51.2V Power LiFePo4 Stacked Battery Pack Pile Up
  • 51.2V Power LiFePo4 Stacked Battery Pack Pile Up
  • 51.2V Power LiFePo4 Stacked Battery Pack Pile Up
  • 51.2V Power LiFePo4 Stacked Battery Pack Pile Up
  • 51.2V Power LiFePo4 Stacked Battery Pack Pile Up

51.2V Power LiFePo4 Stacked Battery Pack Pile Up

Brand : EnrSaver

Product origin : China

Delivery time : 10-30day

Supply capacity : 5000 Pcs/Day

● Capable of High-Powered Emergency-Backup and Off-Grid Functionality
● Highest Efficiency Thanks to a Real High-Voltage Series Connection
● The Quick Plug Connector Design Quick Wiring and Allows for Maximum Flexibility and Ease of Use
● Grand A Lithium Iron Phosphate (LFP) Battery: Maximum Safety, Life Cycle, and Power
● Compatible With Leading High Voltage Battery Inverters
● Highest Safety Standards
● The 51.2V LiFePO4 battery modules can be customized, also 50Ah and 400Ah capacity.

51.2V Power LiFePo4 Stacked Battery Pack Pile Up

  1. Battery Specification (@25±5°C°C)



    NO.


    Items


    Characteristics

    1.1

    Nominal capacity

    100Ah

    1.2

    Mix. capacity

    98Ah

    1.3

    Nominal energy

    1280Wh

    1.3

    Combination structure of battery

    23140160-4S2P

    1.4

    Nominal voltage

    12.8V

    1.5

    End of discharge voltage

    10.8V

    1.6

    Standard charge voltage

    14.6±0.2V

    1.7

    Float charge voltage

    13.8V

    1.8

    Standard charge current

    20A

    1.9

    Recommended charge current

    <20A

    1.10

    Allowed Max. charge current

    70A

    1.11

    Standard charge current

    20A

    1.12

    Recommended charge current

    <50A

    1.13

    Allowed Max. charge current

    100A

    1.14

    Peak current

    250A,10Sec

    1.15

    Internal Resistance

    <40mQ

    1.16

    Weight

    Approx.12.0kg±5%

    1.17

    Ex-factory capacity

    Approx.50% SOC

    1.18


    Operation temperature

    Discharge

    -20C~60C

    Charge

    0C~45C

    1.19


    Storage environment

    <1Month

    -20〜+60C、5〜75%RH

    <6Month

    -10〜+45C、5〜75%RH

    Recommend environment

    15〜+35C、5〜75%RH

  2. Electrical Characteristics & Test Condition

    Testing Conditions: Ambient Temperature: 25±5°C; Humidity:45%~75%.

    Normal charge: Charge battery under CC(0.2C)/CV(14.4V) mode until thecharge current reduce to 0.02C, and then rest for 1h.



    No.


    Items


    Standard


    Test condition

    2.1


    Normal capacity

    3100Ah


    After Normal charge, discharge @0.2C current to theend of discharge voltage.

    2.2


    InternalImpedance

    <40mQ


    @50% SOC @1kHz AC internal resistance test Instrument.

    2.3


    Short circuitprotection


    Auto cutoff load when short circuit


    Connect the positive and negative of this battery packthrough a lead with 0.1 Q resistance.

    2.4


    Dischargetemperature

    Characteristic

    -20C/25C>45%


    -10C/25C>70%



    0°C/25°C285%


    Battery shall be charged according to standard charge, discharged at 0.5C to 10.8 V. Batteryshall be stored for 4 hours at the test temperature prior to discharging and then shall be discharged at the test temperature, The percentage shall be calculated using discharging capacity compared to the minimum capacity.

    25°C/25W00%

    55C/25C>95%

    2.5


    Discharge performance in normal temperature


    Discharge capacity 0.2C >100% 1C >95%

    2C>85%


    When the battery is in the environment of25 C ±2 C, after standard charging, rest for 10min, and then discharge to 10.8v with 0.2C, 1C, 2C. Calculate the ratio of discharge capacity to rated capacity at each multiple.

