BLOG & TECHNICAL GUIDES

A working library for better specifications.

Practical reading about selection, integration and purchasing. Each guide includes source references and connects to a relevant project discussion.

FEATURED BLOG GUIDE / SMALL-FORMAT PRIMARY POWER

Primary or Rechargeable Coin Cell: Start with the Circuit

Choose a coin-cell family by chemistry, voltage, charging behavior and load rather than diameter alone.

3 original guides · Jetray editorial team · Updated 4 November 2026

Engineering insight · 3 min read

Choose a coin-cell family by chemistry, voltage, charging behavior and load rather than diameter alone.

Engineering insight · 3 min read

Build a realistic coin-cell evaluation around standby current, transmission pulses, temperature and the equipment cutoff voltage.

Engineering insight · 3 min read

Make a coin-cell inquiry precise with cell identity, terminal drawings, PCB constraints, packaging and device evaluation requirements.

Choose a reading path

The Blog connects practical product selection with integration and purchasing decisions.

Start here when…	Consider these questions	Read next
You are defining the requirement.	The shape does not define the chemistry · Review the full voltage requirements	Primary or Rechargeable Coin Cell: Start with the Circuit
You are integrating a configuration.	Begin with a complete duty cycle · Use arithmetic as an initial estimate	Why Coin-Cell Runtime Needs More Than a Capacity Number
You are preparing an RFQ or evaluation.	Specify the cell and mounting as one assembly · Provide a controlled PCB and terminal drawing	Coin-Cell Terminals and Holders: What to Include in an OEM RFQ

A useful conversation starts with a specification

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