Project Description

Lithium Battery Cell impact tester

Lithium Cell Impact Testing Machine China Manufacturer

UN38.3 Battery Impact Tester is used to simulate the mechanical impact that may result in an internal short circuit.

Cell or battery is subjected to the impact from a specified height in free fall, resulting in internal short circuits to evaluate the security performance of the specimen.

Test Method

The lithium-ion cell or battery is fully charged according to the given method. The operator puts it on a flat platform, then horizontally places a metal bar whose diameter is 15.8 ± 0.2 mm on the upper surface of the geometric center of the battery or cell. A mass of 9.1 ± 0.1 kg in weight is dropped onto the battery or cell surface from the height of 610 ± 25 mm in free fall. After observing for 6 hours, The test piece meets the requirements If there is no fire and no explosion.

Test Standards

UN38.3, UL1642

Main Technical Parameters

Model AT-L5008
Impact Mass 9.1 kg
Impact Height 0~1000mm adjustable (usually 610 mm)
Height Display LED altimeter display
Height Accuracy Accurate to 1 mm
Impact Mode Lift the hammer to a 610 mm and release it. The hammer falls freely in the vertical direction without tilting or shaking.
Bar Steel rod with the diameter of 15.8 mm (5/8 inch)
Control Mode Automatic return and automatic grab
Lifting Method Electric Lift
Max. Battery Size to be Tested 300 × 300 × 100 mm (L × W × H)
Power Supply  AC 220 V ± 10%, 10 A, 50 / 60 Hz, 1 ∮
Power 2.2 kW
Weight About 320 kg


  • The internal box is made of SUS 304 stainless steel and pasted with Teflon tapes for insulation, which is fireproof and easy to clean after testing.
  • The external box is made of cold-rolled steel sheets. The box structure is firm and resistant to impact.
  • The impact platform of the test chamber is 10 mm in thickness (the bottom plate is solid and impact-proof).
  • The impact method is free fall.
  • Safety protection device and safety hook are mounted at the middle of the beam to protect against sudden power cuts.
  • An explosion-proof glass observation window is available on the door.
  • The automatic induction door lock can not be opened throughout the test, and the test cannot be performed when the door is in an open state.
  • A lighting device is installed in the chamber of the testing machine.
  • An exhaust fan is equipped at the back of the test chamber for extraction and pressure relief in case of explosion or firing during the test. It is located at the back of the cabinet, and the exhaust fan is 120 mm in diameter. The duct is 100 mm in length, which is convenient to connect to a high-power exhaust fan.
  • A cable hole of 50 mm in diameter is available.

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