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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
GPEV280H240112R1005 302.00 57.99 41.29 GP-PC200 BMS
GPHC280H240822R2901 294.00 56.39 42.29 GP-JK200 BMS
GPRP280L231212R5003 285.00 57.37 41.80 GP-PC200 BMS
GPEV314H241114R1012 327.00 57.85 41.91 GP-PC200 BMS
GPEV280L230602R2002 301.00 56.80 41.58 GP-PC200 BMS
GPHC280H240604R2902 295.00 57.20 40.66 GP-PC200 BMS
GPHC280H240506R1204 293.00 57.16 42.12 GP-JK200 BMS
GPEV314H241015R1017 323.00 57.80 43.09 GP-JK200 BMS
GPEV280H240710R1012 302.00 57.99 42.21 GP-PC200 BMS
GPEV280H230705R1018 305.00 57.30 40.95 GP-PC200 BMS
GPHC280H240710R1701 293.00 57.25 42.45 GP-JK200 BMS
GPEV280H240620R1035 305.00 57.96 40.55 GP-PC200 BMS
GPHC280H240613R2901 294.00 56.58 40.98 GP-PC200 BMS
GPEV280H241026R1003 306.00 57.90 41.84 GP-PC200 BMS
GPHC280H240615R1008 294.00 56.34 41.10 GP-PC200 BMS
GPEV280L230913R3601 287.00 57.70 41.04 GP-PC200 BMS
GPHC280H240515R1203 294.00 57.58 41.66 GP-PC200 BMS
GPHC280H240817R1003 296.00 56.95 42.66 GP-JK200 BMS
GPHC280H240605R1301 293.00 56.52 41.41 GP-PC200 BMS
GPEV280H240105R1023 304.00 57.99 42.51 GP-PC200 BMS
Specification of The Battery

Pack SN:GPEV280H241019R1007
Pack Type: 51.2V LiFePO4 Battery
Pack Grade: Standard
BMS Type: GP-PC200 BMS
Balancer: 4A Bluetooth Active Balancer
Heater: Without Heater
Cell Type: EVE LF280K
Cell Grade: HSEV-
Cells Connection: 16S1P
Pack Test Result

Full Capacity: 296.00 Ah (15.16 kWh)
Max Charge Voltage: 56.34 V
Min Discharge Voltage: 46.52 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 GPEV280H241019R1007 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 8 04QCB76G50703JE6P0002383 311.94 2,797.8 2,798.4 3,297.8 0.1536 0.1544 0.1547 71.61 2024-07-29
2 13 04QCB76G26903JE6P0008173 311.90 2,796.2 2,791.7 3,297.2 0.1566 0.1575 0.1538 71.82 2024-07-29
3 22 04QCB76G27603JE6K0008340 311.89 2,800.8 2,801.1 3,297.2 0.1575 0.1577 0.1530 71.61 2024-07-29
4 48 04QCB76G26903JE6P0008044 311.83 2,796.7 2,792.6 3,297.1 0.1564 0.1568 0.1531 71.65 2024-07-29
5 75 04QCB76G54003JE740008844 311.96 2,795.8 2,788.6 3,297.8 0.1542 0.1546 0.1528 71.54 2024-07-29
6 107 04QCB76G51103JE6S0003083 311.94 2,797.2 2,793.2 3,297.5 0.1525 0.1544 0.1538 71.92 2024-07-29
7 147 04QCB76G45303JE6V0006824 311.94 2,790.5 2,787.9 3,297.6 0.1560 0.1561 0.1536 71.68 2024-07-29
8 150 04QCB76G45303JE6V0009457 311.90 2,799.2 2,799.5 3,297.8 0.1569 0.1582 0.1548 71.62 2024-07-29
9 173 04QCB76G27503JE6J0003679 311.95 2,798.4 2,797.3 3,297.3 0.1565 0.1584 0.1541 71.60 2024-07-29
10 175 04QCB76G40403JE6N0007050 311.88 2,794.0 2,793.5 3,297.8 0.1573 0.1571 0.1556 71.60 2024-07-28
11 230 04QCB76G27503JE6J0006161 311.82 2,795.4 2,793.8 3,297.3 0.1562 0.1576 0.1527 71.66 2024-07-29
12 257 04QCB76G27303JE6G0008668 311.90 2,801.2 2,799.6 3,297.4 0.1580 0.1583 0.1545 71.63 2024-07-29
13 266 04QCB76G10603JE4C0004181 311.90 2,796.0 2,791.9 3,296.3 0.1562 0.1565 0.1536 71.48 2024-06-27
14 279 04QCB76G40803JE6R0006299 311.87 2,794.0 2,790.9 3,297.5 0.1540 0.1540 0.1527 71.58 2024-07-29
15 305 04QCB76G41203JE6S0002073 311.86 2,780.9 2,775.9 3,297.5 0.1543 0.1552 0.1523 71.53 2024-07-29
16 316 04QCB76G27103JE6S0000421 311.80 2,796.0 2,794.1 3,297.4 0.1576 0.1577 0.1536 71.61 2024-07-28
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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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