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6.4V 2800mah LiFePO4 Rechargeable Battery Pack 2S2P With JST Connectors

Categories Lifepo4 Battery Pack
Brand Name: HKANON
Model Number: 6.4V2800mAh
Certification: CE
Place of Origin: CHINA
MOQ: 10PCS
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 20KPCS/Month
Delivery Time: 10 days
Packaging Details: 10PCS/Carton
Name: 6.4v 2800mah lifepo4 battery pack
Cell inside: 3.2V 1500mAh 18650 cells
Cell combine: 2S2P-4PCS
PCB board: Yes
Continuous Current: 3A
Max. Pulse Current: 5A
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    6.4V 2800mah LiFePO4 Rechargeable Battery Pack 2S2P With JST Connectors

    2S2P 6.4V 2800mah LiFePO4 Rechargeable Battery Pack with JST Connectors


    Electrical Characteristics

    Nominal Voltage - 6.4V

    Nominal Capacity – 3000mAh

    Energy - 19.2Wh

    Internal Resistance - ≤90mΩ

    Cycle Life -> 2000 cycles @1C 100%DOD( see below picture )

    Months Self Discharge - <9%

    Efficiency of charge - 100% @0.2C

    Efficiency of discharge - 96~99% @1C

    Standard Charge

    Charging voltage - 7.3V +/- 0.1V

    Charge mode - 0.2C to 7.3V , then 7.3V charge current to 0.02C (CC/CV)

    Standard Charger current - 350mAh

    Fast charge current - 1Amp

    Charge cut off voltage - 7.3V ( 3.65V * 2 series )

    Standard Discharge

    Continuous Current - 3A

    Max. Pulse Current - 6A (<5s)

    Discharge cut off voltage – 5V ( 2.5V *- 2 series )

    Rated power : 19.2W

    Environmental

    Charge Temperature - 0 ℃ to 45 ℃ (32F to 113F) @60±25% Relative Humidity

    Discharge Temperature - -20 ℃ to 60 ℃ (-4F to 140F) @60±25% Relative Humidity

    Storage temperature - 0 ℃ to 40 ℃ (32F to 104F) @60±25% Relative Humidity

    Mechanical

    Cell & Method - 3.2V 1500mAh 18650 lifepo4 cell -2S2P - 4PCS cells

    Body casing – PVC + PET case

    Battery Dimensions -40*145*70mm

    Battery weight : 210g

    Application

    Led lights , easy to make in parallel or in series .



    Lithium-ion vs Lead-Acid cost analysis


    We take the example of a solar installation for a standalone building (Self Sufficient Home). The storage capacity for the battery is 50KWh.

    The application need is summarized in the above table:

    SPECIFICATIONSVALUE

    Stored Energy
    50KWH
    Cycling frequency1 x discharge/charge per day
    Average ambient temperature23°C
    Expected Lifespan2000 Cycles, or 5.5 years

    The costs of delivery and installation are calculated on a volume ratio of 6:1 for Lithium system compared to a lead-acid system. This assessment is based on the fact that the lithium-ion has an energy density of 3.5 times Lead-Acid and a discharge rate of 100% compared to 50% for AGM batteries.


    Based on the estimated lifetime of the system, the lead-acid battery solution-based must be replaced 3 times. Lithium-Ion solution-based is not replaced during operation (2000 cycles are expected from the battery at 100% DoD cycles)


    The cost per cycle, measured in € / kWh / Cycle, is the key figure to understand the business model. To calculate it, we consider the sum of the cost of batteries + transportation and installation costs (multiplied by the number of times the battery is replaced during its lifetime). The sum of these costs is divided by the net consumption of the system (50kWh per cycle, 365 cycles per year, 5.2 years of use).

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