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Battery Forced Internal Short Circuit Tester with Precision Force and Temperature Control

The DERUI DR-D210 battery forced internal short circuit tester combines controlled mechanical force, temperature conditioning and synchronized cell-response monitoring. Its fixture and test sequence must be matched to the cell format and exact adopted procedure.

Model DR-D210
Force Range Published 0–2,000 N; force programme to confirm
Temperature Range Published 0°C to +100°C
Monitoring Force, voltage and temperature; channel and export scope to confirm
Cell Scope Fixture selected for the exact cylindrical or prismatic cell and method
Method Boundary Forced internal short circuit differs from UN 38.3 T.5 external short circuit
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Controlled Cell-Level Abuse Testing

DR-D210 Battery Forced Internal Short Circuit Tester

Apply controlled mechanical force to a prepared lithium-ion cell inside a temperature-controlled test enclosure while recording the cell response. DR-D210 is a specialized cell test system: the cell format, contact method, conditioning, force stop criterion and monitoring channels must be matched to the adopted procedure.

Method boundary: a mechanical forced internal short is different from connecting the external cell terminals together. The quoted fixture and test programme must be reviewed against the exact standard edition and specimen design.
Published force range0–2,000 N
Published temperature range0°C to +100°C
Published force accuracy±0.5% full scale; measurement basis to confirm
Published acquisition rateUp to 100 samples/s; channel scope to confirm

What the Test System Does

Controlled force application

The published servo system applies force while reporting the measured force and travel. Confirm the force ramp, actuator resolution and stop logic for the specified method.

Temperature conditioning

The integrated chamber provides a published 0–100°C range. Specify the required cell temperature, tolerance, soak time and measurement location.

Response monitoring

Cell voltage, surface temperature and actuator force can be captured during the event. Define channel count, sample rate per channel, trigger and exported record.

Published DR-D210 Values and Quotation Checks

Item Published statement Confirm before ordering
Force range 0–2,000 N Calibrated measurement range, force resolution, ramp and permitted overload.
Force accuracy ±0.5% full scale Whether this is force measurement or control accuracy; calibration evidence.
Temperature range 0°C to +100°C Stability, loaded performance, cell temperature sensor and conditioning duration.
Data acquisition Up to 100 samples per second Rate for each recorded channel, timestamps, trigger, storage and export format.
Control PLC and touchscreen Programme capacity, event stop conditions and user access controls.
Cell formats Cylindrical and prismatic cells described; other formats discussed as options Exact cell dimensions, contact position, fixture drawing and sample-preparation method.
Test enclosure Stainless-steel interior, observation window and exhaust described Final safety package, exhaust connection, emergency stop and facility interface.

Define the Test Method Before Selecting the Fixture

Adopt the exact document

Record the applicable standard, edition, clause, cell scope and laboratory procedure.

Prepare the cell

Define the permitted cell construction, charge state, conditioning and any controlled preparation required by the method.

Set the contact geometry

Approve the fixture, indenter/contact location, alignment and restraint for the selected cell format.

Set force and stop criteria

Specify force ramp, displacement, voltage event, maximum limits and safe-state response.

Record the response

Capture synchronized force, travel, voltage, temperature, event time and observations as required.

Apply the actual acceptance rule

Use the criteria in the adopted procedure and report deviations, venting or other abnormal events.

Fixture and Cell Scope

Cell format Configuration question Procurement evidence
Cylindrical Cell diameter/length, orientation, restraint and contact location Approved fixture drawing and representative-cell trial.
Prismatic Cell face, thickness, clamping and contact geometry Approved alignment drawing and travel clearance.
Pouch Method applicability, support surface, swelling clearance and damage risk Written method review before quoting a fixture; do not assume universal compatibility.
Multiple sizes Changeover time, fixture set and sensor repositioning Itemized fixture list and FAT with representative sizes.

Safety and Facility Interfaces

Function Required project definition
Enclosure and viewing Event energy, door/window construction, observation method and access interlock.
Exhaust Expected gas/smoke, connection size, flow, discharge route and facility approval.
Emergency stop Actuator stop, specimen power isolation, chamber response and restart permission.
Detection and alarms Which sensors are supplied, thresholds, calibration and cause-and-effect logic.
Post-event handling Remote observation, cooldown, ventilation, disposal and laboratory procedure.
Safety claim: the words “explosion-proof” on the existing page do not establish a certified containment rating. Confirm the actual design basis and any certificate applicable to the quoted configuration.

Use Standards for Their Actual Test Scope

Reference Relevant scope Decision for DR-D210
IEC 62133-2 Safety of portable sealed lithium cells and batteries Check the adopted edition and whether its forced-internal-short procedure applies to the intended cell; approve fixture and method before claiming support.
JIS C 8714 Japanese lithium-ion cell and battery safety requirements Confirm current applicable edition, specimen preparation and precise procedure.
IEC 62619 / IEC 62660-3 Industrial and automotive cell safety programmes Map the requested clause separately; these references do not make every DR-D210 function universally compliant.
UN 38.3 Lithium transport test programme T.5 is an external short-circuit test. This mechanical FISC tester is not a substitute for the UN 38.3 T.5 apparatus.

For transport-related low-pressure testing, review the separate DR-D203 battery altitude simulation chamber. It serves a different procedure and equipment purpose.

Records and Factory Acceptance

Force calibration

Check force-indication accuracy at agreed points and verify actuator travel, ramp and stop behaviour with a safe dummy specimen.

Temperature and channels

Map agreed temperature points and confirm voltage, temperature, force and displacement channels, timestamps and export.

