3.6V 40mAh Button Ni-MH Rechargeable Battery for PLC Controllers CNC Machines Data Power Supply

3.6V 40mAh Button Ni-MH Rechargeable Battery Pack for PLC / CNC / Data Backup

High-quality nickel-metal hydride (Ni-MH) button cell battery pack designed for PLC controllers, CNC machines, and data backup power applications. Available in two connection styles (solder tabs or pre-wired leads) and multiple quantity options — from single-piece to bulk orders of 300 pcs.

Key Features:

• Voltage: 3.6V nominal (3 × 1.2V Ni-MH cells in series)
• Capacity: 40mAh standard (20mAh / 80mAh / 160mAh / 330mAh available on request)
• Chemistry: Ni-MH (Nickel-Metal Hydride)
• Button cell configuration for compact, space-saving installation
• Two connection styles: solder tabs (w/tabs) or pre-soldered wire leads (w/wires)
• Rechargeable — long cycle life and stable performance
• No memory effect — can be recharged at any time
• Reliable backup power for critical industrial systems

Specifications:

Available Options:

※ w/tabs = solder tab terminals for direct PCB soldering  |  w/wires = pre-soldered wire leads for easy plug-in connection

Applications:

• PLC (Programmable Logic Controller) backup power
• CNC machine memory retention
• Industrial control systems
• SRAM / CMOS data backup and retention
• Emergency and standby power supply
• Robotics and automation equipment

Safety Information:

Charging: Use only approved chargers designed for Ni-MH batteries. Do not exceed recommended charging current. Charge in a well-ventilated area.

Storage: Store in a cool, dry place away from direct sunlight. Recommended storage temperature: 0°C to 25°C. Store partially charged (40–60%) for long-term storage.

Operation: Do not short circuit, crush, puncture, or expose to fire or excessive heat. Do not disassemble or modify the battery.

Temperature: Operating temperature range: -20°C to +60°C. Charging temperature: 0°C to 45°C.

Disposal: Recycle or dispose of according to local regulations. Do not dispose of in regular trash.

Inspection: Regularly inspect for signs of damage, swelling, or leakage. Discontinue use immediately if any abnormalities are detected.

Shipping & Transportation Notice:

Hazardous Material: This product contains batteries and may be subject to dangerous goods regulations for transportation.

Air Transport: Shipping by air may be restricted or require special documentation and packaging per IATA Dangerous Goods Regulations.

Packaging: Products are packaged according to applicable transportation safety standards to ensure safe delivery.

Delivery Time: International shipments may experience delays due to customs clearance, carrier requirements, and dangerous goods handling procedures.

Documentation: Commercial invoice and material safety data sheet (MSDS) may be required for customs clearance in certain countries.

Note: Please contact us to confirm the specific capacity or custom configuration that meets your application requirements before ordering. Custom capacities (20mAh / 80mAh / 160mAh / 330mAh) are available upon request.