The Tenergy RCR123A 3.7V 750mAh Lithium Battery is a rechargeable power source optimized for high-drain devices like flashlights, security systems, and medical equipment. Its lithium-ion chemistry provides stable voltage output, 750mAh capacity for extended runtime, and a durable design supporting 500+ charge cycles. Unlike disposable alternatives, it offers cost-efficiency and reduced environmental waste.
How to Prevent Lithium-Ion Battery Fires and Explosions
What Safety Features Protect Tenergy RCR123A Lithium Batteries?
Multiple safeguards include: PTC thermal fuses, CID pressure valves, and PCB protection boards. These prevent thermal runaway during extreme temperatures (>80°C) and voltage spikes. Internal separators block dendrite formation, reducing short-circuit risks. UL certification ensures compliance with UN38.3 transportation safety standards.
Advanced safety mechanisms work synergistically to create multiple fail-safes. The Positive Temperature Coefficient (PTC) fuse increases resistance when temperatures exceed 85°C, effectively throttling current flow. Simultaneously, the Current Interrupt Device (CID) permanently disconnects the circuit if internal pressure reaches 2.4 MPa – critical for preventing rupture during accidental overcharging. Third-party testing reveals these batteries withstand nail penetration tests for 60 minutes without combustion, outperforming 78% of comparable lithium cells. For users handling multiple batteries, the reverse polarity protection ensures safe installation even if cells are improperly oriented in multi-battery devices.
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| Safety Feature | Activation Threshold | Protection Type |
|---|---|---|
| PTC Thermal Fuse | 85°C | Current Limitation |
| CID Valve | 2.4 MPa | Circuit Disconnect |
| PCB Overcharge | 4.35V | Voltage Cutoff |
How Does Tenergy RCR123A Perform in Extreme Temperatures?
In sub-zero conditions (-20°C), capacity reduces to 65% of rated value but recovers when warmed. High-temperature operation (60°C) accelerates degradation—cycle life decreases by 40% compared to 25°C usage. Insulated battery sleeves maintain optimal performance during winter expeditions or desert deployments.
Thermal management proves crucial for maintaining efficiency across temperature extremes. When operating at -20°C, the electrolyte viscosity increases by 300%, temporarily reducing ion mobility. However, the battery’s nickel-plated steel casing facilitates rapid thermal equalization, recovering 92% of lost capacity when ambient temperatures rise above 0°C. In desert conditions, users report 18% longer runtime compared to standard LiFePO4 batteries due to optimized cathode composition. Military field tests demonstrate reliable operation through 72-hour cycles alternating between -15°C night patrols and 50°C daytime vehicle storage, with only 11% capacity loss after 30 exposure cycles.
| Temperature Range | Capacity Retention | Cycle Life Impact |
|---|---|---|
| -20°C to 0°C | 65-72% | 15% Reduction |
| 25°C to 45°C | 98-100% | Normal |
| 45°C to 60°C | 89-93% | 40% Reduction |
“The Tenergy RCR123A represents the sweet spot between performance and affordability in rechargeable lithium cells. Its balanced discharge curve makes it ideal for precision equipment where voltage stability is critical. While not the highest capacity option available, its cycle life and safety features set a benchmark for the industry.” — Power Systems Engineer, BatteryTech Analytics
FAQs About Tenergy RCR123A 3.7V 750mAh Lithium Battery
- Can I use these in devices designed for 3V CR123A?
- Yes, with a voltage regulator. Direct use may damage 3V-only devices.
- How many recharge cycles before replacement?
- 500+ cycles maintaining ≥80% capacity with proper care.
- Are these batteries airline-approved?
- Yes—IATA Class 9 compliant when transported in carry-on luggage.