JETRAY / Battery engineering & sourcingShenzhen, Chinasale1@jetray.cn ↗
JETRAYCoin Cell BatteriesBlog
APPLICATION PLANNING EXAMPLE

Clock and memory backup selection

A backup circuit needs a coin cell that fits its voltage limits, holder and expected maintenance interval. Similar appearance is not sufficient for substitution.

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

Clock and memory backup

A backup circuit needs a coin cell that fits its voltage limits, holder and expected maintenance interval. Similar appearance is not sufficient for substitution.

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

  • Identify the approved chemistry and exact model format.
  • Share backup current, cutoff voltage and storage conditions.
  • Review holder dimensions, polarity and replacement access.

02 / Review the sample

  • Check the holder and device drawing against the chosen format.
  • Evaluate voltage over the relevant circuit load conditions.
  • Follow the cell manufacturer’s handling and installation instructions.

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.

Specify a holder or supplier-approved tab assembly, polarity and mechanical drawing before ordering.

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.

Coin Cell Batteries

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

Explore the collection ↗

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