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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
GPRP280L231212R5003 285.00 57.37 41.80 GP-PC200 BMS
GPEV280H240918R1017 307.00 57.67 41.24 GP-PC200 BMS
GPEV314H241101R1012 326.00 57.28 42.17 GP-PC200 BMS
GPEV280H240520R1022 303.00 58.00 43.02 GP-PC200 BMS
GPEV280H240905R1011 306.00 57.29 42.17 GP-RN200 BMS
GPEV100H241022R1013 104.00 57.88 43.48 GP-PC100 BMS
GPEV314H241015R1009 325.00 57.66 42.45 GP-PC200 BMS
GPHC280H240817R1005 295.00 56.93 42.63 GP-PC200 BMS
GPRP280L231012R1006 292.00 57.90 40.05 GP-PC200 BMS
GPEV280H240926R1008 305.00 57.86 42.77 GP-PC200 BMS
GPHC280H240321R1001 295.00 57.30 41.34 GP-PC200 BMS
GPEV280H240710R1005 304.00 57.80 42.05 GP-PC200 BMS
GPEV280H240701R1005 304.00 57.99 40.49 GP-PC200 BMS
GPEV280H240701R1003 303.00 57.48 40.53 GP-PC200 BMS
GPEV280H231123R1010 302.00 57.99 42.03 GP-PC200 BMS
GPEV280H231030R1016 298.00 57.49 42.68 GP-PC200 BMS
GPEV280H231123R1011 302.00 58.00 41.98 GP-PC200 BMS
GPEV280L230801R2211 288.00 57.11 40.63 GP-PC200 BMS
GPEV280H230616R1011 302.00 57.20 43.20 GP-PC200 BMS
GPRP280L231127R3201 284.00 57.41 42.26 GP-PC200 BMS
Specification of The Battery

Pack SN:GPHC280H240926R1001
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: 293.00 Ah (15.00 kWh)
Max Charge Voltage: 57.29 V
Min Discharge Voltage: 42.52 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 GPHC280H240926R1001 Test Data)

Cells Information

Cell Id QR Capacity (Ah) OCV1 (mV) RI1 (mΩ) Self Discharge Thick (mm) Test Date
1 165 0IJCBA0B471111DCM0007115 300.85 3,284.7 0.1727 0.0162 71.70 2023-12-23
2 168 0IJCBA0B471111DCM0006982 300.82 3,284.6 0.1702 0.0156 71.79 2023-12-23
3 170 0IJCBA0B471111DCM0003889 300.90 3,284.7 0.1705 0.0160 71.67 2023-12-23
4 179 0IJCBA0B471111DCM0007118 300.23 3,284.7 0.1689 0.0142 71.67 2023-12-23
5 198 0IJCBA0B471111DCM0007630 300.49 3,283.9 0.1745 0.0158 71.78 2023-12-23
6 214 0IJCBA0B471111DCM0005701 300.76 3,283.4 0.1754 0.0157 71.65 2023-12-23
7 225 0IJCBA0B471111DCM0007109 300.91 3,284.7 0.1744 0.0160 71.64 2023-12-23
8 232 0IJCBA0B471111DCM0007106 300.29 3,284.6 0.1718 0.0156 71.68 2023-12-23
9 234 0IJCBA0B471111DCM0007108 300.04 3,284.7 0.1700 0.0138 71.75 2023-12-23
10 241 0IJCBA0B471111DCM0008188 300.56 3,284.7 0.1716 0.0158 71.72 2023-12-23
11 250 0IJCBA0B471111DCM0005705 300.20 3,284.8 0.1694 0.0155 71.64 2023-12-23
12 277 0IJCBA0B051111DCH0002893 300.35 3,283.5 0.1727 0.0153 71.87 2023-12-23
13 297 0IJCBA0B471111DCM0007484 300.32 3,284.4 0.1735 0.0133 71.64 2023-12-23
14 301 0IJCBA0B471111DCM0008241 300.10 3,284.6 0.1699 0.0144 71.76 2023-12-23
15 309 0IJCBA0B471111DCM0008259 300.13 3,284.7 0.1690 0.0143 71.69 2023-12-23
16 317 0IJCBA0B471111DCM0008258 300.49 3,284.8 0.1729 0.0128 71.67 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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