Quality Classification

The GP-SR1-PC200 Basic, Standard, and Premium versions are identical in all respects, with the exception of:

	GP-SR1-PC200 Basic	GP-SR1-PC200 Standard	GP-SR1-PC200 Premium
Default Working Voltage	49V-54.5V	44V-55.2V	44V-55.2V
Full Capacity	270Ah-290Ah	280Ah-305Ah	280Ah-305Ah
Cell Grade	LSEV EVE280	LSEV EVE280	HSEV EVE280
Cell Consistency	★	★★	★★★
Pack Certification	CE	CE	CE, IEC-62619 (pending)
		Buy	Buy

The presented classification method above aims to assess the quality of different batteries, focusing on their maximum charge voltage. This parameter serves as an indicator of the cells' consistency within the battery. Specifically, a higher level of cells consistency corresponds to a higher maximum charge voltage.

Cell consistency refers to the uniformity in performance and characteristics among individual cells within a battery pack. In the context of a lithium iron phosphate (LiFePO4) battery, this means that each cell in the battery should ideally have the same capacity, internal resistance, self-discharge rate, and other key parameters.

The importance of cell consistency in a LiFePO4 battery lies in its impact on the overall performance and lifespan of the battery. When cells are consistent, the battery can deliver its power more efficiently, and it is less likely to experience premature aging or failure.

This is because when cells are inconsistent, the weaker cells can become overworked as they try to keep up with the stronger ones, leading to faster degradation. Furthermore, inconsistent cells can result in imbalanced charging and discharging, which can cause some cells to become overcharged or over-discharged, potentially leading to damage or even failure of the entire battery pack.

Therefore, maintaining cell consistency is a critical aspect of battery design and management, ensuring optimal performance, safety, and longevity of LiFePO4 batteries.

Comprehensive Cell and Pack Test Data

Every battery we construct is meticulously documented with comprehensive cell and pack test data. You can explore this data at your convenience here:

Check Battery Data

 

Customer's Setup

Check Victron VRM profiles here: https://www.gobelpower.com/customers-setup_ap22.html

General Information

Cells Inside: Brand new EVE 280Ah cells with 6,000 times cycles life

2 Mounting Method: Standard 6U server rack or on floor

BMS: 200A professional ESS BMS compatible with most inverters

Communication Ports: RS485, CAN, RS232

Active Balance: Max 5A Active Balance (or Heltec 4A Bluetooth Balancer, same as Neey, which is rebranded heltec)

Compressed Cells: noval design able to impose 300kgf on cells

Circut Breaker: 250A

Wheels: Easily Move

 

Compatible Inverter List

CAN Port:

1. Deye (Pylon/Sunsynk)

2. Victron

3. SMA

4. Studer

5. Growatt

6. Schneider (SE)

7. GoodWe

8. Solis

9. Luxpower

10. Sofar

11. REVO (SRD)

12. MUST

13. Senergy

RS485 Port:

1.Deye

2.Growatt

3.Lithium

4.Luxpower

5.MSL

6.Pace

7.Phocos

8.Pylontech

9.SE

10.Solar

11.Voltron

How to determine whether a 51.2V battery is using genuine A-grade battery cells

You can employ a simple and reliable method. Please note that this method involves using a 58V charging voltage. Here are the steps to identify a high-quality battery and protect yourself from potential deception:

Step 1: Connect the battery to a charger with an output voltage of 58V.

Step 2: Monitor the voltage of each individual cell within the battery. When any of the cells reach 3.65V and trigger the BMS (Battery Management System) overvoltage protection, note down the total voltage of the battery at that moment (Don't deliberately balance the battery.).

Step 3: Compare the recorded total voltage with a threshold. If the voltage is lower than 56.5V, it indicates that the battery does not consist of A-grade battery cells. A-grade cells are known for their excellent consistency and should exhibit a higher total voltage in this test.

By following this procedure, you can discern genuine high-quality batteries from those of lesser quality, thereby safeguarding yourself against potential fraud.