Varta CoinPower CP 1250 A4 - User Manual

www.varta-ag.com/explore-A4
Technical Handbook
CoinPower
Rechargeable Li-Ion Button Cells
Generation A4

Summary

General Information

1.1 Definitions

Charging and Discharging

3.1 Charging

Details charging procedures, rates (0.5C, 1C, 2C), voltage limits (4.3V), and temperature ranges for optimal charging.

3.2 Discharging

Covers discharge current capabilities (2C continuous, 3C pulse), temperature range, and over-discharge prevention.

3.3 Charging IC

Reliability and life expectancy

Storage

Safety

6.1 Safety Tests

Summarizes safety compliance with UL 1642, IEC 62133, UN IATA 38.3 standards and internal testing procedures.

6.2 Product Safety

Explains built-in safety features like CID and venting holes that ensure cell safety under abusive conditions.

6.3 Protection Circuit Module (PCM)

Details the essential functions of a Protection Circuit Module (PCM) for safeguarding CoinPower batteries.

Handling Precautions and Prohibitions

7.1 General Information

7.2 Charging

Emphasizes critical charging parameters: current limits, voltage caps, temperature range, and reverse charging prohibition.

7.3 Discharging

7.4 Protection Circuit Module (PCM)

Specifies mandatory PCM functions for overcharge, over-discharge, over-current, and short-circuit protection.

Battery Assembly

8.3 Soldering

Varta CoinPower CP 1250 A4 Specifications