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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
GPEV280H240620R1044 306.00 57.99 40.55 GP-PC200 BMS
GPEV280H230625R1022 306.00 57.57 40.76 GP-PC200 BMS
GPEV314H240921R1005 325.00 57.27 41.75 GP-PC200 BMS
GPEV280H240124R1013 303.00 57.99 43.02 GP-RN200 BMS
GPEV280H241014R1012 306.00 57.14 41.40 GP-PC200 BMS
GPHC280H240515R1004 294.00 57.28 41.02 GP-PC200 BMS
GPEV280H230625R1001 305.00 57.55 41.00 GP-PC200 BMS
GPEV280H230705R1020 304.00 56.86 41.04 GP-PC200 BMS
GPHC280H240413R1601 295.00 57.26 41.45 GP-PC200 BMS
GPHC280H240930R1401 291.00 57.30 42.78 GP-JK200 BMS
GPEV314H241031R1001 324.00 57.53 42.04 GP-PC200 BMS
GPEV280H240921R1012 305.00 57.57 42.39 GP-PC200 BMS
GPHC280H240822R1303 295.00 56.92 41.43 GP-PC200 BMS
GPEV280H240620R1048 306.00 56.96 41.02 GP-PC200 BMS
GPEV280H240122R1001 297.00 58.00 41.84 GP-PC200 BMS
GPEV280H240723R1001 302.00 57.53 40.62 GP-PC200 BMS
GPEV280H240831R1008 307.00 57.99 42.31 GP-RN200 BMS
GPEV314H241015R1021 324.00 57.92 41.32 GP-JK200 BMS
GPHC280H240729R2902 293.00 57.10 42.48 GP-PC200 BMS
GPEV280H230705R1015 305.00 57.04 40.72 GP-PC200 BMS
Specification of The Battery

Pack SN:GPHC280H241010R2901
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: 293.00 Ah (15.00 kWh)
Max Charge Voltage: 57.76 V
Min Discharge Voltage: 41.50 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 GPHC280H241010R2901 Test Data)

Cells Information

Cell Id QR Capacity (Ah) OCV1 (mV) RI1 (mΩ) Self Discharge Thick (mm) Test Date
1 1 0IJCBA0B471111DCM0011452 300.37 3,283.5 0.1737 0.0217 71.88 2023-12-24
2 17 0IJCBA0B471111DCM0011453 301.27 3,283.9 0.1708 0.0227 71.68 2023-12-24
3 23 0IJCBA0B471111DCN0020073 301.35 3,283.6 0.1723 0.0227 71.68 2023-12-24
4 34 0IJCBA0B471111DCM0011600 300.29 3,283.8 0.1682 0.0190 71.83 2023-12-24
5 51 0IJCBA0B471111DCM0003643 300.59 3,284.0 0.1715 0.0202 71.73 2023-12-23
6 62 0IJCBA0B471111DCM0004670 300.15 3,284.9 0.1744 0.0222 71.67 2023-12-23
7 63 0IJCBA0B471111DCM0011956 300.67 3,283.6 0.1753 0.0128 71.64 2023-12-24
8 74 0IJCBA0B471111DCM0005187 300.10 3,284.8 0.1701 0.0208 71.64 2023-12-23
9 78 0IJCBA0B471111DCM0007052 300.48 3,283.7 0.1699 0.0196 71.63 2023-12-23
10 81 0IJCBA0B471111DCM0009235 300.09 3,284.0 0.1749 0.0190 71.72 2023-12-23
11 103 0IJCBA0B471111DCM0009016 300.15 3,284.0 0.1707 0.0162 71.67 2023-12-24
12 107 0IJCBA0B471111DCM0009238 300.23 3,284.0 0.1784 0.0196 71.69 2023-12-23
13 108 0IJCBA0B471111DCM0006230 300.46 3,284.4 0.1730 0.0199 71.67 2023-12-23
14 129 0IJCBA0B471111DCL0029601 300.19 3,284.1 0.1731 0.0170 71.64 2023-12-24
15 145 0IJCBA0B471111DCM0009760 301.43 3,283.8 0.1741 0.0225 71.84 2023-12-24
16 146 0IJCBA0B471111DCM0005677 300.11 3,284.0 0.1707 0.0202 71.73 2023-12-24
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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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