LFP Battery used from 2024

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    • Neu

    Found some infotmation regarding the "new" LFP modules in Rept battery used in AMI, Rocks & Topolino. Charging temperature is limited between 0 - 55 C° !


    REPT CB3914895EA‑50Ah – Technical Specifications

    ItemParametersTest / Note
    Nominal Capacity50 AhTypical @0.5C discharge
    Nominal Voltage3.2 VStandard LiFePO₄ cell nominal voltage
    Operating Voltage2.5 V - 3.65 VWorking voltage range
    Internal Impedance2.0 m (AC, 1 kHz)Typical fresh cell @25 ℃
    Standard Charge/Discharge Current0.5C / 0.5CStandard operating current
    Max Continuous Charge/Discharge1C / 1C (Pulse up to ~1.2C)Maximum sustained current
    Cycle Life≥ 7,000 cycles @80% SOHTypical @0.5C/0.5C, 25 °C
    Dimensions (L x T x H)148 x 65 x 95 mm.Typical prismatic cell size for REPT CB3914895EA
    Weight1.3 kgApproximate value
    Operating Temperature (Charge)0 °C to +55 °CStandard charging range
    Operating Temperature (Discharge)-20 °C to +55 °CStandard discharge range
    • Neu

    Hello,


    Found some info from used LFP battery for sale. It seems that it is 7kWh and not 5,5 kWh as communicated in the manuals and most web pages. It is 51,52V, and consist of 3,22V modules. The advantages of this REPT battery that it is more robust and can take up to 6000 cycles or more before the degradation reaches 80%, but the cold temperature performance is not as good as in the NMC version used up to 2023. Especialy at any sub 0 temperatures.

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