1. Introduction
The POWERKAN D4 is a smart battery charger equipped with an LED screen, designed for universal compatibility and ease of use. It is USB powered, allowing for convenient charging in various locations. The charger automatically detects both Li-ion and Ni-MH/Ni-CD batteries, supporting simultaneous or separate charging. Each of its four slots operates independently, with a maximum charging current of 2A. It is compatible with a wide range of battery sizes and types.
2. Safety Information
⚠️ Please be aware of potential fire risks. Always strictly follow the instructions in this manual for charging and storage to ensure safe operation.
3. Package Contents
- 1 x POWERKAN D4 Battery Charger
- 1 x USB Type-C Cable
- 1 x User Manual
4. Product Features
- Smart Charging: Automatically detects Li-ion and Ni-MH/Ni-CD battery types.
- Independent Slots: Four independent charging slots for simultaneous or separate charging.
- LCD Display: Clear LCD screen displays real-time charging information including current, voltage, capacity (mAh), and charging time.
- Adjustable Charging Current: Quick click functionality to switch charging current (0.5A, 1.0A, 2.0A for Li-ion; 0.5A for Ni-MH/Ni-CD).
- Universal Compatibility: Supports a wide range of battery sizes and types (see Specifications).
- Multiple Protection: Built-in over-charging, over-voltage, and over-current protection for safe charging.
- User-Friendly Design: Features anti-slip strips, chute slots, and clear polarity markings.
5. Specifications
| Attribute | Value |
|---|---|
| Brand Name | PowerKAN |
| Model Number | POWERKAN-D4 |
| Type | USB Charger |
| Output Interface | USB |
| Data Transmission | Type-C |
| Display Screen | Yes |
| Intelligent Charge | Yes |
| Quick Charge | Yes |
| High-concerned chemical | None |
| Origin | Mainland China |
| Certification | CE, RoHS, UL, pse, weee |
| Input Power | DC 5V 2A |
| Dimensions (H x W x D) | 12.2cm (4.8in) x 9.7cm (3.82in) x 3.1cm (1.22in) |
Compatible Battery Types:
- 3.6V/3.7V Li-ion: 10400, 14500, 14650, 16340 (RCR123), 18350, 18500, 18490, 18650, 20700, 21700, 22650, 26650, 26700
- 1.2V Ni-MH/Ni-CD: AAAA, AAA, AA, A, SC, C, F6
- Maximum Battery Length: 7.5cm (2.95 inches)
Charging Parameters:
| Battery Type | CC Current |
|---|---|
| Ni-MH/Ni-Cd | 0.5A x 4 |
| Li-ion | 0.5A x 4, 1A x 2, 2A x 1 |
6. Setup
- Connect Power: Connect the provided USB or Type-C cable to the charger and then to a compatible 5V/2A USB power source (e.g., wall adapter, power bank, computer USB port).
- Power On: The charger's LCD screen will illuminate, indicating it is ready for use.
7. Operating Instructions
7.1 Inserting Batteries
- Carefully insert batteries into the charging slots.
- Ensure the positive (+) and negative (-) ends of the battery align correctly with the markings in the slot. The charger's movable contacts will adjust to accommodate different battery lengths.
7.2 Automatic Detection and Charging
- Once a battery is inserted, the charger will automatically detect its type (Li-ion or Ni-MH/Ni-CD) and begin the charging process.
- The LCD screen will display relevant charging information for each slot.
7.3 Displaying Charging Information
- The LCD screen shows various parameters such as charged capacity (mAh), current voltage (V), internal resistance (mΩ), and charging percentage (%).
- To cycle through the displayed information for a specific slot, quick click the corresponding button (e.g., 'A' or 'C' for slots A and C).
7.4 Switching Charging Current
- For Li-ion batteries, you can adjust the charging current between 0.5A, 1.0A, and 2.0A. Ni-MH/Ni-CD batteries typically charge at 0.5A per slot.
- To change the charging current for a specific slot, quick click the corresponding button (e.g., 'A' or 'C') until the desired current is selected.
7.5 Charging Status Indicators
The battery icon on the LCD screen indicates the charging progress:
- No power: No power
- 6%-25%: One LED segment illuminated
- 26%-50%: Two LED segments illuminated
- 51%-75%: Three LED segments illuminated
- 76%-100%: Four LED segments illuminated
Charging is complete when the battery icon shows full and the percentage reaches 100%.
8. Maintenance
- Keep the charger clean and dry. Use a soft, dry cloth to wipe the surface.
- Avoid exposing the charger to extreme temperatures, direct sunlight, or high humidity.
- Do not attempt to disassemble or repair the charger yourself. Contact customer support if service is required.
- Store the charger in a cool, dry place when not in use.
9. Troubleshooting
- Charger not turning on: Ensure the USB cable is securely connected to both the charger and a functional 5V/2A power source.
- Battery not charging:
- Verify correct battery polarity.
- Confirm the battery type is compatible with the charger (refer to Specifications).
- Try inserting the battery into a different charging slot.
- Ensure the battery is not completely depleted or damaged.
- LCD display not showing information: Press the corresponding slot button ('A' or 'C') to cycle through the display modes.
- Slow charging: Ensure your power adapter provides sufficient current (recommended 5V/2A). Check the selected charging current for the specific slot and adjust if necessary.
10. User Tips
- For optimal charging performance, always use a 5V/2A power adapter.
- Double-check battery polarity before inserting to prevent any potential damage to the battery or charger.
- The movable contacts in each slot are designed to accommodate various battery sizes, ensuring a snug and secure fit for efficient charging.
11. Warranty and Support
For any product inquiries, technical support, or warranty claims, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.