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Firefly OASIS G31 User Manual

4v/450ah
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Congratulations on your purchase of a Firefly Oasis Battery!
The Firefly batteries use a patented carbon Microcell Foam grid structure that is highly resistant to
sulfation and grid corrosion. They have the longest life of any lead acid battery used for deep cycling,
even at extreme temperatures and operation at less than full charge.
The Firefly batteries have many advantages over a traditional lead acid battery:
Plate corrosion is inhibited.
●
Plates are resistant to sulfation.
●
The high plate porosity allows the electrolyte to reach more efficiently.
●
Please read through this entire manual. Failure to follow installation and charging instructions will void
the warranty.
Receiving & Refreshing Charge
● Check the Individual battery voltages , It will be around 12.90 V for a fully charged 12V G31 Battery
and 4.30V for 4V/450AH battery.
Firefly User's Manual for the
"OASIS" G31 & 4V/450AH
August 2021

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Summary of Contents for Firefly OASIS G31

  • Page 1 Firefly User’s Manual for the “OASIS” G31 & 4V/450AH August 2021 Congratulations on your purchase of a Firefly Oasis Battery! The Firefly batteries use a patented carbon Microcell Foam grid structure that is highly resistant to sulfation and grid corrosion. They have the longest life of any lead acid battery used for deep cycling, even at extreme temperatures and operation at less than full charge.

  • Page 2: Mounting Orientation

    ● Freshening charge shall be carried out using a CCCV ( Constant current _Constant voltage) charger as per OCV voltage observed on the batteries. ● In case the OCV (Open circuit voltage) of the battery is less than 12.30 V , the G31 battery needs to be charged @ 14.40 V (2.40 V / cell ) for 12 hrs.

  • Page 3: Series Installation

    SERIES INSTALLATION...

  • Page 4: Connecting The Battery

    4V/450Ah CONNECTION The battery will be shipped with the connection bar shown above. This connects the 2 cells inside the module in series making the battery 4V and 450Ah. For a 12V x 450Ah bank, connect 3 x 4V/450Ah in series (3S). For 24V x 450Ah, connect 6 in series (6S). For 900Ah x 12V, it must be 3S x 2P (3 batteries in series and then parallels with the other series string).
  • Page 5 underneath. Read through this entire section for complete charging information. Failure to charge according to the recommended guidelines will void the warranty. Note that there needs to be a means to charge at a rate of 0.2C (24A for a G31) for the “Periodic Fast &...
  • Page 6 30 days. Ideally the batteries will be charged at a current of 0.4C (46 Amps for an Oasis G31) but a minimum of 0.2C (24A per G31 battery) is acceptable. These charge cycles should end with a 24 hour float charge at 13.5V for the G31 and 4.5V for the 4V 450Ah model.
  • Page 7 (77°F). As a rule of thumb, every 8-10°C (14-18°F) rise in temperature will cut the battery life in half. Note that continuous duty at elevated temperature will shorten the life of any battery. sub zero ambient at CCCV charging , reduce the limit current to 0.1C Amps instead of 0.4C rate charging for prolonged duration.

  • Page 8: Emergency Procedures

    Safety For any operation on the batteries, from storage to recycling, the following safety rules should be observed: ∙ Do not smoke. ∙ Use tools with insulated handles to tighten connections. ∙ Check that the connections between the cells / monoblocs are fitted ∙...

  • Page 9: Storage Conditions

    Firefly’s Group 31 battery meets the non-spillable criteria. It is exempted from CFR 49, Subchapter C requirements, which translates to no proper shipping name, no hazardous class, no UN number, no packaging group and no hazardous labels when transporting, provided that the following criteria are met: 1.
  • Page 10 Avoid storing unpacked cells / monoblocs on sharp-edged supports. It is recommended to have the same storage conditions within a batch, pallet or room. The storage location should provide the following functions: ● Shelter the cells / monoblocs from harsh weather and risk of flooding. ●...

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