Duracell D2A 2 AMP 12V Battery Maintainer / Charger | 
| Brand: Duracell
Category: Automotive Parts and Accessories
List Price: $29.99
Buy New: $23.04
as of 3/18/2010 01:36 CDT details
You Save: $6.95 (23%)
New (16) from $23.04
Seller: Amazon.com
Rating:  21 reviews
Sales Rank: 587
Media: Misc.
Batteries Included: No
Shipping Weight (lbs): 1.7
Dimensions (in): 5.1 x 2.9 x 8.9
Legal Disclaimer: We do not in any way represent that any part we sell is legal to possess in your jurisdiction. Check with you local authorities to ensure it is legal for you to possess before buying!
MPN: 804002707
Model: 804-0027-07
UPC: 609525752427
EAN: 0715535890094
Release Date: September 15, 2007
Shipping: Eligible for FREE Super Saver Shipping
Availability: Usually ships in 24 hours
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| Features:
| • | Maintains and extends the life of a battery in your ATV, snowmobile, motorcycle, car or truck | | • | 2-amp constant DC output current | | • | Micro-processor controlled three-stage charging extends battery life | | • | Easy battery connection through three types of connectors provided with the unit: clip leads, DC lighter plug and ring terminals | | • | “Plug and play” charging solution; requires no installation or setup |
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| Editorial Reviews:
Product Description
Rapid Charge Technology delivers faster charging than traditional chargers. Duracell battery charges are lightweight, portable and easy to use anytime, anywhere. They are plug-and-play charging solutions that require no installation or setup, and are ideal for extending and recharging all types of 12-volt batteries. Recharge and maintain: motorcycle, ATV, snowmobile, personal watercaft and lawn tractor batteries.
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| Customer Reviews:
Seems like a good long-term maintenance charger October 29, 2008
Graham (Palo Alto, CA)
39 out of 39 found this review helpful
I wanted a charger to keep my car battery charged (but not overcharged!) while I am absent on multi-week trips. So far the Duracell 2 Amp charger seems to be working well.
It is a three-stage charger. The specification says that depending on the current state of the battery, it will do a fast charge to around 80%, then a slower charge to almost full, then finally move to a lower voltage "floating" charge to keep the battery near 100% without overcharging.
I used a multimeter to watch the charging process. My battery was mostly full to start with, so the charger started charging at 14.1 volts (the slow charge mode) and then after a few hours moved to 12.7 volts (for the floating charge). These both seem appropriate voltages. In particular, the floating voltage of 12.7 volts should be safe for long-term battery maintenance.
After about two days on floating charge, my charger's red charging light finally went off. Over the next couple of weeks, when I checked the charger, the red charging light was mostly off but I occasionally noticed it on. It looks like the charger is moving between off and floating charge as needed for sustained maintenance.
I'll have to see how the charger holds up under long-term use, but so far everything looks good.
Update November 2009: I've been using this for over a year now and I continue to be very happy with it. It's pleasant to come back from a four week absence to a fully charged car battery, with zero hassles!
Great Product!! DOES WHAT IT STATES!! January 18, 2009
E. Cantu (Muscatine IA)
9 out of 9 found this review helpful
This product is great!! It also has a low price.
I bought this for the cold winters here in Iowa. I have older cars they are 96, 92, 01. I just connect them through the lighter option connection and switch them every day.
My cars always start now. No problems at all.
This charger/maintainer is perfect for older cars that tend to lose their charges during cold sub zero cold nights.
Would highly recommend!!!
Solid Machine August 25, 2009
SMN (USA)
8 out of 8 found this review helpful
I use this with my classic motorcycles and it's taken a beating. Gotten soaked and dried out. Fallen to the concrete floor on numerous occasions, and it's still running like a swiss watch.
All the connectors are great too.
Battery Maintainer September 22, 2008
Collin H. Everett (Arizona)
7 out of 7 found this review helpful
Product works as described. Connect and forget. Plenty of connection options,I especially liked the connector covers on the ring terminal connectors.
Works well especially for this price January 5, 2010
SAvery
I participate in a variety of motorsports, motorcycles, jet skis, camper, etc etc etc... I'm constantly having to keep the batteries on the various vehicles charged when it's out of season for that toy. Previously I've used the Battery tender brand of charging tools but found their price point to be a little high, so I am constantly swapping batteries from charger to charger. These so far have worked great. Simple, easy to use, clear but basic indicator lights, and you could buy four or five of these for one Battery tender device. I'm tempted to buy more in case the price goes up in the future.
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