Power various electronics, including digital cameras, gaming devices, and flashlights, with these Zithion-X AAA Rechargeable Lithium-Ion Batteries (4-pack) from COAST. Each battery provides 1.2V of output power with a 2400mAh capacity and a 3.0Wh rating. With a built-in USB-C port, the battery can be charged using a USB-C cable. The cells come pre-charged and ready to use, and are rechargeable up to 1000 times. The batteries are built with overcharge/discharge protection, ensuring you and your battery are protected.

Rechargeable up to 1000x    Charging Time: 2.5 Hours    USB-C Power Input    Built-In Charge Level Indicator    Everyday AA Alkaline Powered Devices    Overcharge/Discharge Protection

Check the status of your batteries charge level with a built-in charge level indicator. Solid red when charging, solid green when fully charged.

With a built-in USB-C port, the battery can be charged using a USB-C cord.

Over-charging and improperly discharging lithium batteries can cause a safety concern and hazardous risk to the user and it's surroundings. The batteries are built with overcharge/discharge protection.

Related Questions and Answers

Q: 1. What about warranty?

A: The charger in this kit includes a Limited 3-Year Warranty while the batteries have a Limited 1-Year Warranty.

Q: 2. Do I have to purchase the same brand charger?

A: No you do not , all AA/AAA chargers will charge these batteries

Q: 3. does this Powerex Pro Rechargeable AA NiMH Batteries using work with Panasonic Eneloop charger?

A: Yes. I have these same Powerex Pro Rechargeable AA NiMH batteries (1.2V, 2700mAh, 8 pack) and my charger is a Panasonic Eneloop model# BQ-CC55. Works perfectly for me.

Q: 4. Country of Manufacture?

A: Country of origin for this product is listed as Japan.

Q: 5. how long do they last in an unopen pkg? I have unopen pkg for 5 years few not charging.

A: They should last quite a while, however if it has been that long, I would recommend leaving them in a charger for a few cycles to "warm them up" a bit before using them in say a flash.

Q: 6. How well do these batteries function in very hot humid weather? Do they ever swell up?

A: Batteries work well under hot humid weather, I use them daily in the tropics.

Q: 7. This battery for Nikon MB-40 Multi-Power Battery Pack for F6 Camera can the Watson Duo charger I use for the D850s be used for this F6 battery?

A: Yes, it will work.

Q: 8. Is the Watson EN-EL4a compatible with the Nikon D2X? Thank you!

A: No it is not compatible.

Q: 9. Will these batteries charge with a Duracell 15 minute charger?

A: The Watson MX AA NiMH Batteries will not work in a rapid charger. This charger would be recommended for these batteries: https://bhpho.to/3rWAWLY

Q: 10. What are the differences with the panasonic eneloop battery chargers?

A: The Pro charger is more powerful, as the Pro batteries have a higher capacity.