Firefly Oasis Battery - Carbon Foam AGM

There is a new AGM battery on the market called the Firefly Oasis, in terms of capacity it is like an affordable Lithium Battery with unprecedented depth of discharge of 80 to 100 percent. Developed by the heavy equipment giant, Caterpillar, this technology imbeds carbon foam into the lead grid structure found in conventional batteries. The foam allows the battery to operate or be stored at a partial state of charge for long periods without the risk of sulfation. This is the number one reason batteries fail on boats, because the batteries are not regularly charged to completion. The Firefly Oasis is currently only available in Group 31.

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Resistance to Sulfation
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High Depth of Discharge (DOD)
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Greater usable capacity
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Only available in Group 31

Comments (2)

  1. jeff moses:
    Mar 14, 2017 at 08:44 AM

    hi, I may need to replace my 4-trojan T105s this summer. would I replace these with 2 or 3 firefly 31s? I presume, although I have not yet measured, that 3 31s won't fit into 2 blue seas battery boxes? can you please advise me as to the cost of the 31s?
    thanks,
    JAM

  2. Editor 2:
    Mar 16, 2017 at 01:04 PM

    The Firefly Group 31 battery dimensions are length: 13.4” X width: 6.8” X height: 9.4. As of March 2017, the price of the Firefly Oasis battery is $691 Canadian.


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