Introduction
Thank you for choosing the Kastar Battery and AC Wall Charger. This manual provides essential information for the safe and efficient use of your new charger and battery. Please read these instructions carefully before use and retain them for future reference.
This product is designed as a replacement and charging solution for various laser levels, including:
- KINAVEL 16 Lines Laser Level 4D Laser Level
- KERATETY Lazer Leveler Tool, Switchable & Auto Self Leveling Laser Level
- WAABENN 4x360° 4D Green Cross Line Horizontal/Vertical Laser Line
- Firecore 3 X 360 Green Laser Level, Laser Level Self Leveling 16 Lines
Important Safety Information
Please observe the following safety precautions to prevent damage to the product or injury to yourself:
- Do not incinerate: Batteries may explode if disposed of in fire.
- Do not disassemble: Disassembly can lead to electric shock or damage.
- Do not short-circuit: Avoid contact between metal objects and battery terminals.
- Dispose of properly: Follow local regulations for battery disposal.
- Do not expose to high temperatures: Keep batteries away from temperatures exceeding 140°F (60°C).
- Indoor use only: The charger is designed for indoor use in dry locations.
- Keep away from moisture: To reduce the risk of fire or electric shock, do not expose the charger to rain or moisture.
- No user-serviceable parts: Do not attempt to open or repair the charger. Refer service to qualified service personnel.
Package Contents
Your package should contain the following items:
- 1 x Kastar Lithium-Ion Battery (7.4V, 2400mAh)
- 1 x Kastar AC Wall Charger
Note: Car adapter and European plug are NOT included with this package.

Image: The Kastar battery and AC wall charger, along with a USB cable, as included in the package.
Setup
Unpacking
Carefully remove all components from the packaging. Inspect the battery and charger for any visible damage. If any damage is found, do not use the product and contact customer support.
Charger Preparation
The AC wall charger features foldable pins for compact storage. To use, gently pull out the foldable pins until they lock into place, ready to be inserted into a standard AC wall outlet.

Image: The Kastar AC wall charger with its foldable pins extended, ready for use.

Image: The Kastar AC wall charger with its foldable pins retracted for storage.
Operating Instructions: Charging the Battery
- Ensure the AC wall charger pins are extended.
- Insert the battery into the charger slot. Ensure it is seated correctly and securely.
- Plug the charger into a standard AC 100-240V wall outlet.
- Observe the LED indicator on the charger:
- A red light indicates that the battery is currently charging.
- A green light indicates that the battery is fully charged or the charger is in standby mode (no battery inserted).
- Once the LED turns green, the battery is fully charged. Unplug the charger from the wall outlet and remove the battery.

Image: Close-up view of the Kastar Lithium-Ion battery, showing its specifications and contact points.

Image: The Kastar battery inserted into the charger, showing both red (charging) and green (fully charged) LED indicators.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the charger and battery. Do not use liquid cleaners or solvents.
- Storage: Store the charger and battery in a cool, dry place away from direct sunlight and extreme temperatures. When storing the charger, fold the pins for protection.
- Battery Care: For optimal battery life, avoid completely draining the battery before recharging. If storing for extended periods, charge the battery to approximately 50% capacity.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Charger LED does not light up. | No power from outlet; charger not properly plugged in; faulty charger. | Check wall outlet with another device. Ensure charger is fully plugged in. If problem persists, contact customer support. |
| LED remains red for an extended period. | Battery is deeply discharged or has high capacity. | Allow more time for charging. If charging time is excessively long (e.g., over 8 hours) or the LED never turns green, contact customer support. |
| Battery does not hold a charge. | Battery is old or damaged. | Lithium-ion batteries have a finite lifespan. Consider replacing the battery. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | NOCAR-1B-L160T-C |
| Battery Type | Lithium-Ion |
| Battery Voltage | 7.4V |
| Battery Capacity | 2400mAh |
| Charger Input | AC 100-240V, 50-60Hz |
| Charger Output | DC 8.4V, 600mA |
| Product Dimensions | Approximately 2.5 x 2 x 3 inches (Charger) |
| Item Weight | Approximately 6.4 ounces (Total package) |
Warranty and Support
Kastar products are designed for reliability and performance. For information regarding warranty coverage or technical support, please refer to the warranty card included with your purchase or visit the official Kastar website.
For direct assistance, you may contact Kastar customer service through their official channels. Please have your product model number (NOCAR-1B-L160T-C) and purchase details ready.