
eneloop Pro AA and AAA NiMH high-capacity ready to use rechargeable batteries utilize Panasonic advanced rechargeable battery technology, allowing them to be recharged up to 500 times. eneloop pro AA and AAA rechargeable batteries deliver consistent extreme power performance, maintain 85% of their charge for up to 1 year (when not in use), come pre-charged by solar power (at the factory) and are ready to use out of the package. These eneloop batteries also feature extreme temperature performance down to -4 degrees Fahrenheit. Pair eneloop and eneloop pro AA and AAA batteries with Panasonic advanced, quick advanced, or super quick advance eneloop or eneloop pro chargers to maximize your rechargeable battery experience.
Q: What is the largest package of these batteries available at most best-buy locations...?
A: I've only seen these available as an online order and not available in the stores I've looked at.
A: Hi! These Panasonic Eneloop pro BK-3HCCA8BA AA batteries power your high-drain devices reliably with a 2550 mAh capacity. Please get in touch with Coohiligh for more information regarding their product. Their support team would be happy to assist you further. -C
Q: What does each battery weigh?
A: Hello! We would be more than happy to assist you further! Please contact us directly at https://www.panasonicbatteryproducts.com/ with more information about your inquiry. The contact details can be found at the bottom of the page. -M
A: Hello! We would be more than happy to assist you further! Please contact us directly at https://www.panasonicbatteryproducts.com/ with more information about your inquiry. The contact details can be found at the bottom of the page. -C
A: Yes you use any charger not just enloop.
Q: Do these batteries replace Panasonic BK-40AABU/1.2V?
A: In order to assist you with your unit, we recommend you to contact us on shop.panasonic.com/livechat MON-FRI; 9AM-5PM EST.
A: I doubt that best buy would take these back but id suggest contracting the manufacturer
Customers frequently mention the long battery life and overall performance as positive aspects of the eneloop Pro AAA rechargeable batteries. Users appreciate that the batteries come pre-charged and are satisfied with their performance. However, some customers have noted that the price is a concern, and the charging time can be lengthy.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

eneloop Pro AA and AAA NiMH high-capacity ready to use rechargeable batteries utilize Panasonic advanced rechargeable battery technology, allowing them to be recharged up to 500 times. eneloop pro AA and AAA rechargeable batteries deliver consistent extreme power performance, maintain 85% of their charge for up to 1 year (when not in use), come pre-charged by solar power (at the factory) and are ready to use out of the package. These eneloop batteries also feature extreme temperature performance down to -4 degrees Fahrenheit. Pair eneloop and eneloop pro AA and AAA batteries with Panasonic advanced, quick advanced, or super quick advance eneloop or eneloop pro chargers to maximize your rechargeable battery experience.

Keep your devices powered up with this four-pack of Duracell rechargeable AAA batteries. Made to last up to 5 years, these NiMH batteries can be recharged up to 400 times and can hold a charge for 1 year for longtime storage. Choose these Duracell rechargeable AAA batteries, which come pre-charged and ready for use.

Panasonic Quick charging Technology can charge 4AA or 4AAA cells in up to 3 hours; 2AA or 2AAA in up to 1.5 hours. Individual battery charging positions from 1 to 4 AA and/or AAA cells. Features 4 individual LED charging lights indicating charge progress: 80+% charged - green light, 20% - 80% charged – orange light, 20% (or less) charged – red light. Includes battery detection safety technology – auto shut off. Charger scans batteries immediately after being plugged in AC outlet. New charging control reduces energy use and battery wear. Also include retractable plug.

Conveniently charges 4 AA or AAA NiMH rechargeable batteries at the same time. 3-5 hour charge time with auto shut off to prevent overcharging and battery damage. Manufactured in China. The charger is equipped with audio and visual alerts. A red light means that charging has started, and you will hear an audible beep when charging begins. A yellow light appears when charging is 50 percent complete and charging is continuing. A green light means charging is complete, and the batteries are 100 percent full. You will hear an audible beep upon completion. If a bad battery is detected, a red X will illuminate, and the charger generates a repetitive audible beep upon detection. Audio and visual alerts:Red light - Charging has started; audible beep when charging begins. Yellow light - Charging is 50% complete and charging. Green light - Charge is complete and batteries are 100% full; audible beep upon completion. Bad Battery Detection Alert - If a bad battery is detected a red ‘x’ will illuminate; repetitive audible beep upon detection.
| Pros for Panasonic - eneloop Pro AAA 8Pk Recharegable Batteries | |||
|---|---|---|---|
| Battery Life, Performance | Battery Life, Quality | There were no pros for this product— | Battery Life, Charging Speed, Overall Performance, Ease of use, Price |
| Cons for Panasonic - eneloop Pro AAA 8Pk Recharegable Batteries | |||
| Price, Charging | There were no cons for this product— | There were no cons for this product— | There were no cons for this product— |