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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
GPEV280H240710R1019 302.00 58.00 41.81 GP-PC200 BMS
GPEV280H240105R1009 304.00 57.99 41.81 GP-PC200 BMS
GPEV280H240905R1011 306.00 57.29 42.17 GP-RN200 BMS
GPHC280H240418R1003 293.00 57.08 43.51 GP-JK200 BMS
GPEV280H230911R1002 302.00 57.92 41.54 GP-PC200 BMS
GPEV280H240520R1022 303.00 58.00 43.02 GP-PC200 BMS
GPEV280H231123R1015 300.00 57.62 43.33 GP-PC200 BMS
GPHC280H240321R2902 296.00 57.25 41.21 GP-PC200 BMS
GPHC280H240418R1001 293.00 57.48 42.37 GP-JK200 BMS
GPHC280H240413R1001 295.00 56.97 41.03 GP-PC200 BMS
GPEV280H240122R1004 299.00 57.99 42.88 GP-PC200 BMS
GPEV100H241022R1001 103.00 57.98 41.27 GP-PC100 BMS
GPEV280H240105R1030 301.00 57.99 42.44 GP-PC200 BMS
GPEV314H241031R1008 326.00 57.86 42.65 GP-PC200 BMS
GPHC280H240604R2901 294.00 56.73 41.01 GP-PC200 BMS
GPEV280L230602R1006 298.00 57.01 43.08 GP-PC200 BMS
GPEV280L230711R3201 303.00 56.79 42.53 GP-PC200 BMS
GPEV280H240905R1018 306.00 57.98 42.49 GP-RN200 BMS
GPHC280H240628R1004 294.00 56.90 41.52 GP-PC200 BMS
GPEV280H240515R1012 303.00 57.99 42.22 GP-PC200 BMS
Specification of The Battery

Pack SN:GPEV280H240401R1018
Pack Type: 51.2V LiFePO4 Battery
Pack Grade: Premium
BMS Type: RN200
Balancer: 4A Bluetooth Active Balancer
Heater: Without Heater
Cell Type: EVE LF280K
Cell Grade: HSEV
Cells Connection: 16S1P
Pack Test Result

Full Capacity: 303.00 Ah (15.51 kWh)
Max Charge Voltage: 58.00 V
Min Discharge Voltage: 43.73 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 GPEV280H240401R1018 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 3 04QCB76G11703JE3C0001845 312.35 2,795.0 2,790.3 3,299.3 0.1537 0.1548 0.1539 71.19 2024-03-22
2 5 04QCB76G11703JE3D0005811 312.33 2,797.7 2,792.5 3,299.5 0.1545 0.1532 0.1529 71.22 2024-03-22
3 42 04QCB76G26503JE3D0000014 312.34 2,797.2 2,793.1 3,299.5 0.1586 0.1574 0.1549 71.20 2024-03-22
4 54 04QCB76G26403JE3C0007777 312.33 2,798.3 2,793.5 3,299.4 0.1573 0.1565 0.1540 71.19 2024-03-22
5 59 04QCB76G11703JE3C0002124 312.30 2,795.5 2,790.2 3,299.4 0.1575 0.1582 0.1536 71.20 2024-03-22
6 62 04QCB76G11703JE3D0005085 312.39 2,797.8 2,792.1 3,299.5 0.1508 0.1529 0.1516 71.20 2024-03-22
7 75 04QCB76G26503JE3D0000215 312.33 2,798.1 2,792.8 3,299.4 0.1564 0.1569 0.1552 71.18 2024-03-22
8 106 04QCB76G26403JE3C0007723 312.31 2,797.3 2,791.7 3,299.1 0.1555 0.1553 0.1539 71.18 2024-03-22
9 115 04QCB76G11703JE3D0005482 312.30 2,796.6 2,791.0 3,299.6 0.1569 0.1566 0.1554 71.19 2024-03-22
10 116 04QCB76G26503JE3D0000145 312.34 2,798.0 2,792.9 3,299.5 0.1554 0.1561 0.1545 71.19 2024-03-22
11 117 04QCB76G26503JE3D0000381 312.39 2,797.5 2,793.0 3,299.6 0.1562 0.1571 0.1553 71.18 2024-03-22
12 122 04QCB76G11703JE3D0004998 312.36 2,798.4 2,793.2 3,299.6 0.1532 0.1550 0.1529 71.18 2024-03-22
13 127 04QCB76G11703JE3D0006235 312.35 2,798.1 2,792.2 3,299.6 0.1556 0.1541 0.1512 71.18 2024-03-22
14 135 04QCB76G11703JE3D0005871 312.34 2,797.8 2,792.3 3,299.6 0.1554 0.1558 0.1527 71.19 2024-03-22
15 146 04QCB76G11703JE3C0003633 312.38 2,795.8 2,790.3 3,299.4 0.1535 0.1540 0.1523 71.19 2024-03-22
16 189 04QCB76G26403JE3C0007716 312.39 2,797.7 2,791.7 3,299.1 0.1579 0.1573 0.1559 71.19 2024-03-22
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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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