Safety cause and effect

Demonstrate door interlock, emergency stop, overload, alarms, exhaust command and safe recovery without using a live cell for basic functional checks.

What to Send for an Accurate Proposal

Topic Required information
Method Standard, edition, clause, laboratory procedure and acceptance criteria.
Cells Chemistry, format, dimensions, capacity, energy, construction and quantities.
Preparation Permitted cell preparation, charge state, conditioning and handling.
Mechanical profile Fixture geometry, force range, ramp, travel and stop trigger.
Environment and records Temperature point, channels, sample rate, data format and report.
Facility safety Ventilation, exhaust, fire response, power and operator access controls.

Frequently Asked Questions

Is FISC the same as an external short-circuit test?

No. FISC uses a specified prepared cell and mechanical procedure to induce an internal event; an external short-circuit test connects the cell or battery terminals through an external circuit.

Can DR-D210 perform UN 38.3 T.5?

No such capability is established. T.5 is an external short-circuit test and requires a different test setup.

Does a 2,000 N maximum mean every cell uses 2,000 N?

No. The test programme sets the relevant force ramp and termination conditions for the selected cell and method. The published number is an equipment range limit.

Are all cell formats covered?

The current page describes cylindrical and prismatic cells and mentions other fixtures. Confirm method applicability and an approved fixture for each exact cell format.

Does the tester guarantee a pass under IEC 62133-2?

No. The applicable edition, specimen, preparation, test procedure and acceptance rule determine the result. Equipment capability and cell compliance are separate matters.

What should be witnessed at FAT?

Verify force and temperature measurements, channel timing/export, fixture fit, control sequence, interlocks, exhaust command and documentation using safe representative checks.

Specify the Cell and Procedure Before the Tester

Send the cell format, adopted method, preparation, force profile and safety requirements. DERUI can confirm the fixture, control range, monitoring channels and FAT scope for the quoted DR-D210 configuration.

Request a DR-D210 Method Review

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1. Q: What is a Battery Forced Internal Short Circuit (FISC) Tester?
A: A Battery Forced Internal Short Circuit Tester is a specialized safety testing machine designed to intentionally induce and simulate an internal short circuit within a lithium-ion battery cell. It applies precise mechanical force to replicate failure modes like separator breakdown or dendrite penetration, allowing manufacturers to evaluate the cell’s safety response, thermal behavior, and risk of thermal runaway under controlled laboratory conditions.

2. Q: What is the key difference between an internal and an external short circuit test?
A: The key difference lies in the failure location and test objective. An internal short circuit test (FISC) simulates a fault inside the cell (e.g., separator failure) to assess core safety and the risk of thermal runaway. An external short circuit test connects the cell’s external terminals to evaluate the battery management system and external protection circuits. FISC testing is considered a more severe and fundamental safety validation.

3. Q: What safety standards require Forced Internal Short Circuit (FISC) testing?
A: Key international safety standards mandating or recommending FISC testing include IEC 62133-2 (Clause 8.3.9 for portable cells), JIS C 8714:2007, and UL 1973 for stationary storage. It is also a critical evaluation method within IEC 62660-3 for automotive batteries and supports validation for UN 38.3 transportation safety requirements.

4. Q: How does a FISC Tester apply force to create an internal short?
A: A high-quality FISC Tester uses a high-precision servo motor system to apply a controlled, gradual force (typically up to 2000 N) via a probe or indenter onto the battery cell. This force deforms the internal layers (anode, separator, cathode) until they contact, creating a controlled internal short circuit, while monitoring parameters like force, displacement, voltage, and temperature in real-time.

5. Q: Why is an integrated temperature chamber important for FISC testing?
A: Battery safety performance is highly temperature-dependent. An integrated temperature chamber (e.g., range from 0°C to 100°C) allows testing under various environmental conditions. This is crucial to evaluate if a cell is more susceptible to thermal runaway when an internal short occurs at high or low temperatures, providing more comprehensive safety data.

6. Q: What critical data is monitored during a FISC test?
A: During a test, the equipment monitors voltage drop (to detect the short), cell surface and internal temperature (to track heat generation and thermal runaway onset), and applied force/displacement. Advanced systems sample this data at high speeds (e.g., 100 samples/sec) to capture the rapid sequence of failure events accurately.

7. Q: What are the essential safety features of the tester itself?
A: Given the hazardous nature of the test, the tester must have explosion-proof construction, a sealed safety chamber with a viewing window, an automatic fire suppression system (e.g., CO2), harmful gas exhaust vents, and emergency stop buttons. These features protect operators and equipment from potential cell rupture or fire.

8. Q: Which battery cell formats can be tested?
A: A versatile FISC Tester can accommodate prismatic, cylindrical, and pouch cells. This is achieved through customizable fixtures and mandrels that securely hold each cell type in place during the force application, ensuring consistent and reliable test conditions across different product lines.

9. Q: How is the Pass/Fail result determined in a FISC test?
A: Pass/Fail criteria are defined by the relevant safety standard (like IEC 62133-2). Generally, a “pass” requires that the cell does not explode or catch fire. Additional criteria often include limits on maximum temperature rise, duration of flame (if any), and that no projectiles are ejected. The tester’s data logging provides the evidence for this assessment.

10. Q: Who uses this equipment and in what phase of production?
A: FISC Testers are used by battery cell manufacturers, EV and ESS integrators, and independent testing labs. They are primarily used in the R&D phase for material and design validation, and for qualification and certification testing. Due to its destructive nature, it is typically not used on every cell in mass production but on a sampling basis for quality assurance.

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