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Top Standards for Lithium Battery Safety Testing- UL 1642
26 Aug 2021

For lithium batteries, there are some popular standards that Battery Lab tests to most often. In this sequel of articles we are going to discuss about these popular standards one by one. Today we are going to discuss about the UL 1642– UL Standard for Safety of Lithium Batteries.



UL 1642
These requirements cover primary (no rechargeable) and secondary (rechargeable) lithium batteries for use as power sources in products. These batteries contain metallic lithium, or a lithium alloy, or a lithium ion, and may consist of a single electrochemical cell or two or more cells connected in series, parallel, or both, that convert chemical energy into electrical energy by an irreversible or reversible chemical reaction.
These requirements cover lithium batteries intended for use in technician-replaceable or user replaceable applications.
These requirements are intended to reduce the risk of fire or explosion when lithium batteries are used in a product. The final acceptability of these batteries is dependent on their use in a complete product that complies with the requirements applicable to such product.
These requirements are also intended to reduce the risk of injury to persons due to fire or explosion when user-replaceable lithium batteries are removed from a product and discarded.
These requirements cover technician-replaceable lithium batteries that contain 5.0 g (0.18 oz) or less of metallic lithium. A battery containing more than 5.0 g (0.18 oz) of lithium is judged on the basis of compliance with the requirements in this standard, insofar as they are applicable and further examination and test to determine whether the battery is acceptable for its intended uses.
These requirements cover user-replaceable lithium batteries that contain 4.0 g (0.13 oz) or less of metallic lithium with not more than 1.0 g (0.04 oz) of metallic lithium in each electrochemical cell. A battery containing more than 4.0 g (0.13 oz) or a cell containing more than 1.0 g (0.04 oz) lithium may require further examination and test to determine whether the cells or batteries are acceptable for their intended uses.
These requirements do not cover the toxicity risk that may result from the ingestion of a lithium battery or its contents, nor the risk of injury to persons that may occur if a battery is cut open to provide access to the metallic lithium.
Before you choose your lithium battery brand, please check carefully about this mandatory standard certification carefully. Choose a popular brand like EverExceed to confirm the authenticity of this standard with confirm reliability.

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