1. Introduction
The Kastar LTD2 USB Dual Battery Charger is designed to efficiently charge two compatible camera batteries simultaneously. Featuring an intelligent LED display, it provides real-time charging status and battery capacity information. The charger supports both Micro-USB and Type-C input for versatile power options.
Image 1: Kastar LTD2 USB Dual Battery Charger overview.
2. Setup
2.1 Unpacking
Carefully remove the charger and any included cables from the packaging.
2.2 Connecting to Power
Connect the charger to a USB power source (such as a laptop, AC adapter, car charger, or power bank) using either the Micro-USB or Type-C input port. The charger requires a 5V 2-3A 15W input.
Image 2: Charger dimensions and input ports (Micro-USB and Type-C).
2.3 Inserting Batteries
Align the battery contacts with the charger's terminals and gently insert up to two compatible batteries into the charging slots (CH1 and CH2).
3. Operation
3.1 Charging Process
Once connected to power and with batteries inserted, the charger will automatically begin the charging process. The intelligent LED display will illuminate to indicate the charging status for each channel.
3.2 LED Indicator Status
The LED display provides visual feedback on the battery charge level. Refer to the table below for a detailed explanation of the indicator status.
Image 3: LED display showing charging status for two channels and a table explaining battery power ratio based on LED segments.
| Indicator Status | Power Ratio | Statements |
|---|---|---|
| Empty battery icon | No power | No power |
| Battery icon with one segment | 6% - 25% | One LED on |
| Battery icon with two segments | 26% - 50% | Two LEDs on |
| Battery icon with three segments | 51% - 75% | Three LEDs on |
| Full battery icon | 76% - 100% | Four LEDs on |
4. Maintenance
4.1 Cleaning
To clean the charger, disconnect it from the power source and remove any batteries. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or solvents.
4.2 Storage
Store the charger in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
4.3 Safety Precautions
- Do not disassemble the charger.
- Avoid exposing the charger to water or high humidity.
- Use only compatible batteries and power sources.
- Discontinue use if the charger appears damaged.
5. Troubleshooting
5.1 Charger not powering on
Ensure the USB cable is securely connected to both the charger and the power source. Verify the power source is active and providing sufficient power (5V 2-3A).
5.2 Battery not charging
Check that the battery is correctly inserted into the charging slot with contacts aligned. Ensure the battery is compatible with the charger. If the battery is severely depleted, it may take a few minutes for the indicator to light up.
5.3 LED indicators not working
If the charger is powered and batteries are inserted but LEDs are not functioning, try a different USB cable or power source. If the issue persists, contact support.
6. Specifications
| Feature | Detail |
|---|---|
| Model Number | CH-LTD2-0B-SJ4000-D |
| Product Dimensions | 3 x 1.5 x 4 inches |
| Item Weight | 3 ounces |
| Input Voltage | 5 Volts |
| Charger Input | 5V 2-3A 15W |
| Charger Output | 4.2V 800mA (x1) / 800mA (x2) |
| UPC | 704384114352 |
| Compatible Battery Models | Eken PG1050, SJCAM SJ4000B, Qumox BAT-412 |
| Compatible Camera Models | SJCAM M10, SJCAM SJ4000, SJCAM SJ5000, Eken H8/H9 series, Qumox SJ4000/SJ5000 series, and more. |
7. Warranty and Support
The Kastar LTD2 USB Dual Battery Charger comes with an 18-month warranty. For technical support, warranty claims, or further assistance, please visit the official Kastar website at www.mykastar.com.
