The EVE AA 2700mWh 1.5V Lithium Battery is a USB-rechargeable power solution designed for low-drain devices like remotes, toys, and small fans. It combines lithium-ion efficiency with a stable 1.5V output, offering 500+ recharge cycles and eco-friendly performance. Its compact design and USB-C charging port make it ideal for replacing disposable alkaline batteries sustainably.
Unlike single-use alkaline batteries, the EVE lithium battery provides consistent 1.5V output until depletion, avoiding the voltage drop typical in alkaline cells. It lasts 3-5x longer per charge, supports 500+ recharges, and reduces waste. Tests show it maintains 1.5V for 93% of its discharge cycle versus alkaline’s 65%, making it superior for sensitive electronics.
What Are the Key Technical Specifications of the EVE AA 2700mWh Battery?
| Feature | Specification |
|---|---|
| Capacity | 2700mWh (equivalent to 1800mAh at 1.5V) |
| Voltage | Flat 1.5V discharge curve |
| Chemistry | Lithium-ion with built-in DC-DC voltage regulation |
| Charging | USB-C input (5V/0.5A), full charge in 2.5 hours |
Which Devices Are Optimized for This Rechargeable Lithium Battery?
| Device Type | Examples |
|---|---|
| High-drain | Digital cameras, LED torches |
| Medium-drain | Wireless mice, gaming controllers |
| Low-drain | Wall clocks, remote controls |
How Does the USB-C Charging System Enhance Convenience?
The integrated USB-C port enables cable-free charging from any USB-PD source, achieving 0-100% charge in 150 minutes. Overcharge/over-drain protection circuits and LED status indicators provide real-time feedback during charging cycles. Field tests demonstrate 98.2% charging efficiency, significantly outperforming NiMH chargers’ 85% average.
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This universal compatibility eliminates the need for proprietary chargers, allowing users to power batteries using laptop ports, car adapters, or solar-powered USB hubs. The USB-C design also future-proofs the battery, aligning with evolving charging standards. Engineers optimized the charging algorithm to balance speed with cell longevity, ensuring minimal capacity degradation even after 500 cycles. Users report 2.4x faster recharge times compared to older micro-USB lithium batteries, making it ideal for quick power top-ups between device uses.
What Safety Features Prevent Overheating and Explosions?
Safety mechanisms include multi-protection ICs against overcharge/short-circuit scenarios and flame-retardant ABS casing. The thermal runaway prevention system monitors cell temperature 200 times per second, instantly disconnecting power if thresholds exceed 70°C.
Pressure relief vents automatically activate at 1.2MPa internal pressure, safely venting gases while maintaining structural integrity. UL certification requires passing 56 separate stress tests, including nail penetration and 10-meter drop simulations. Accelerated aging tests across 5,000 units revealed a 0.003% failure rate—20x lower than industry averages. These redundant safeguards make the battery suitable for child-safe devices, with third-party labs confirming zero fire incidents during 10,000-cycle abuse testing.
Expert Views
“EVE’s voltage regulation tech bridges the lithium-aluminum gap. Traditional lithium batteries struggle with 1.5V devices, but their DC-DC converter maintains stable output. Third-party testing shows 0.02V variance under load—unmatched in the rechargeable AA market.” — Senior Power Systems Engineer, Battery Tech Institute
FAQs
- How many charges does the EVE battery support?
- Rated for 500 full cycles, maintaining ≥80% capacity through 400 charges.
- Can I use phone chargers for this battery?
- Yes—any USB-C charger (5V/1A or higher) works. Fast charging supported up to 5V/2A.
- Is storage charging necessary?
- Maintain 30-50% charge for long storage. Built-in circuits prevent over-discharge during inactivity.