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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
GPEV280H240923R1006 305.00 57.28 41.94 GP-PC200 BMS
GPEV314H241015R1014 326.00 57.98 41.25 GP-JK200 BMS
GPHC280H240413R1004 294.00 56.63 41.47 GP-PC200 BMS
GPEV280H231220R1003 294.00 58.00 43.70 GP-PC200 BMS
GPEV280H240401R1007 305.00 58.00 42.74 GP-RN200 BMS
GPEV280H240710R1008 303.00 57.99 41.28 GP-PC200 BMS
GPEV280H240620R1022 304.00 56.82 41.26 GP-PC200 BMS
GPEV314H241101R1011 326.00 57.03 42.05 GP-PC200 BMS
GPEV280L230801R2406 290.00 57.54 40.47 GP-PC200 BMS
GPEV280H240112R1014 299.00 57.99 42.55 GP-PC200 BMS
GPEV280H240710R1020 303.00 58.00 41.45 GP-PC200 BMS
GPEV280H230616R1029 303.00 57.37 41.90 GP-PC200 BMS
GPEV280H240520R1011 304.00 57.99 42.52 GP-PC200 BMS
GPRP280L231107R1901 288.00 56.39 41.80 GP-PC200 BMS
GPEV100H240826R1003 105.00 57.08 40.23 GP-PC200 BMS
GPEV314H241015R1011 325.00 56.79 42.05 GP-PC200 BMS
GPEV280L230523R1012 286.00 57.02 40.99 GP-PC200 BMS
GPEV280H241014R1006 306.00 57.24 42.07 GP-PC200 BMS
GPHC280H240615R1201 294.00 56.10 41.40 GP-PC200 BMS
GPEV280H240520R1015 299.00 58.00 42.05 GP-PC200 BMS
Specification of The Battery

Pack SN:GPHC280H241021R1201
Pack Type: 51.2V LiFePO4 Battery
Pack Grade: Standard
BMS Type: GP-PC200 BMS
Balancer: 4A Bluetooth Active Balancer
Heater: Without Heater
Cell Type: Hithium 280
Cell Grade: HSEV
Cells Connection: 16S1P
Pack Test Result

Full Capacity: 291.00 Ah (14.90 kWh)
Max Charge Voltage: 56.99 V
Min Discharge Voltage: 42.27 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 GPHC280H241021R1201 Test Data)

Cells Information

Cell Id QR Capacity (Ah) OCV1 (mV) RI1 (mΩ) Self Discharge Thick (mm) Test Date
1 12 0IJCBA0B471111DCM0003474 300.14 3,284.2 0.1702 0.0121 71.67 2023-12-23
2 22 0IJCBA0B471111DCM0004726 300.15 3,284.5 0.1757 0.0187 71.67 2023-12-23
3 24 0IJCBA0B471111DCM0004163 300.03 3,284.6 0.1739 0.0185 71.63 2023-12-23
4 33 0IJCBA0B471111DCM0003256 300.14 3,285.0 0.1719 0.0117 71.69 2023-12-23
5 37 0IJCBA0B471111DCK0004363 300.09 3,283.3 0.1710 0.0190 71.67 2023-12-23
6 40 0IJCBA0B471111DCM0004742 300.26 3,284.5 0.1719 0.0190 71.68 2023-12-23
7 63 0IJCBA0B471111DCM0003503 300.16 3,284.5 0.1707 0.0186 71.66 2023-12-23
8 76 0IJCBA0B471111DCM0005015 300.21 3,284.3 0.1741 0.0183 71.84 2023-12-23
9 78 0IJCBA0B471111DCM0003693 300.30 3,284.7 0.1748 0.0185 71.68 2023-12-23
10 103 0IJCBA0B471111DCK0007474 300.06 3,283.3 0.1699 0.0191 71.90 2023-12-23
11 117 0IJCBA0B471111DCM0002682 300.02 3,284.1 0.1753 0.0188 71.68 2023-12-23
12 118 0IJCBA0B471111DCM0005867 300.10 3,285.0 0.1740 0.0135 71.72 2023-12-23
13 124 0IJCBA0B471111DCM0005943 300.03 3,284.4 0.1729 0.0186 71.64 2023-12-23
14 131 0IJCBA0B471111DCM0004692 300.00 3,283.4 0.1742 0.0190 71.67 2023-12-23
15 139 0IJCBA0B471111DCM0003518 300.27 3,284.5 0.1720 0.0190 71.78 2023-12-23
16 153 0IJCBA0B471111DCM0002701 300.16 3,284.5 0.1726 0.0102 71.71 2023-12-23
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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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