battery capacity discharge tester

2 month ago

9 0 

Shengchuang Intelligent Technology (Guangdong) Co., Ltd

12 month

Product details

Product Description

The ODM cell grading machine: S33-160/30A is specifically engineered to test parameters such as capacity and voltage during battery formation and grading. The machine classifies batteries into grades based on the testing results and data analysis and upload sharing. The machine is modular, to facilitate maintenance. The charging power consumption has been reduced by more than 40%, compared to traditional equipment, and the total energy saving rate exceeds 60%, making it an efficient and energy saving battery grading machine. The equipment is controlled by an STM32 microcontroller and features 256 independent constant current and constant voltage sources, with an accuracy of 0.5‰. The equipment supports testing battery specifications such as 18650 and 21700 and is equipped with a power failure protection and abnormal shutdown alarms.

System Features

- Four wire test interface for high measurement accuracy

- Use of field effect transistors as the power tubes, which works for battery discharge at lower voltages

- Power failure protection function which resumes the original workflow after power is restored

- Independent points with each battery having a completely independent constant current and constant voltage source, stable with no unintentional interruption

Equipment Structure

- Independent CPU board, dual keyboard boards, for independent operation from front and back, but system transmission and control of a machine cabinet is unified

- 8 channel programmable constant current and constant voltage control module

- Bidirectional AC/DC inverter module

- Flat head fixtures, tray-type manually operated fixtures

System Composition

- Equipment to test lithium-ion batteries

- Computer, with USB interface to be supplied by the user

- USB to 485 interface converter and communication cable or TCP communication

- Battery scanning system

- Product software

System Principle

Equipment is controlled and connected through a computer, which sends control commands to the equipment and collects data from the equipment. The keyboard manually operates the equipment, and displays parameters and status. The constant current board is controlled through CPU commands, with constant current, constant voltage functions to take measurements and control processes.

When a battery charges, AC power enters the bidirectional power supply to convert into 12 V DC power, and the constant current board would control that process and measure the charging of the battery. Discharging the battery is when the procedure changes and takes the reverse action of charging and the battery is discharged, the constant current board would boost the battery voltage to 12 V, which will be converted back to AC power by the bidirectional power supply, feeding power directly back into the factory AC distribution network, achieving energy feedback of battery discharge power.

Overall the power-saving effect is significant: Measured and shown actual power consumption of the equipment while measuring the testing of batteries charging, was measured to be saving more than 40% in energy consumption through comparison to the traditional equipment and with an energy savings total above 60% for the project, therefore would mean tremendous savings for battery manufacturer companies.

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Suppliers

Shengchuang Intelligent Technology (Guangdong) Co., Ltd

Audited supplier

12 month

Main Product: Battery Formation Equipment, lithium cell tester , battery life tester, Battery Assembly, Battery Testing System, battery discharge tester

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