Ni-Cd 4/5SC Battery Guide: Specs, Applications & Sourcing

The Ni-Cd 4/5SC (Nickel-Cadmium 4/5 Sub-C) battery is a specialized rechargeable cell primarily serving industrial niches and legacy device maintenance. While broadly displaced by Lithium-ion in consumer electronics, the Ni-Cd market remains resilient in specific "mission-critical" sectors.

Product Specifications & Applications

* Dimensions: Typically 23mm (diameter) x 34mm (height) Batterycanada Batteryguy.

* Performance: Nominal voltage of 1.2V with capacities ranging from 1200mAh to 2400mAh Made-In-China Zbattery.

* Core Applications: Primarily used in cordless power tools (e.g., drills, screwdrivers), emergency lighting, medical equipment, and cordless vacuum cleaners due to their ability to handle high discharge rates and extreme temperatures Alibaba Aliexpress.

Market Trends & Insights (2025–2035)

* Growth Outlook: The global Ni-Cd battery market is projected to grow from $1.87B in 2025 to $3.16B by 2035 at a CAGR of 5.4% Marketresearchfuture Sphericalinsights. Growth is driven by industrial modernization in the Asia-Pacific region, particularly in railway electrification and aviation Fortunebusinessinsights.

* Sector Shift: Demand is moving away from retail consumers toward heavy industrial, defense, and aviation sectors where reliability and certification (FAA/EASA) create significant barriers to entry for newer technologies Fortunebusinessinsights.

* Regulatory Landscape: The market faces significant headwinds from environmental regulations regarding cadmium toxicity. EU RoHS and new recycling mandates (Digital Battery Passports by 2027) are forcing manufacturers toward closed-loop recycling systems Fortunebusinessinsights.

I have compiled a list of available Ni-Cd 4/5SC products and battery packs from verified suppliers, which you can find in the attached files.