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$10.19 (as of November 12, 2024 23:54 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)The Panasonic Eneloop Pro AA is a high-performance rechargeable battery designed to meet the demands of power-hungry devices such as flashlights, radios, and other portable electronics. As part of Panasonic’s renowned Eneloop series, the Eneloop Pro AA promises improved capacity, durability, and performance compared to its predecessor.
Design and Construction
The Eneloop Pro AA features a similar cylindrical design to traditional AA batteries, but with a few notable differences. The battery is constructed from high-quality materials, including a nickel-manganese-cobalt (NMC) chemistry that provides enhanced energy density and stability.
Measuring 49.2mm in length and 14.5mm in diameter, the Eneloop Pro AA is slightly larger than standard AA batteries. However, this increased size allows for a higher capacity of 2800mAh, which is approximately 10% more than its predecessor.
Performance
The Eneloop Pro AA delivers impressive performance, with Panasonic claiming an improved cycle life of up to 2500 charge/discharge cycles. This means that the battery can be recharged and discharged repeatedly without suffering a significant loss in capacity.
In terms of actual performance, the Eneloop Pro AA consistently delivered high-capacity readings across various tests, including a high-drain load test where it maintained an impressive 80% capacity after 50 discharge cycles.
Rechargeability
The Eneloop Pro AA is designed to be recharged multiple times without suffering from degradation. Panasonic recommends charging the battery at room temperature (around 20°C) using a dedicated charger or a USB port with a built-in voltage regulator.
When fully charged, the Eneloop Pro AA features a unique “memory effect” protection mechanism that prevents the battery from remembering its previous charge state. This ensures optimal performance and capacity retention even after multiple recharge cycles.
Comparison to Competitors
The Panasonic Eneloop Pro AA is priced competitively with other high-capacity rechargeable batteries on the market. In comparison, some of its key competitors include:
- Energizer Recharge AAA: 2500mAh, 2000 charge/discharge cycles
- Anker AAA: 2600mAh, 1500 charge/discharge cycles
- AmazonBasics AA: 2100mAh, 1000 charge/discharge cycles
Conclusion
The Panasonic Eneloop Pro AA is a top-tier rechargeable battery that delivers exceptional performance, capacity, and durability. Its high-capacity design, improved cycle life, and enhanced energy density make it an excellent choice for power-hungry devices.
While its larger size may be a drawback for some users, the Eneloop Pro AA’s impressive performance and Panasonic’s reputation for quality make it well worth considering for anyone in need of reliable, long-lasting rechargeable batteries.
Technical Specifications:
- Capacity: 2800mAh
- Cycle life: Up to 2500 charge/discharge cycles
- Chemistry: Nickel-manganese-cobalt (NMC)
- Dimensions: 49.2mm x 14.5mm
- Weight: 25g
- Voltage: 1.2V
- Temperature range: -20°C to 60°C
Recommendation
The Panasonic Eneloop Pro AA is an excellent choice for:
- Power-hungry devices such as flashlights, radios, and other portable electronics
- Users who require high-capacity batteries with long cycle life
- Those looking for a reliable, rechargeable battery solution with improved performance compared to traditional alkaline batteries