riding for well over 20 yrs and the Deltran Battery Tender is one of the greatest products you can buy for your cycle!!

In the early years, I was playing with trickle chargers and/or starting the bike once or twice a month over the winter months, only to always seem to be pushing the bike down the alley come spring, trying to pop the clutch to get her started because the battery didn't make it through the winter with a decent charge....again!

About 10 years ago I bought a Battery Tender Plus at a cycle shop's open house. They were rather expensive then, but thought it worth a try considering the sale price. Loved it!!! Still have that original one, although I have been through a couple of the Jrs.

With 5 streetbikes in the garage, it seemed like a no brainer to invest in this 4 bank version. Did a little shopping around and found this to be the best deal. I had read somewhere, (although can't recall where), that this model had leads 12 ft long, so I didn't see the need for the extentions. Wrong!!! Leads are only 4.5 ft long each, so I wish I would've got the extentions. 25ft is a bit long and I have seen 12ft elsewhere.

Again, fantastic product for the off season or if you're fortunate enough to have a multiple bike stable!!

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This is a great product that I don't know how I got along without. We have a couple of riding lawn mowers, ATV, and off road vehicles. Every spring we had to deal with replacing batteries, and during the summer after a few weeks of idle time we would have weak or depleted batteries. We have setup all of the equipment with quick connects. Everything stays charged and ready for use. In the dead of winter when we needed to pull equipment out it started without incident. This spring the savings in replacd batteries paid for the unit. Great product.

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Very pleased with the 4-bank battery tender. I have four motorcycles in the garage and have shuffled four "single" battery chargers for years. This 4-bank system is remarkable easy to set-up and use. Plug it in and forget about it. I recommend getting 4 of the battery connection extensions because the connections on the tender are only a couple of feet long. Considered purchasing directly from Deltran, but then discovered it on Amazon.com for almost half the price. Heck of a deal.

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I purchased the 4-Bank after having the Jr. and the 2-Bank. The more I used the others the more uses I had for them. If I had known how much I liked and needed one I would have bought the 4-Bank first. One bad point are the leads from the charger about 6' you will need some extentions but they are not to much (cost), and come in many lengths and work perfect.