The Tenergy 12V 1600mAh NiMH Battery 11615 is a rechargeable power solution designed for devices requiring stable voltage and long runtime. It uses nickel-metal hydride chemistry, offering 1600mAh capacity, 12V output, and up to 1,000 charge cycles. Ideal for robotics, medical devices, and security systems, it outperforms alkaline batteries with eco-friendly reusability and minimal memory effect.
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How Does the Tenergy 12V 1600mAh NiMH Battery 11615 Work?
This battery uses nickel-metal hydride (NiMH) technology, where hydrogen ions interact with nickel oxyhydroxide electrodes to store energy. It delivers 12V consistently until 80% discharge, avoiding voltage drops common in alkaline batteries. Its 1600mAh capacity ensures extended runtime for medium-drain devices like cordless tools and emergency lighting.
The electrochemical process involves reversible proton exchange between positive and negative electrodes. Unlike NiCd batteries, NiMH chemistry eliminates toxic cadmium while improving energy density by 40%. During discharge, hydrogen atoms stored in a metal alloy release electrons through the external circuit. The battery maintains 90% efficiency at 0.2C discharge rates, making it suitable for applications requiring steady current over hours. Advanced separator technology prevents electrolyte stratification, ensuring consistent performance across 500+ cycles.
| Parameter | Specification |
|---|---|
| Nominal Voltage | 12V |
| Capacity | 1600mAh |
| Energy Density | 19.2Wh |
| Charge Temperature | 0°C to 45°C |
Why Choose NiMH Over Lithium-Ion for Specific Applications?
NiMH batteries like the Tenergy 11615 excel in safety (no thermal runaway risk), wider temperature tolerance, and lower cost. They’re preferable for devices requiring moderate energy density without strict weight constraints, such as industrial sensors or emergency exit signs, where lithium-ion’s complexity is unnecessary.
In medical environments where safety certifications are critical, NiMH avoids the stringent transportation regulations applied to lithium chemistries. These batteries withstand repeated deep discharges better than Li-ion, making them ideal for backup power systems. For example, emergency lighting units using NiMH maintain 85% capacity after 18 months of standby versus 60% for Li-ion equivalents. Their inherent overcharge resistance reduces required protection circuitry by 70% compared to lithium-based systems.
“The Tenergy 11615 fills a critical niche in mid-power applications. Its cycle life surpasses most NiMH competitors by 20%, and the low self-discharge rate makes it ideal for emergency systems. However, users should avoid pairing it with high-drain devices like DSLR flashes, where lithium-based options perform better.” – Industrial Power Systems Analyst
FAQs
- Can I use this battery in extreme cold?
- Yes, it operates at -20°C, but capacity drops to 60% at -10°C. Use insulation sleeves in freezing environments.
- Does it require a special charger?
- Any NiMH-specific charger with voltage cutoff works. Avoid old NiCd chargers, which may overcharge.
- Is the Tenergy 11615 airport-safe?
- Yes, NiMH batteries aren’t restricted like lithium. Keep terminals covered during travel to prevent short circuits.