    2.6


    Capacityretention rate


    Capacityretention390% Capacity recovery 395%


    Measure the initial state and capacity of the battery, after standard charge, then rest for 28 days, measure the final state of the battery; discharge at 0.2C to 10.8 V, measure the remaining capacity of the battery. After standard charging, the battery is discharged at 0.2C to 10.8 V to measure its recovery capacity. It can be cycled three times.

    2.7


    Cyclelife@D0D100%

    32000 cycles


    After Normal charge,discharge @0.5C current to theend of discharge voltage. Repeat above process untildischarge capacity reduce to 70% of initial value.

  3. Circuit Protection

    The batteries are supplied with a LiFePO4 Battery Management System (PCB)thatcanmonitor and optimized each single prismatic cell during charge & discharge, to protect thebattery pack overcharge, over discharge, short circuit. Overall, the BMS helps to ensuresafe and accurate running.



    NO.


    Item


    Content


    Parameter

    3.1


    Over charge


    Over-charge protection for each cell

    3.65±0.05V


    Over-charge protection for battery

    14.6±0.20V


    Over-charge protection delay time

    0.5-2S


    Over-charge release method


    Cell voltage<3.50±0.05V and battery voltage <14.0±0.20V or


    Discharge current>2A

    3.2


    Over charge current


    Charge over current protection 1

    90±20A Charge current 90±20A


    Charge over current protection delay time

    300~800mS


    Charge over current release


    Cut load,Auto Recovery or discharge current>2A

    3.3


    Over discharge


    Over-discharge protection for each cell

    2.3V±0.10V


    Over-discharge protection for battery

    10.8±0.30V


    Over-discharge protection delay time

    0.5-1.5S


    Over-discharge release method


    Cell voltage>2.70±0.05V and battery voltage >11.2±0.20V or charge current >2A

    3.4


    Over discharge current


    Discharge over current protection


    Discharge current 300±30A


    Discharge over current protection

    50~150mS





    delay time



    Discharge over current release


    Cut load,Auto Recovery or charge current>2A

    3.5


    Temperature


    Charging high temperature protection

    50±5°C


    Charge Over-temperature release method

    40~45°C


    Charging low temperature protection

    0±5C


    Discharge over temperature protection

    70±5C


    Disharge Over-temperature release method

    50~60C


    Discharge low temperature protection

    -20±5C


    PCB temperature protection

    90±5C


    PCB Over-temperature release method

    90±5C


    temperature protection delay time

    <10S

    3.6


    Cell balance


    Balance Start Voltage

    3.525±0.025V


    Balance current

    36±10mA











  4. Battery usage specification


    4.1 When the battery is used alone, it can be used directly.

    4.2 When the battery needs to be used in parallel or in series, each battery shall be fully charged according to the standard charging method before parallel or in series.

    4.3 The maximum series number of batteries shall not exceed two, and the parallel number shall not exceed four.

  5. Transport & Store


    When long-time storage, the battery SOC is 30% ~ 50% , if high-SOC storage will accelerate the battery capacity degradation.

    The battery need to be charged every 6 months if out of use

    No fall down, no pile up over 10 layers, and keep face up.

  6. Warning & Tips.

    Please read and follow the handling instructions before use. Improper use may cause heat, fire,rupture, damage or capacity deterioration of the battery. TOPAK POWER TECHNOLOGY CO., LTD. Describes is not responsible for any accidents caused by the usage without following our handling instructions.

    Warning


    Battery must be far away from heat source, high voltage, and no exposed in sunshine for long time. Never throw the battery into water or fire;

    Never reverse two electrodes when use the battery;

    Never connect the positive and negative of battery with metal;

    Never knock, throw or trample the battery;

    Never disassemble the battery without manufacturer's permission and guidance.

    Never use mixed with other type of battery;


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