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Battery Pack Information Lookup

Get Data of Your Gobel Power Battery
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GP-SR1-PC200 Premium Example: GPEV280H240520R1006
GP-SR1-PC200 Standard Example: GPHC280H240401R1003
GP-SR1-PC200 Standard Example: GPEV280H240927R1001
GP-SR1-PC200 Basic Example: GPCN280L240809R1001
GP-SR1-PC314 Premium Example: GPEV314H240921R1012
GP-SR3-PC100 Example: GPEV100H240930R1003
GP-LA12-280AH Premium Example: GDEV280H240307R1008
GP-LA12-280AH Standard Example: GDHC280H240312R1401
More Examples
SN Capacity (Ah) Max Charge Voltage (V) Min Discharge Voltage (V) BMS
GPHC280H240822R1203 295.00 57.63 43.50 GP-JK200 BMS
GPEV280H241111R1009 304.00 57.55 42.26 GP-PC200 BMS
GPEV280H231030R1007 300.00 57.99 45.55 GP-PC200 BMS
GPHC280H240506R1008 294.00 56.83 41.49 GP-PC200 BMS
GPEV280H240616R1018 306.00 57.98 40.83 GP-PC200 BMS
GPRP280L231012R1012 290.00 57.15 40.49 GP-PC200 BMS
GPEV280H240515R1006 301.00 58.00 42.48 GP-PC200 BMS
GPEV280H231019R1035 300.00 57.99 42.74 GP-PC200 BMS
GPRP280L240316R3101 283.00 57.06 45.07 GP-JK200 BMS
GPHC280H240910R1602 293.00 57.03 42.51 GP-PC200 BMS
GPRP280L231115R3601 282.00 57.53 41.15 GP-PC200 BMS
GPEV280H240910R1013 307.00 57.70 41.45 GP-PC200 BMS
GPEV280H231019R1010 301.00 57.67 41.67 GP-PC200 BMS
GPHC280H240604R2902 295.00 57.20 40.66 GP-PC200 BMS
GPEV280L230913R2914 285.00 56.59 40.70 GP-PC200 BMS
GPHC280H240422R1205 293.00 57.53 42.43 GP-JK200 BMS
GPHC280H241021R1005 293.00 57.56 41.62 GP-PC200 BMS
GPEV314H241105R1007 326.00 57.98 41.68 GP-PC200 BMS
GPEV280H241014R1007 306.00 57.55 41.95 GP-PC200 BMS
GPEV280L230801R2216 288.00 57.19 40.36 GP-PC200 BMS
Specification of The Battery

Pack SN:GPEV314H241105R1007
Pack Type: 51.2V LiFePO4 Battery
Pack Grade: Premium
BMS Type: GP-PC200 BMS
Balancer: 4A Bluetooth Active Balancer
Heater: Without Heater
Cell Type: EVE 314Ah
Cell Grade: HSEV
Cells Connection: 16S1P
Pack Test Result

Full Capacity: 326.00 Ah (16.69 kWh)
Max Charge Voltage: 57.98 V
Min Discharge Voltage: 41.68 V
Charge Test Steps
  • Charging at a constant current of 100A, with a maximum charging voltage of 55.5V.
  • Charging at a constant voltage of 55.5V, with a cutoff current of 40A.
  • Charging at a constant current of 40A, with a maximum charging voltage of 58V.
  • Document the maximum charging voltage when the voltage of a single cell reaches 3.65V.
  • * Tested without deliberated active balance procedure.
Discharge Test Steps
  • Discharging at a constant current of 100A.
  • Document the minimum discharging voltage when the voltage of a single cell reaches 2.5V.
  • * Please be aware that the charge/discharge curve and capacity of batteries can vary with changing temperatures throughout the seasons. In winter, tested capacity will be relatively lower.
Charge/Discharge Curve
(Based on GPEV314H241105R1007 Test Data)

