- Thread starter
- #21
i was looking at the red tops! now if the optima guy is still on here what is the guarantee on the red top.
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Hello, I noticed your conversation regarding our batteries and wanted to offer some assistance. Our batteries have always been a SpiralCell, AGM design and have never been “gel” batteries, although some retailers may incorrectly advertise them as such, to generate more traffic on the Internet. In normal situations, our batteries can be treated just like a regular, flooded lead-acid battery. However, chargers with “gel” or “AGM/gel” settings should be avoided, because they will not fully-charge an Optima and could damage it over time.
If your application has heavy electrical demands, including winches, refrigerators or other similar items, we strongly recommend a dual-purpose YellowTop battery. RedTops are not designed or warrantied for deep-cycle applications, including winches. The quality of our batteries has always been excellent and continues to improve. Many of the “bad” batteries returned to us now are just deeply-discharged and work fine, when properly recharged.
Many battery chargers will not recognize or charge any battery that has been discharged below 10.5 volts and some manufacturers will void the warranty of their batteries, if they have been discharged below 10 volts. Deeply-discharged Optimas can be recharged with such chargers, by using the parallel charging technique described in this video- http://www.youtube.com/watch?v=dIoaL3DWWEg
Fully-charged, RedTops should read approximately 12.6-12.8 volts and YellowTops should read approximately 13.0-13.2 volts. If you can fully-charge your Optima and it can hold close to that level of charge for 12-24 hours, while disconnected from everything, it should be OK. If the battery holds voltage out of your vehicle, but loses voltage when connected to your vehicle, you may have a parasitic draw in your vehicle that needs attention.
All batteries spend their entire existence either charging or discharging, even if it’s only a very slow rate, while in storage. If a battery is allowed to sit long enough and discharge below 12.4 volts, sulfation will begin to diminish performance and lifespan. That makes a battery tender or maintainer a great investment for any vehicle that only sees occasional use. If you have any questions about our batteries, please don’t hesitate to ask.
Jim McIlvaine
eCare Manager, OPTIMA Batteries, Inc.
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no it is not, read through this thread you will see the batteries you are looking for , the diehard platinum is an agm made by Odyssey!