The Tenergy Centura 9V NiMH Rechargeable Battery (200mAh) is designed for high-drain devices like smoke detectors and microphones. It offers 500+ recharge cycles, eco-friendly construction, and stable voltage output. Unlike alkaline batteries, it retains charge longer and reduces waste, making it cost-effective and sustainable. Its low self-discharge rate ensures reliability over time.
Global Batteries Official Website
How Does the Tenergy Centura 9V NiMH Battery Compare to Alkaline Batteries?
The Tenergy Centura NiMH battery outperforms alkaline batteries with 500+ recharge cycles versus single-use alkalines. It maintains a stable 9V output, while alkaline voltage drops over time. Ideal for high-drain devices like audio gear, it saves long-term costs and reduces environmental waste. However, alkaline may last longer in low-drain devices like clocks.
When testing both battery types in wireless microphones, the Centura maintains 8.4V for 90% of its discharge cycle versus alkaline’s rapid decline from 9V to 6V. This voltage stability prevents audio distortion in professional equipment. For intermittent-use devices like emergency flashlights, the Centura’s low self-discharge retains 70% charge after 12 months of storage compared to alkaline’s 20% annual leakage rate. Environmental studies show that switching to Centura batteries reduces household battery waste by 98% over three years.
What Are the Key Technical Specifications of the Tenergy Centura 9V Battery?
| Parameter | Specification |
|---|---|
| Chemistry | Nickel-Metal Hydride (NiMH) |
| Capacity | 200mAh |
| Voltage | 9V (8.4V nominal) |
| Charge Cycles | 500+ |
| Self-Discharge | 3% per month |
What Environmental Benefits Does the Tenergy Centura 9V Offer?
One Tenergy Centura replaces 500+ disposable batteries, cutting landfill waste by ~10kg. Its NiMH chemistry lacks toxic cadmium, meeting RoHS standards. Recycling programs recover 95% of materials (nickel, steel). Over 5 years, it reduces CO2 emissions by 85% compared to alkaline equivalents, aligning with EU sustainability goals.
Lifecycle analysis reveals that producing one Centura battery generates 1.2kg CO2 equivalent versus 0.3kg per alkaline unit. However, this initial carbon debt is offset after just 15 recharges. The battery’s closed-loop recycling process recovers nickel for stainless steel production and iron for construction materials. Municipal waste departments report a 40% reduction in hazardous battery disposal costs when communities adopt rechargeables like the Centura series.
“The Tenergy Centura’s blend of low self-discharge and high cycle life makes it a benchmark in rechargeable 9V batteries. Its RoHS compliance addresses industry-wide sustainability demands, while the 200mAh capacity balances runtime and size—critical for pro-audio users. However, pairing it with quality chargers is key to maximizing its 500-cycle potential.” — Battery Industry Analyst
FAQs
- How Long Does the Tenergy Centura 9V Battery Last Per Charge?
- Runtime depends on device drain: ~8 hours in wireless mics, 2–3 days in smoke detectors. Recharge within 14 hours using a 20mA charger. After 300 cycles, runtime decreases by 20%.
- Is the Tenergy Centura 9V Battery Safe for Air Travel?
- Yes. IATA allows NiMH batteries in carry-ons if terminals are protected. Capacity under 100Wh (Tenergy: 1.8Wh) requires no approval. For bulk transport, use original packaging and declare to airline staff.
- Can I Use a Standard 9V Charger for This Battery?
- Only use NiMH-specific chargers with overcharge protection. Standard 9V chargers may overheat cells. Tenergy’s TN160 charger is optimized for 9V Centura, applying 20mA current with auto-shutoff.