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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
GPEV100H240930R1005 104.00 58.00 42.41 GP-PC100 BMS
GPEV280H230705R1024 304.00 57.05 41.48 GP-PC200 BMS
GPRP280L231115R2901 296.00 57.99 41.40 GP-PC200 BMS
GPEV280H240620R1016 303.00 57.50 40.88 GP-PC200 BMS
GPEV280H240314R1016 305.00 58.00 41.47 GP-PC200 BMS
GPEV280H231220R1003 294.00 58.00 43.70 GP-PC200 BMS
GPRP280L231107R3201 284.00 56.26 42.91 GP-PC200 BMS
GPHC280H240515R1401 295.00 57.67 40.77 GP-PC200 BMS
GPEV280H241111R1002 306.00 57.65 41.54 GP-PC200 BMS
GPEV280L230801R1502 285.00 57.31 42.54 GP-RN150 BMS
GPEV304L230926R1003 314.00 57.99 41.03 GP-PC200 BMS
GPHC280H240506R1002 294.00 56.92 41.46 GP-PC200 BMS
GPHC280H240930R1202 292.00 56.96 41.21 GP-JK200 BMS
GPEV280H240505R1015 306.00 58.00 42.90 GP-PC200 BMS
GPEV280H230625R1028 306.00 57.71 40.66 GP-PC200 BMS
GPEV280L230801R3401 287.00 56.31 41.99 GP-PC200 BMS
GPHC280H240515R1501 294.00 57.61 41.81 GP-PC200 BMS
GPHC280H240820R1003 295.00 57.06 41.47 GP-PC200 BMS
GPEV280H241026R1002 307.00 57.59 41.80 GP-PC200 BMS
GPEV280H240401R1015 304.00 58.00 44.45 GP-RN200 BMS
Specification of The Battery

Pack SN:GPEV280H240814R1012
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: 305.00 Ah (15.62 kWh)
Max Charge Voltage: 56.57 V
Min Discharge Voltage: 42.70 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 GPEV280H240814R1012 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 11 04QCB76G28003JE6B0006355 314.30 2,798.4 2,796.4 3,297.0 0.1568 0.1570 0.1504 72.90 2024-07-29
2 60 04QCB76G26803JE730008318 314.19 2,795.2 2,788.4 3,297.6 0.1547 0.1560 0.1525 71.84 2024-07-29
3 116 04QCB76G27003JE6R0008213 314.28 2,797.3 2,794.0 3,297.6 0.1590 0.1569 0.1523 72.34 2024-07-29
4 130 04QCB76G27003JE6R0005073 314.30 2,786.5 2,781.1 3,297.3 0.1553 0.1577 0.1539 71.59 2024-07-29
5 165 04QCB76G27303JE6F0003152 314.16 2,799.0 2,796.0 3,297.1 0.1568 0.1566 0.1550 71.82 2024-07-29
6 175 04QCB76G27703JE6L0005515 314.30 2,785.9 2,781.0 3,297.3 0.1567 0.1567 0.1538 72.36 2024-07-29
7 201 04QCB76G47503JE6V0004761 314.16 2,792.0 2,788.9 3,297.7 0.1556 0.1560 0.1538 71.64 2024-07-29
8 243 04QCB76G57603JE710006130 314.18 2,796.7 2,793.0 3,297.6 0.1541 0.1561 0.1510 71.75 2024-07-29
9 262 04QCB76G27703JE6L0001479 314.18 2,798.6 2,793.9 3,297.1 0.1568 0.1588 0.1548 71.78 2024-07-29
10 278 04QCB76G27303JE6F0000147 314.21 2,800.6 2,798.3 3,297.1 0.1556 0.1558 0.1543 71.99 2024-07-29
11 295 04QCB76G26803JE6N0002724 314.21 2,784.2 2,779.4 3,297.5 0.1564 0.1549 0.1556 72.67 2024-07-29
12 338 04QCB76G40803JE6P0003612 314.26 2,788.2 2,783.8 3,297.4 0.1575 0.1570 0.1558 71.71 2024-07-29
13 345 04QCB76G27003JE6R0007818 314.20 2,796.5 2,793.7 3,297.5 0.1557 0.1580 0.1540 71.83 2024-07-29
14 351 04QCB76G26803JE6N0007293 314.20 2,792.6 2,787.2 3,297.3 0.1549 0.1558 0.1505 71.76 2024-07-29
15 354 04QCB76G27003JE6R0007836 314.20 2,797.2 2,794.0 3,297.5 0.1579 0.1562 0.1545 71.78 2024-07-29
16 367 04QCB76G26703JE6M0002865 314.24 2,793.4 2,790.5 3,297.3 0.1564 0.1583 0.1518 72.40 2024-07-29
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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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