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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
GPEV280H230625R1004 306.00 57.53 40.85 GP-PC200 BMS
GPHC280H240930R2902 292.00 57.28 41.87 GP-PC200 BMS
GPEV280H231019R1010 301.00 57.67 41.67 GP-PC200 BMS
GPEV280H230616R1016 304.00 57.44 41.32 GP-PC200 BMS
GPHC280H240628R1006 295.00 56.95 41.30 GP-PC200 BMS
GPHC280H240401R1002 295.00 57.19 40.52 GP-PC200 BMS
GPEV280H230705R1020 304.00 56.86 41.04 GP-PC200 BMS
GPEV314H241105R1009 325.00 57.90 41.84 GP-PC200 BMS
GPEV100H241022R1003 103.00 57.79 42.98 GP-PC100 BMS
GPEV314H241105R1005 325.00 57.41 41.55 GP-PC200 BMS
GPRP280L231012R1012 290.00 57.15 40.49 GP-PC200 BMS
GPEV280H240620R1021 303.00 57.29 41.59 GP-PC200 BMS
GPEV100H240930R1004 104.00 57.97 42.69 GP-PC100 BMS
GPEV280L230602R1803 304.00 57.02 40.69 GP-PC200 BMS
GPEV100H241022R1018 104.00 57.48 43.42 GP-PC100 BMS
GPEV280H240620R1048 306.00 56.96 41.02 GP-PC200 BMS
GPEV280H240112R1012 299.00 58.00 42.15 GP-PC200 BMS
GPEV280H230625R1032 305.00 57.60 40.62 GP-PC200 BMS
GPEV280H231009R1002 300.00 58.00 41.58 GP-PC200 BMS
GPEV280H240710R1015 301.00 57.78 41.88 GP-PC200 BMS
Specification of The Battery

Pack SN:GPHC280H240926R1401
Pack Type: 51.2V LiFePO4 Battery
Pack Grade: Standard
BMS Type: RN200
Balancer: 4A Bluetooth Active Balancer
Heater: Without Heater
Cell Type: Hithium 280
Cell Grade: HSEV
Cells Connection: 16S1P
Pack Test Result

Full Capacity: 292.00 Ah (14.95 kWh)
Max Charge Voltage: 57.22 V
Min Discharge Voltage: 42.51 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 GPHC280H240926R1401 Test Data)

Cells Information

Cell Id QR Capacity (Ah) OCV1 (mV) RI1 (mΩ) Self Discharge Thick (mm) Test Date
1 164 0IJCBA0B471111DCM0005101 300.30 3,284.2 0.1731 0.0240 71.67 2023-12-23
2 201 0IJCBA0B471111DCM0008235 300.35 3,284.0 0.1709 0.0209 71.65 2023-12-23
3 210 0IJCBA0B471111DCM0008204 300.59 3,283.8 0.1714 0.0206 71.73 2023-12-23
4 223 0IJCBA0B471111DCM0008840 300.09 3,284.5 0.1741 0.0277 71.80 2023-12-23
5 237 0IJCBA0B471111DCM0008837 300.07 3,284.1 0.1745 0.0283 71.65 2023-12-23
6 239 0IJCBA0B471111DCM0007536 300.01 3,284.7 0.1738 0.0275 71.64 2023-12-23
7 252 0IJCBA0B471111DCM0006494 300.61 3,284.1 0.1767 0.0254 71.86 2023-12-23
8 254 0IJCBA0B471111DCM0006001 300.36 3,284.1 0.1718 0.0229 71.89 2023-12-23
9 256 0IJCBA0B471111DCM0005090 300.40 3,284.1 0.1742 0.0241 71.79 2023-12-23
10 260 0IJCBA0B471111DCM0005083 300.30 3,284.2 0.1719 0.0233 71.69 2023-12-23
11 263 0IJCBA0B471111DCM0004096 300.07 3,284.4 0.1722 0.0243 71.69 2023-12-23
12 270 0IJCBA0B471111DCM0005099 300.57 3,284.2 0.1692 0.0254 71.65 2023-12-23
13 273 0IJCBA0B471111DCM0008529 300.00 3,284.2 0.1696 0.0227 71.71 2023-12-23
14 274 0IJCBA0B471111DCM0008500 300.16 3,283.1 0.1759 0.0205 71.75 2023-12-23
15 283 0IJCBA0B471111DCM0008681 300.01 3,284.0 0.1711 0.0238 71.69 2023-12-23
16 304 0IJCBA0B471111DCM0007400 300.10 3,284.1 0.1706 0.0210 71.68 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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