JETRAY / Battery engineering & sourcingShenzhen, Chinasale1@jetray.cn ↗
JETRAY18650 Battery PacksBlog
APPLICATION PLANNING EXAMPLE

Handheld instrument mechanical fit

A handheld instrument has limited internal space and may need a controlled replacement process. Battery dimensions and electrical protection should be reviewed with the enclosure design.

Factory photograph published on the Jetray website
Workshop photograph published on the Jetray factory website. This image is not evidence of a customer deployment or the specific planning example.
THE OPERATING CHALLENGE

Handheld instruments

A handheld instrument has limited internal space and may need a controlled replacement process. Battery dimensions and electrical protection should be reviewed with the enclosure design.

Application planning example. This brief describes requirements to review, rather than a claimed customer installation or a product compatibility approval.
A structured engineering conversation

From the scenario to a specification.

Use the plan to identify information, tests and documents for the equipment under review.

01 / Define the approach

  • Share the enclosure drawing and permitted battery envelope.
  • Specify cable direction, connector keying and replacement access.
  • Provide load and charger details for the proposed 18650 configuration.

02 / Review the sample

  • Check the actual sample with production-representative parts.
  • Confirm mechanical clearances and assembly instructions.
  • Document the accepted cell model and allowed substitutions.

03 / Record the decision

Keep the approved configuration, test conditions, interface drawing and outstanding questions together. Confirm application suitability with the equipment team before design-in.

Check the fit, runtime and load behavior using production-representative equipment and agreed test conditions.

PRODUCT REFERENCE & DOCUMENTS

Connect the application to current evidence.

Open the collection to discuss an existing reference or a project-specific configuration. The brief does not establish a particular model as compatible.

18650 Battery Packs

Compare the published reference models, their electrical parameters and the requirements for a project review.

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Specifications & interfaces

Request a current model specification, a drawing and documentation matching the exact battery configuration and intended equipment.

Review supporting documents ↗

Planning brief prepared 4 November 2026. No customer identity, achieved result, delivery or certification is asserted.

A useful conversation starts with a specification

Tell us what your equipment needs.

Share the load, dimensions and intended use. Ask for a current model specification and a project review.

Discuss your project

Product comparison