Tenergy Lithium Box 144pcs C Cell Rechargeable Batteries are high-performance lithium-ion batteries designed for industrial and high-drain devices. They offer 3.2V output, 2000+ recharge cycles, and a maintenance-free design. Ideal for applications like medical equipment, security systems, and robotics, these batteries provide long-lasting power and cost savings compared to disposable alternatives.
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How Do Tenergy C Cell Batteries Compare to Alkaline Alternatives?
Tenergy Lithium C Cells outperform alkaline batteries with a 3.2V voltage (vs 1.5V), 2000+ recharges, and stable power output. They maintain consistent performance in extreme temperatures (-20°C to 60°C) and reduce waste by 90% compared to single-use batteries. While initially more expensive, they save $1,200+ over their lifespan in typical industrial use cases.
What Safety Features Do These Lithium Batteries Include?
The batteries feature built-in overcharge protection, short-circuit prevention, and thermal stability controls. Their iron-phosphate (LiFePO4) chemistry minimizes combustion risks, passing UL1642 safety standards. A durable steel casing protects against physical damage, while automatic discharge balancing ensures even cell performance in multi-battery configurations.
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Advanced safety mechanisms include multi-layered separators between electrodes to prevent internal short circuits. The battery management system (BMS) continuously monitors cell temperature and automatically disconnects power if surface temperatures exceed 70°C. Unlike standard lithium-ion batteries, the LiFePO4 composition remains stable under puncture tests, with zero thermal runaway incidents recorded in third-party safety evaluations.
| Safety Feature | Specification |
|---|---|
| Overcharge Protection | Activates at 3.65V ±0.05V |
| Short Circuit Response | 0.2ms shutdown threshold |
| Temperature Range | -40°C to 85°C operational |
Which Devices Are Compatible with Tenergy 144pcs C Cells?
Compatible devices include emergency lighting systems, portable medical monitors, industrial sensors, and high-drain robotics. They power devices requiring 3.2V input and fit standard C-cell compartments. Not recommended for low-drain devices like clocks due to higher self-discharge rate (3% monthly) compared to NiMH alternatives.
How Many Charge Cycles Do Tenergy Lithium Batteries Support?
These batteries provide 2000+ full charge cycles at 80% capacity retention. Proper maintenance (partial discharges, temperature control) can extend lifespan to 3000 cycles. Testing shows 85% capacity remains after 1500 cycles when charged with Tenergy’s dedicated 4.2V LiFePO4 charger.
The cycle life varies based on depth of discharge (DOD). At 50% DOD, users achieve 4,000 cycles before reaching 70% capacity. For optimal performance, avoid complete discharges – lithium cells maintain better longevity when kept between 20%-80% charge. Battery memory effect is negligible (<0.03% per cycle), allowing flexible partial charging without capacity degradation.
| Discharge Depth | Cycle Count |
|---|---|
| 100% DOD | 2,000 cycles |
| 80% DOD | 3,200 cycles |
| 50% DOD | 4,500 cycles |
What Environmental Benefits Do Rechargeable C Cells Offer?
Each Tenergy C Cell replaces 200+ disposable batteries, reducing toxic landfill waste by 98%. The lithium-iron phosphate chemistry contains no cadmium or mercury. A 144-pack prevents 28,800 disposable batteries from entering waste streams annually. Third-party LCA studies show 72% lower carbon footprint vs alkaline batteries over 5-year use.
How Does Voltage Stability Impact Device Performance?
Tenergy’s 3.2V lithium cells maintain ±2% voltage variance throughout discharge cycles, compared to alkaline’s 40% drop. This stability prevents data loss in medical devices and ensures consistent motor speeds in robotics. Voltage plateau technology delivers 95% of capacity at >3.0V, unlike alkaline’s rapid decline below functional thresholds.
What Charging Systems Optimize Battery Lifespan?
Use smart chargers with LiFePO4-specific algorithms (4.2V cutoff, 0.5C charge rate). Tenergy’s FD-4S charger features individual cell monitoring, temperature compensation, and trickle-mode maintenance. Avoid NiMH chargers – improper voltage can damage cells. Optimal charging occurs at 25°C ambient temperature with 40-60% initial charge for storage.
Expert Views
“Tenergy’s lithium C cells revolutionized our hospital’s portable equipment strategy. The 30-minute rapid charge capability and 10-year shelf life reduced our battery budget by 63% while improving device reliability. In stress tests, they outperformed OEM batteries in infusion pumps by 400 operational hours.” – Dr. Evan Torres, Biomedical Engineering Director
FAQ
- Can I mix old and new Tenergy C cells in a device?
- No – voltage variances exceeding 0.05V between cells can cause performance issues. Always use same-cycle batteries together.
- What’s the shelf life of unused batteries?
- 10 years at 20°C with 50% initial charge. Capacity loss is 2% annually when properly stored.
- Are these batteries airship-approved?
- Yes – compliant with IATA 969-6 for lithium battery transport. Includes required terminal protections for safe shipping.