1. Introduction and Overview
The Coast ZITHION-X rechargeable AAA battery is designed to replace single-use batteries, offering a sustainable power solution. These lithium-ion batteries provide a consistent 1.5V output and feature integrated USB-C charging for convenience. They are engineered for device compatibility and long-lasting performance.
- Reduced Waste: Each ZITHION-X AAA battery can replace up to 500 single-use batteries.
- Consistent Power: Engineered with ZX Optimized Voltage technology to mimic alkaline battery performance for stable output.
- Fast Charging: Features a built-in USB-C port for quick recharging.
- Device Protection: Designed to prevent flickering, overheating, and damage to sensitive electronics.
- Universal Compatibility: Suitable for use in a wide range of everyday devices without special adapters.
- Durable Design: Leak- and corrosion-resistant construction for enhanced protection.

This image displays the complete package contents, including eight Coast ZITHION-X AAA rechargeable batteries and the specialized USB-C multi-charging cable.

This image details the items provided in the package: eight AAA ZITHION-X rechargeable batteries, a clear storage case for the batteries, and a USB-C 4-split charging cable for simultaneous charging.
2. Setup: Charging Your Batteries
Before initial use, fully charge your ZITHION-X AAA batteries. Each battery features a direct USB-C charging port, eliminating the need for external chargers.
Charging Procedure:
- Locate the USB-C port on the side of each ZITHION-X AAA battery.
- Connect the provided USB-C charging cable to the battery's port.
- Plug the USB-A end of the charging cable into a compatible USB power source (e.g., wall adapter, computer USB port, power bank).
- A charging indicator light on the battery will illuminate during charging. Refer to the battery's specific indicator behavior for charge status (e.g., solid red for charging, solid green for fully charged).
- The average charge time for AAA batteries is approximately 1.3 hours.
- Once fully charged, disconnect the battery from the charging cable.

This image illustrates several ZITHION-X batteries being charged simultaneously using the included USB-C 4-split charging cable, highlighting the convenience of direct USB-C charging.

This close-up image shows a single ZITHION-X AAA battery, emphasizing its integrated USB-C charging port. Accompanying icons indicate its key features: USB-C charging, 750 mAh capacity, and 1.5V Lithium-Ion technology.
3. Operating Instructions: Using Your Batteries
Coast ZITHION-X AAA batteries are designed for seamless integration into devices that typically use standard AAA alkaline batteries. Their 1.5V output ensures broad compatibility.
Installation:
- Ensure the battery is fully charged before installation.
- Open the battery compartment of your electronic device.
- Insert the ZITHION-X AAA battery, observing the correct polarity (+ and - terminals) as indicated within the device's battery compartment.
- Close the battery compartment securely.
- Power on your device. The ZX Optimized Voltage technology ensures stable power delivery, preventing issues like flickering or premature device shutdown.

This image shows a ZITHION-X AAA battery being correctly placed into the battery slot of an electronic device, demonstrating the standard installation process.

This image highlights the safety aspect of ZITHION-X batteries, showing one installed in a device with the assurance that they are optimized for compatibility and engineered to resist leaks and corrosion.

This graphic explains the ZX Optimized Voltage technology, which simulates alkaline batteries for device compatibility, safety, and performance. It displays various devices such as game controllers, flashlights, remote controls, and cameras, indicating the wide range of applications for these batteries.
4. Maintenance and Storage
Proper care and storage will extend the lifespan and performance of your ZITHION-X AAA batteries.
General Guidelines:
- Store batteries in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid storing batteries with metal objects to prevent short-circuiting. Use the provided storage case.
- Do not expose batteries to water or fire.
- If batteries will not be used for an extended period, it is recommended to charge them periodically (e.g., every 3-6 months) to maintain optimal performance.
- The leak- and corrosion-resistant design provides internal safeguards, but always inspect batteries for any signs of damage before use.

This image emphasizes the environmental benefits of ZITHION-X batteries, showcasing them as a sustainable power solution that helps reduce waste from single-use batteries. The 'Certified Carbon Neutral product' label highlights their eco-friendly credentials.
5. Troubleshooting
If you encounter issues with your Coast ZITHION-X AAA batteries, consider the following common solutions:
- Battery Not Charging:
- Ensure the USB-C cable is securely connected to both the battery and the power source.
- Verify that the USB power source is active and providing power.
- Try a different USB-C cable or power source to rule out cable/source issues.
- Check for any debris in the battery's USB-C port.
- Device Not Powering On:
- Confirm the batteries are fully charged.
- Ensure batteries are inserted with correct polarity (+ and -).
- Check the device's battery contacts for corrosion or obstruction.
- Test the device with known working batteries to determine if the issue is with the device or the batteries.
- Reduced Runtime:
- Ensure batteries are fully charged before use.
- High-drain devices may deplete batteries faster.
- Battery performance can degrade over many charge cycles; consider replacing older batteries.
If problems persist, refer to the Warranty and Support section for further assistance.
6. Specifications
| Feature | Specification |
|---|---|
| Battery Type | Lithium Ion (Li-Ion) |
| Battery Size | AAA |
| Voltage | 1.5 Volts |
| Capacity | 750 mAh |
| Charging Port | USB-C (integrated) |
| Average Charge Time (AAA) | 1.3 hours |
| Item Model Number | 30986 |
| Item Weight (per battery) | Approximately 0.625 ounces (5 ounces / 8 batteries) |
| Manufacturer | Coast |
7. Warranty and Support
Warranty Information:
Coast ZITHION-X AAA rechargeable batteries are backed by a Lifetime Warranty. This warranty covers defects in materials and workmanship under normal use. For specific terms and conditions, please refer to the official Coast website or contact customer support.
Customer Support:
For technical assistance, warranty claims, or general inquiries, please visit the official Coast store or contact their customer service department.
Official Coast Store: Coast Store on Amazon





