1. Introduction
The POWERKAN R2 is a sophisticated two-slot smart charger designed for efficient and safe charging of a wide range of rechargeable batteries. It features a microcomputer-managed system, an intuitive LCD display for real-time data monitoring, and multiple protection mechanisms to ensure optimal battery health and user safety. This manual provides essential information for the proper use, maintenance, and troubleshooting of your POWERKAN R2 charger.
Figure 1: POWERKAN R2 Smart Charger overview with connectivity and battery compatibility.
2. Safety Information
⚠️ WARNING: Please mind potential fire risk and strictly follow the instruction manual for charging and storage.
- Always use the charger in a well-ventilated area, away from flammable materials.
- Do not attempt to charge non-rechargeable batteries.
- Do not disassemble, modify, or short-circuit the charger.
- Keep the charger away from water, moisture, and high temperatures.
- Supervise the charging process and disconnect the charger once batteries are fully charged.
- Ensure correct battery polarity when inserting batteries into the charging slots.
Figure 2: Built-in Power Protection System
3. Package Contents
Please check the package for the following items:
- 1 x POWERKAN R2 Battery Charger
- 1 x USB Type-C Cable
- 1 x Storage Bag
- 1 x User Manual
4. Product Overview
The POWERKAN R2 charger is equipped with two independent charging slots and an LCD display. The display provides real-time information such as battery voltage, charging current, charging percentage, and working time. The charger supports Type-C input for versatile power options.
Figure 3: Front view of the POWERKAN R2 Charger
Figure 4: Digital Display Monitoring
5. Specifications
| Feature | Description |
|---|---|
| Model | POWERKAN R2 |
| Input | Type-C DC5V 2A |
| Output Power | ≤37.5W |
| Output Current | 2A (max) |
| Charging Current | 0.5A, 1A, 2A (selectable) |
| Cut-off Voltage | 4.20±0.05V (Li-ion), 1.48V±0.1V (NiMH) |
| Supported Battery Types | 1.2V Ni-MH/Ni-CD: AA, AAA, AAAA, C, SC, F6 3.6V/3.7V Li-ion/IMR/INR/CR (75mm MAX): 10440, 14500, 14650, RCR16340, 16650, 17500, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 21700, 22700, 26650 |
| Display Screen | Yes |
| Intelligent Charge | Yes |
| Quick Charge | Yes |
| Data Transmission | Type-C |
| Charger Size | 123mm x 60mm x 30mm |
| Certifications | CE, FCC, RoHS, UL, WEEE |
Figure 5: Product Specifications
Figure 6: Various Battery Compatibility
6. Setup
- Connect Power Supply: Connect the provided USB Type-C cable to the input port on the charger. Connect the other end of the cable to a compatible 5V 2A USB power source (e.g., computer USB port, mobile power supply, USB wall adapter, or car charger).
- Power On: The charger's LCD display will illuminate, indicating it is ready for use.
Figure 7: Wide Compatibility with Input Devices
7. Operating Instructions
- Insert Batteries: Carefully insert one or two rechargeable batteries into the charging slots, ensuring correct polarity (+/-). The charger will automatically detect the battery type (Li-ion or NiMH) and initiate the charging process.
- Monitor Charging Status: The LCD screen will display real-time charging information for each battery, including voltage, charging current, and percentage charged.
- Switch Channel Information: Short press the "C" button to cycle through and check the charging status information for battery channels 1 and 2.
- Adjust Charging Current: Short press the "A" button to switch between available charging currents: 0.5A, 1A, and 2A. Select the appropriate current based on your battery's specifications.
- Charging Completion: The charger will automatically stop charging when the batteries reach their full capacity, indicated by the display.
Figure 8: Reverse Connect Protection
8. Maintenance
- Cleaning: Use a soft, dry cloth to clean the charger's exterior. Do not use abrasive cleaners or solvents.
- Storage: Store the charger in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Avoid Impact: Protect the charger from drops and impacts, which can damage internal components.
9. Troubleshooting
- Charger not turning on: Ensure the USB Type-C cable is securely connected to both the charger and a working 5V 2A power source. Try a different cable or power adapter.
- Battery not charging: Check that the battery is inserted with correct polarity. Ensure the battery is a supported rechargeable type and not damaged. Clean the battery contacts and charger terminals if dirty.
- Display not showing information: If the display is blank or showing incorrect data, try re-inserting the battery or power cycling the charger.
- Overheating: If the charger or batteries become excessively hot during charging, immediately disconnect the power and remove the batteries. Ensure adequate ventilation and that the charging current is not too high for the battery.
10. User Tips
- For optimal battery life, avoid fully discharging Li-ion batteries before recharging.
- When charging multiple batteries, ensure they are of the same type and capacity for balanced charging.
- Always use a reliable 5V 2A power adapter to ensure stable and efficient charging.
- Periodically check the battery contacts for any dirt or corrosion and clean them if necessary.
11. Warranty and Support
This product comes with a standard manufacturer's warranty. For warranty claims, technical support, or service inquiries, please contact your retailer or the manufacturer directly. Keep your purchase receipt as proof of purchase.