Tenergy NiCd 2.4V 1000mAh rechargeable batteries stand out for their durability, stable voltage output, and cost-effectiveness in high-drain applications. These batteries feature a nickel-cadmium chemistry optimized for devices like solar lights, medical equipment, and RC toys. With 500+ charge cycles and a rugged temperature tolerance (-20°C to 60°C), they outperform disposable alternatives in long-term usage scenarios.
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How Do Tenergy NiCd Batteries Compare to Other Rechargeable Types?
Tenergy NiCd batteries offer three key advantages over NiMH and Li-ion alternatives: 1) Superior performance in extreme temperatures, 2) Resistance to voltage depression (memory effect), and 3) Lower self-discharge rates during storage (15-20% monthly vs. 30% for NiMH). However, they have lower energy density (60 Wh/kg) compared to modern NiMH (100 Wh/kg) batteries.
| Parameter | NiCd | NiMH | Li-ion |
|---|---|---|---|
| Energy Density | 60 Wh/kg | 100 Wh/kg | 265 Wh/kg |
| Temp Range | -20°C to 60°C | -10°C to 45°C | 0°C to 45°C |
| Self-Discharge/Month | 15-20% | 30% | 2-5% |
What Are the Key Features of Tenergy NiCd 2.4V 1000mAh Batteries?
Critical specifications include: • Flat-top cell design for secure compartment fit • Standard 1C charge rate (1000mA) • 2.4V nominal voltage (1.2V per cell) • 1000mAh capacity at 0.1C discharge • UL, CE, and RoHS certifications • Standard 14.5mm diameter x 50mm height form factor
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The flat-top design ensures compatibility with spring-loaded contacts in older equipment, while the UL certification guarantees compliance with North American safety standards. These cells maintain 85% of their rated capacity after 12 months storage, making them ideal for emergency systems. The 1C charge rate enables full recharges in 1.5 hours using compatible chargers, though experts recommend 0.5C charging for maximum cycle life.
| Specification | Value |
|---|---|
| Diameter | 14.5mm ±0.2mm |
| Cycle Life | 500+ cycles |
| Operating Humidity | ≤75% RH |
Why Choose NiCd Over Modern Battery Chemistries?
NiCd remains preferred for: ▸ Cold-chain logistics monitoring devices ▸ High-vibration industrial equipment ▸ Legacy systems requiring precise 2.4V input ▸ Budget-conscious fleet operations needing 5+ year ROI ▸ Applications where rapid charging (15-30 minute boosts) outweighs energy density requirements.
In freezing environments, NiCd batteries maintain 90% capacity where Li-ion cells become unusable. Their sealed construction withstands 15G vibration loads, making them essential for railroad signaling and construction equipment. For legacy medical devices designed around 2.4V systems, NiCd provides direct replacements without requiring voltage regulation circuits. Industrial users report 7-10 year service lives when implementing proper maintenance schedules.
Expert Views: Industry Perspectives on NiCd Technology
“While often overshadowed by newer chemistries, NiCd batteries like Tenergy’s 2.4V model remain indispensable in mission-critical applications. Their ability to deliver full-rated capacity at -20°C makes them the only viable option for Arctic research stations and cold storage monitoring systems. Properly maintained, these workhorses outlast 80% of Li-ion alternatives in high-cyclic stress environments.”
— Dr. Elena Voss, Power Systems Engineer at Northern Tech Solutions
FAQ
- How many charge cycles do Tenergy NiCd batteries support?
- Rated for 500+ cycles when discharged to 1.0V/cell, though real-world data shows 700+ cycles achievable with proper maintenance. Capacity typically degrades to 80% after 300 cycles.
- Can I use these batteries in series/parallel configurations?
- Series connections are safe for creating 4.8V/7.2V packs. Avoid parallel setups due to potential current imbalance. Always use matched cells from same production batch when creating multi-cell arrays.
- What’s the proper disposal method for spent NiCd batteries?
- US residents must utilize Call2Recycle locations (over 34,000 sites). Never landfill – cadmium is a toxic heavy metal. Tenergy offers prepaid recycling mailers for bulk users (10+ batteries).