Awex – 3.6V 4000mAh D Ni-CD Rechargeable Cell – Open Type – High Capacity – Deep Discharge Resistant

Awex – 3.6V 4000mAh D Ni-CD Rechargeable Cell – Open Type – High Capacity – Deep Discharge Resistant

The Awex 3.6V 4000mAh is a professional-grade nickel-cadmium (Ni-CD) rechargeable cell in the popular D size. With a high capacity of 4000mAh, robust metal housing, and open (unsealed) construction, this cell is designed for demanding applications requiring reliable power, deep discharge tolerance, and operation in extreme temperatures. Ideal for high-power flashlights, industrial equipment, power tools, measuring devices, and backup systems.

Features

• High capacity: 4000mAh (4.0Ah) — extended runtime for power-hungry devices.
• D size format: Standard D cell dimensions — compatible with devices designed for D batteries.
• Nickel-cadmium technology: Proven Ni-CD chemistry known for durability, long cycle life, and excellent performance under heavy loads.
• Deep discharge resistance: Can be fully discharged without damage — ideal for applications with irregular usage patterns.
• Low temperature performance: Maintains reliable operation even in cold environments.
• Metal housing: Durable steel case with open (unsealed) construction — allows venting during overcharge conditions.
• Universal application: Suitable for home, industrial, and specialist equipment.
• Economical choice: Hundreds of charge/discharge cycles — long service life and low total cost of ownership.

Benefits

• Perfect for high-drain devices: professional flashlights, portable power tools, and industrial instruments.
• Excellent value — replace hundreds of disposable D batteries with one rechargeable cell.
• Environmentally friendly — reduces hazardous waste compared to disposable batteries.
• Robust and reliable — withstands harsh conditions, vibrations, and rough handling.
• Fast charging capable (with appropriate Ni-CD charger).
• Simple maintenance — periodic discharge cycles recommended for optimal performance.

Ideal Applications

• High-power flashlights: Search and rescue, security, camping, and tactical lights.
• Industrial equipment: Portable measuring instruments, sensors, and monitoring devices.
• Power tools: Cordless screwdrivers, drills, and small power tools accepting D cells.
• Medical devices: Portable medical equipment requiring reliable power.
• Backup systems: Emergency lighting, security systems, alarm panels.
• Toys: Large battery-operated toys, ride-on vehicles, and hobby equipment.
• Communication equipment: Portable radios and two-way communication devices.
• Renewable energy: Small-scale solar storage and backup applications.

Technical Specifications

• Battery type: Nickel-Cadmium (Ni-CD) rechargeable cell
• Size: D (R20 / LR20 compatible dimensions)
• Nominal voltage: 3.6V DC
• Nominal capacity: 4000mAh (4.0Ah)
• Construction: Open (unsealed) type — allows venting
• Housing: Durable metal casing
• Deep discharge tolerance: Yes — designed for heavy-duty cycles
• Fast charging capability: No (standard Ni-CD charging recommended)
• Operating temperature: Excellent low-temperature performance
• Application: Universal — home, industrial, professional
• Battery pack: Individual cell (not assembled into pack)
• Manufacturer code: 3.6V 4000mAh

Care Instructions

• Charge with appropriate Ni-CD charger designed for 3.6V D cells (recommended charging current typically 400-800mA).
• Periodically discharge and recharge to prevent memory effect and maintain capacity.
• Store in a cool, dry place when not in use.
• Keep away from children and pets.
• Do not short-circuit, disassemble, or expose to fire.
• Recycle responsibly at end of life — Ni-CD batteries contain recyclable materials.
• Open type cells may vent during overcharge — ensure adequate ventilation.

Awex 3.6V 4000mAh D Ni-CD – Industrial-Grade Power

• High capacity: 4000mAh for extended runtime.
• Durable: Built for demanding industrial applications.
• Reliable: Deep discharge resistant — works when you need it.
• Versatile: Fits hundreds of D-cell devices.
• Economical: Hundreds of cycles — lowest cost per use.
• Proven technology: Trusted Ni-CD chemistry for critical applications.