VARTA 2/V250H 2.4V 250mAh NiMH Battery – Rechargeable Button Cell Battery for PCB Soldering

VARTA 2/V250H NiMH 2.4V 250mAh rechargeable button cell battery, designed for backup power on printed circuit boards (PCBs).
This battery is equipped with 3 mounting pins that allow for direct soldering onto a printed circuit board, ensuring a stable mechanical connection and excellent electrical reliability.

Thanks to Nickel-Metal Hydride (NiMH) technology, this rechargeable battery offers a long service life, no memory effect, and excellent charging and discharging performance. It is commonly used in water heaters, control boards, internal clocks, CMOS memory, and industrial or household electronic equipment.

This model complies with environmental standards (lead-, mercury-, and cadmium-free) and isUL-certified, ensuring safety and reliability.

Technical Specifications

• Manufacturer: VARTA

• Manufacturer's part number: 2/V250H

• Technology: NiMH (Nickel-Metal Hydride)

• Rated voltage: 2.4 V

• Rated capacity: 250 mAh

• Type: Rechargeable button cell battery

• Connection: 3 solder pins (PCB)

• Dimensions: Ø 25.1 × 13.8 mm

• Weight: ≈ 22 g

• No memory effect

• Long cycle life

• Free of lead, mercury, and cadmium

• UL Certification

Known Equivalences & Correspondences

Compatible with or equivalent to the following part numbers:

• VARTA 2/V250H

• V250H

• 2V250H

• NiMH 2.4V 250mAh Button Cell with PCB

• Can be used as a replacement for 2.4V NiCd button-cell batteries (depending on the charger)

⚠️ Always check the voltage, capacity, and pin configuration before replacing the battery.

Common Applications (Real-World Market)

• Electric Water Heaters (Electronic Control Boards, ACI, Control Systems)

• Memory Backup

• Real-Time Clocks (RTC)

• CMOS / BIOS

• Industrial Electronic Boards

• Automation Systems

• Home Automation Systems

• Home Appliances

• Low-Voltage Embedded Systems

Product Benefits

• Genuine VARTA Battery

• Direct mounting on PCB (3 pins)

• High reliability for memory backup

• NiMH technology is more durable than NiCd

• Complies with environmental standards

• The ideal solution for electronic maintenance and repair