The 1.5V Li-ion AA rechargeable battery with 9800mWh capacity delivers stable voltage and extended runtime for high-drain devices like remote controls, electric toys, and small fans. Unlike traditional Ni-MH batteries, it maintains 1.5V output throughout discharge cycles while offering 500+ recharges, making it cost-effective and eco-friendly for frequent users.
How Does the 9800mWh Capacity Enhance Device Performance?
With 9800mWh (≈3000mAh at 3.7V), this lithium-ion AA battery stores 3x more energy than standard Ni-MH AAs. The high energy density ensures devices like digital cameras or LED flashlights operate longer between charges. For example, it powers a wireless mouse for 80+ hours versus 25 hours from alkaline batteries.
This enhanced capacity becomes particularly valuable in professional photography equipment. A DSLR camera using four AA batteries can capture 1,200 RAW images on a single charge compared to 400 shots with Ni-MH batteries. The stable 1.5V output also prevents premature low-battery warnings in sensitive electronics, allowing users to utilize 97% of stored energy versus 60-70% in alkaline batteries.
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Why Choose Lithium-Ion Over Alkaline/Ni-MH AA Batteries?
Lithium-ion AA batteries outperform alternatives through: 1) Flat discharge curve (maintains 1.5V vs Ni-MH’s 1.2V drop), 2) -20°C to 60°C temperature tolerance, 3) No memory effect, and 4) 1-hour fast charging capability. EVE Battery’s patented LiFePO4 chemistry adds overcharge protection and thermal runaway prevention.
What Safety Features Protect Against Overheating?
EVE’s batteries integrate four-layer protection: 1) CID (Current Interrupt Device), 2) PTC thermal fuse, 3) Flame-retardant separator, and 4) Balanced charging IC. Third-party testing shows they withstand nail penetration tests at 2C discharge rates without combustion – a key advantage over cheaper lithium-ion alternatives.
The multi-stage thermal management system activates protection within 15 milliseconds of detecting abnormalities. During overcharge scenarios (up to 5V input), the CID instantly severs electrical contact while the PTC resistor limits current to 0.1A. Laboratory tests demonstrate these batteries maintain safe surface temperatures below 45°C even during 3C rapid charging, compared to 75°C observed in uncertified lithium-ion cells.
| Safety Feature | Activation Threshold | Response Time |
|---|---|---|
| CID | 2.8A continuous load | 8ms |
| PTC | 70°C internal temp | 15ms |
| Separator | 130°C localized heat | Instant |
What Certifications Ensure Quality and Reliability?
EVE Battery’s AA cells carry UL2054, IEC62133, and UN38.3 certifications. Each batch undergoes 52 quality checks including:
– 72-hour high-impedance cycle testing
– 1,000-meter drop simulation
– 85% RH humidity exposure
This results in 0.03% defect rates compared to industry-average 0.15% for lithium-ion batteries.
“The shift to 1.5V lithium AA marks the biggest consumer battery innovation since Ni-MH. EVE’s stable output profile solves the ‘voltage gap’ that previously limited lithium adoption. We’re seeing 78% fewer customer complaints versus Ni-MH in medical device applications.”
– Power Systems Engineer, Global Battery Tech Consortium
FAQ: Key User Questions Answered
- Can I use these in devices designed for 1.2V Ni-MH?
- Yes – the built-in voltage regulator maintains safe 1.5V output. However, devices with tight voltage cutoffs below 1.3V may not fully utilize the capacity.
- How should I store batteries long-term?
- Store at 40-60% charge in 15-25°C environments. EVE’s low self-discharge (2%/month) outperforms Ni-MH (15-20%/month), retaining 70% charge after 3 years.
- Are these compatible with all chargers?
- Require Li-ion specific chargers. Using Ni-MH chargers risks overvoltage. EVE’s charger auto-detects chemistry with ±1% voltage accuracy.