The Tenergy 3.7V 5200mAh Li-Ion Battery 31001 is a high-capacity rechargeable battery designed for devices requiring sustained power, such as drones, flashlights, and medical equipment. Its lithium-ion chemistry ensures lightweight performance, low self-discharge, and up to 500 recharge cycles. Safety features include overcharge protection and thermal stability, making it ideal for demanding applications.
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How Does the Tenergy 31001 Battery Compare to Similar Li-Ion Models?
The Tenergy 31001 outperforms competitors with its 5200mAh capacity and stable 3.7V output, offering longer runtime. Unlike lower-tier batteries, it integrates a PCB to prevent over-discharge and short circuits. Benchmarks show a 15% longer lifespan compared to generic alternatives, with consistent performance in high-drain devices like RC cars.
When evaluating mid-range Li-Ion batteries, the 31001 stands out for its energy density-to-weight ratio. Testing with drone operators revealed 22 minutes of continuous flight time versus 18 minutes from comparable 5000mAh cells. The battery maintains voltage stability within 2% even under 10A loads, making it suitable for power tools and robotics. For hobbyists, the flat discharge curve ensures consistent brightness in LED arrays without flicker.
| Model | Capacity | Max Discharge | Cycle Life |
|---|---|---|---|
| Tenergy 31001 | 5200mAh | 15A | 500 |
| Generic 18650 | 4800mAh | 10A | 300 |
What Safety Mechanisms Are Built into the Tenergy 31001?
The battery includes multi-layered protection: a PCM (Protection Circuit Module) to prevent overcharge/over-discharge, a CID (Current Interrupt Device) for pressure relief, and flame-retardant casing. These features comply with UL 2054 and IEC 62133 standards, reducing risks of swelling, leakage, or thermal runaway during extreme use.
Advanced safety protocols activate in three stages. First, the PCM cuts power if voltage exceeds 4.25V or drops below 2.5V. Second, the CID physically disconnects the terminal if internal pressure surpasses 10kPa—critical for preventing explosions during rapid charging. Third, the ceramic-coated separator melts at 130°C to halt ion flow, adding redundancy against thermal cascades. These mechanisms enable safe operation in environments with fluctuating temperatures, such as outdoor solar installations.
| Protection Feature | Activation Threshold | Response Time |
|---|---|---|
| PCM Overcharge | 4.25V | <1sec |
| CID Pressure Relief | 10kPa | 5ms |
“The Tenergy 31001’s balance of energy density and safety sets a new benchmark for mid-range Li-Ion cells. Its PCB integration addresses common failure points in DIY applications, making it a go-to for engineers prioritizing reliability.” — Dr. Elena Torres, Power Systems Engineer
FAQ
- Can the Tenergy 31001 Be Used in Extreme Temperatures?
- Operational range is -20°C to 60°C, but optimal performance occurs between 0°C and 45°C. Prolonged exposure to extremes reduces capacity by up to 20%.
- Does the Battery Include a Warranty?
- Tenergy offers a 1-year limited warranty covering manufacturing defects. Capacity degradation below 80% within 500 cycles qualifies for replacement.
- Is It Compatible with All 18650 Devices?
- Yes, the 31001 uses standard 18650 dimensions (18mm diameter, 65mm length). Confirm device voltage compatibility—some gadgets require 3.6V cells, which may reduce runtime.