Button cell battery Varta V2/CP300H SLF++ 300 mAh 2.4 V — coin cell power supply

Varta V2/CP300H SLF++ is a 2.4 V button cell with a nominal capacity of 300 mAh, designed for compact electronic devices that need a stable low-voltage power source. The cell delivers reliable discharge characteristics and a long shelf life, making it suitable for applications where a steady backup or primary supply is required. Its coin-shaped form factor allows straightforward replacement in compatible holders and small equipment where space is limited.

Advantages

The battery offers consistent voltage output over typical discharge cycles and a capacity suitable for low-drain applications. Its compact size supports installations in small modules while maintaining predictable performance in a range of temperatures. The chemistry and design emphasize long shelf life and dependable operation for memory backup, small sensors and other devices that need extended standby power.

Suitable for

• Memory backup in electronic modules and systems
• Small sensors and IoT modules with low current draw
• Watches and portable timing devices
• Medical instruments with compact battery compartments
• Replacement in compatible coin cell holders

Key specifications

• Nominal voltage: 2.4 V
• Nominal capacity: 300 mAh
• Form factor: coin/button cell
• Intended use: low-drain and standby power applications
• Typical shelf life: long-term storage stability
• Temperature range: suitable for normal consumer and industrial ambient conditions

How to use

Insert the coin cell into the device’s battery holder observing polarity markings; ensure the positive and negative terminals align with the device contacts. For devices with a retention clip or cover, secure the cell so it remains in firm contact during operation. Replace the cell when the device indicates low voltage or when performance degrades. Dispose of used cells according to local regulations for battery recycling and hazardous waste.

Recommendations

Store unused batteries in a cool, dry place away from direct sunlight and heat sources. Avoid mixing old and new cells or different chemistries in the same device. For reliable backup performance, replace the battery before the end of its expected service life if used in critical systems.