Li-ion Battery Automatic Testing and Formation System

1) Protected by the patent technology, it is equipped with pneumatic needle bar clamping, especially designed and manufactured for formation and classification of the lithium ion battery produced with tray method.

2) Control power is integrated with needle bar. The gripper is four-layer structured, with 192 channels on each layer, and the whole panel can test 768 single lithium ion batteries.

3) It constitutes automatic lithium ion battery classification system, coupled with BK-700-192 automatic internal resistance testing equipment and BK-9192 automatic classification equipment. It will accomplish the battery classification and statistics based on such parameters as capacity, charging proportion in constant current, time, open-circuit voltage, platform time, internal resistance, V, etc.

4) It adopts advanced constant current source technology, and there is no impact for switching from constant current to constant voltage, which is especially suitable for charging li-ion batteries.

5) The design of modular makes it stable even in long-term operation and convenient in maintenance.

6) Measured with four-line method, it can eliminate the wiring and contact errors to the largest extent and with high testing accuracy.

7) Each battery has completely independent constant current and voltage source, forming the circuit itself without interfering others.

8) Voltage sampling is of contact-free switching mode, with long life and high reliability.

9) It adopts 16-digit highly prcised A/D converter and the resolutions of sampling the current and voltage reach 0.1mA and 0.1 mV respectively.

10) There is an independent 16-digit D/A circuit in each channel and the resolutions of regulating the current and voltage reach 0.1mA and 0.1 mV respectively.

11) Programmable Memory rather than potentiometers has been adopted to save calibration factors so as to avoid the fluctuation of voltage and current values caused by changes in potentiometer contacts.

12) It is equipped with automatic calibrator controlled by computers to collect and save data of all channels at regular intervals.

13) Every 16 channels constitute one sub-system. The design of modules makes it easy in maintenance.

14) It is fast in sampling, conducting inspection every 4 seconds in case of no over-voltage or under-voltage register.

15) It boasts various hardware protection functions, including tray position testing, door closing testing, fog sense testing, sampling line broken protection, over-voltage protection of upper / lower limit, power leakage protection, etc.

16) Equipped with advanced software, it is simple in operation and capable of realizing such functions as concentrated equipment test and control, data processing and report preparation while boasting multiple protection functions, including protection against abnormal voltage and current, over-capacity, and against voltage fluctuation while charging in constant voltage, etc.

17) It saves data automatically in case of power failure.

18) The upper computer can in maximum set up 64 process steps and 256 cycles.

19) Each set of upper computer can be linked to 1-10 sets of microprocessor systems.

1) Range of constant current: 0 ~ 3A, resolution 1mA

2) Current Setting Accuracy0.1%RD+0.05%FS）measuring accuracy0.1%RD+0.05%FS

3) Range of Voltage Measuring：0~5V resolution 1mV

4) Range of Voltage of Battery Measured：2~4.5V Range of Constant Voltage Setting：DC 2.5~4.5V

5) Constant Voltage Setting Accuracy0.1%RD+0.05%FS）voltage measuring accuracy0.1%RD+0.05%FS

6) Range of Time：0~30000 min /process steps accuracy：±0.1%

7) Source supply: AC380V±₁⁵₀%, 50HZ, dissipation ≤12 KW

8) Mode of communication: RS485, baud rate: 57600

9) Size（mm）：1350（L）×1200（W）×1920（H