Cells Information

Cell Id QR Capacity (Ah) OCV1 (mV) OCV2 (mV) OCV3 (mV) RI1 (mΩ) RI2 (mΩ) RI3 (mΩ) Thick (mm) Test Date
1 7 04QCB43G39500JE7A0004125 334.49 3,267.1 3,265.3 3,293.7 0.1860 0.1899 0.1795 71.65 2024-10-24
2 57 04QCB43G39500JE7A0004027 334.47 3,266.9 3,265.2 3,293.6 0.1887 0.1905 0.1793 71.60 2024-10-24
3 100 04QCB43G39500JE7A0003232 334.49 3,266.6 3,264.5 3,293.6 0.1852 0.1883 0.1792 71.61 2024-10-24
4 114 04QCB43G39500JE7A0001708 334.47 3,266.4 3,264.0 3,293.3 0.1886 0.1889 0.1810 71.60 2024-10-24
5 143 04QCB43G39500JE7A0002081 334.47 3,267.0 3,265.1 3,293.5 0.1895 0.1927 0.1836 71.62 2024-10-25
6 151 04QCB43G39500JE7A0002927 334.47 3,266.8 3,265.1 3,293.8 0.1899 0.1915 0.1785 71.41 2024-10-24
7 158 04QCB43G39500JE7A0003134 334.47 3,266.9 3,264.8 3,293.9 0.1882 0.1896 0.1768 71.62 2024-10-24
8 169 04QCB43G39500JE7A0003042 334.51 3,266.9 3,264.6 3,293.6 0.1886 0.1882 0.1772 71.60 2024-10-24
9 176 04QCB43G39500JE7A0003143 334.47 3,267.1 3,264.7 3,293.7 0.1857 0.1884 0.1765 71.60 2024-10-24
10 179 04QCB43G39500JE7A0004543 334.49 3,267.4 3,265.3 3,293.9 0.1878 0.1873 0.1758 71.60 2024-10-24
11 184 04QCB43G39500JE7A0004336 334.49 3,266.9 3,265.0 3,293.5 0.1902 0.1902 0.1798 71.58 2024-10-24
12 191 04QCB43G39500JE7A0004333 334.49 3,267.2 3,265.3 3,293.8 0.1882 0.1897 0.1795 71.60 2024-10-24
13 222 04QCB43G39500JE7A0002335 334.49 3,267.2 3,264.9 3,293.6 0.1927 0.1906 0.1800 71.60 2024-10-25
14 232 04QCB43G39500JE7A0003999 334.51 3,267.1 3,265.1 3,293.9 0.1867 0.1877 0.1766 71.43 2024-10-25
15 250 04QCB43G39500JE7A0001756 334.51 3,266.7 3,264.6 3,293.6 0.1874 0.1906 0.1821 71.63 2024-10-25
16 272 04QCB43G39500JE7A0003187 334.47 3,267.1 3,265.0 3,294.2 0.1830 0.1866 0.1711 71.61 2024-10-25
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Why Cells Consistency is Important?

Cell consistency in a LiFePO4 (Lithium Iron Phosphate) battery, or indeed any type of battery, refers to the uniformity of the performance and characteristics of the individual cells within the battery.

When a battery is made up of multiple cells, it's important that each cell has the same capacity, internal resistance, self-discharge rate, and other performance characteristics. This is because the overall performance of the battery is only as good as its weakest cell. If one cell has a lower capacity or higher internal resistance, it can reduce the performance of the entire battery, and can even lead to premature failure of the battery.

In a series configuration, the same current flows through all cells. If one cell has a lower capacity, it will discharge faster than the others. Once this cell is fully discharged, the overall battery voltage will drop significantly, even though the other cells still have charge left. This can lead to underutilization of the overall battery capacity.

In a parallel configuration, all cells share the same voltage. If one cell has a higher self-discharge rate, it will drain the other cells to balance its voltage, leading to a faster overall discharge rate.

Moreover, inconsistencies between cells can lead to issues with balancing. Balancing is the process of ensuring all cells in a battery are at the same state of charge. This is typically done by either transferring charge from higher charged cells to lower charged ones (active balancing), or by dissipating excess charge in the higher charged cells (passive balancing). If the cells are inconsistent, it can make balancing more difficult and less effective.

Therefore, cell consistency is crucial for maximizing the performance, longevity, and safety of a battery. This is why Gobel Power puts a lot of effort into cell selection and sorting, to ensure that only cells with similar characteristics are used together in a battery.

Static parameters such as capacities, internal resistances, and voltage levels, though informative, may not provide a comprehensive picture of cell consistency in a LiFePO4 (Lithium Iron Phosphate) battery. A more practical and straightforward method to assess cell consistency involves monitoring the maximum charge voltage when a single cell reaches 3.65V. This is based on the understanding that if the cells exhibit good consistency, the voltage variation across them will be minimal, resulting in a higher overall maximum charge voltage. Therefore, observing the maximum charge voltage when one cell attains 3.65V can serve as a reliable indicator of the battery's cell consistency.

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