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MK LIT (E5) 01/2021 page 20/172
The chamber does not dispose of any measures of explosion protection.
DANGER
Explosion or implosion hazard and danger of poisoning by introduction of unsuit-
able loading material.
Poisoning. Serious injury or death from burns and / or explosion pressure.
∅ Do NOT introduce any combustible dust or air-solvent mixture into the chamber.
∅ DO NOT insert any other battery types, such as lead-acid batteries, into the cham-
ber. Only lithium-ion accumulators are permitted.
∅ DO NOT insert modules, i.e. connected cells, or battery systems into the chamber.
∅ Do NOT perform destructive tests (so-called abuse tests).
When testing 18650 cells, ensure that no more than one cell (LIT MK 240) / three
cells (LIT MK 720) are inserted without a customer-connected purge/inertization.
Make sure to observe the minimum distance between individual cells when inserting
several cells.
With customer connected purge/inertization: Observe the minimum distance between
the individual cells.
Defined load (max. one single 18650 cell with LIT MK 240, max. three 18650 cells with LIT MK 720)
Battery test chambers LIT MK offer with a defined load (max. one single 18650 cell with LIT MK 240, max.
three 18650 cells with LIT MK 720), chap. 2.4.2) Sufficient security to securely include an event up to
hazard level 6. Additional measures taken by the customer are not taken into account here; these are the
sole responsibility of the operator.
• Permitted cell type: Individual cell(s) of type 18650 (no untested prototypes), no modules/packs, no total
systems
Cell 18650: Capacity up to 5.0 Ah; dimension diam. 18 x 65 mm
• Total permitted energy of an 18650 cell in Wh (usable capacity plus chemical energy) released in the
event of damage: max. 200 Wh
• Permitted charge level: 0 - 100% of the usable capacity
Exceeding the defined load with additional measures provided by the operator
In addition, if the operator wishes to test other 18650-type cells in the chamber simultaneously, operator-
provided flushing/inertization must be provided. The minimum distance in the chamber between individual
cells must be dimensioned in such a way that activation of additional cells as a follow-up reaction is safely
excluded in the event of a start reaction of an individual cell. The minimum distance in the chamber between
individual cells is 10 cm.
• Permissible cell type: Cells, no modules / packs, no overall systems
• Permissible charge level: 0 - 100% of usable capacity
• Use the information in the technical data in chap. 30.4 to calculate the max. released gas quantity from
LEL of the gases used and the steam chamber volume of the chamber.
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