1. Product Overview
This manual provides essential information for the safe and effective use of your onerbl AC Adapter, compatible with various Hyper Tough 4.8-Volt Lithium Ion cordless screwdrivers and similar devices. Please read this manual thoroughly before use.

Figure 1: Front view of the onerbl AC Adapter, showing the main unit with the AC plug and the DC output cable coiled.
2. Key Features
- Universal Input: AC 100-240V 50/60Hz, suitable for worldwide use.
- High Quality: Brand new, high-quality replacement AC/DC power charger adapter.
- Safety Protections: Features Over Voltage Protection and Over Heat Protection.
- Compatibility: Specifically designed for Hyper Tough 4.8-Volt Lithium Ion 4.8V 44216 AP00979J AQ70008G 4V Li Battery Cordless Screwdriver models IVP0550-0400W and JLH030550400U, and other devices requiring 5.5V DC 400mA.

Figure 2: Illustration of the smart chip technology providing multiple layers of protection, including short-circuit, over-voltage, and over-current protection.
3. Compatibility
This AC adapter is designed to be compatible with a range of devices, primarily Hyper Tough 4.8-Volt Lithium Ion cordless screwdrivers. Verify your device's power requirements before connecting.
Compatible Models:
- Hyper Tough 4.8-Volt Lithium Ion 4.8V 44216
- Hyper Tough AP00979J
- Hyper Tough AQ70008G
- Hyper Tough 4V Li Battery Cordless Screwdriver
- Devices requiring 5.5V DC 400mA power supply (e.g., IVP0550-0400W, JLH030550400U)

Figure 3: Visual representation of the wide range of applications for the power adapter, including various electronic devices.
4. Setup
- Unpack: Carefully remove the AC adapter from its packaging.
- Inspect: Check the adapter and cable for any visible damage. Do not use if damaged.
- Connect to Device: Insert the DC output plug of the adapter firmly into the charging port of your compatible device (e.g., Hyper Tough cordless screwdriver).
- Connect to Power Outlet: Plug the AC input prongs of the adapter into a standard AC 100-240V wall outlet.
- Verify Connection: Ensure both connections are secure. The device should indicate charging if applicable.

Figure 4: The AC adapter connected to a power strip, demonstrating a typical setup scenario on a desk with other electronic devices.
5. Operating Instructions
The onerbl AC Adapter is designed for straightforward operation. Once connected, it will automatically provide power or charge your device.
- Charging: For devices with rechargeable batteries, the adapter will initiate charging upon connection to a power source. Refer to your device's manual for specific charging indicators.
- Direct Power: For devices that operate directly from AC power, the adapter will supply continuous power when plugged in.
- Disconnection: To disconnect, first unplug the adapter from the wall outlet, then disconnect the DC plug from your device.
6. Maintenance
Proper maintenance ensures the longevity and safe operation of your AC adapter.
- Cleaning: Disconnect the adapter from all power sources before cleaning. Use a dry, soft cloth to wipe the exterior. Do not use liquid cleaners or solvents.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and extreme temperatures. Avoid tightly coiling the cable to prevent damage.
- Inspection: Periodically inspect the cable and plug for any signs of wear, cuts, or fraying. Discontinue use if damage is observed.

Figure 5: Diagram illustrating the durable design of the cable, featuring copper wire conductors and a protective PVC jacket for enhanced longevity.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Adapter not providing power/charging. |
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| Adapter feels hot during use. |
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8. Specifications
| Parameter | Value |
|---|---|
| Model | IVP0550-0400W, JLH030550400U (Compatible) |
| Input | AC 100-240V, 50/60Hz |
| Output | DC 5.5V, 400mA |
| Cable Length | Approx. 76 inches (6.3 feet) |
| Dimensions (Adapter Body) | Approx. 2.6 x 1.6 x 1.2 inches (L x W x H) |
| Manufacturer | Shenzhen Waweis Technology Co., Ltd |

Figure 6: Detailed dimensions of the AC adapter body (2.6 inches length, 1.6 inches width, 1.2 inches height) and cable length (76 inches).
9. Warranty and Support
For warranty information or technical support, please refer to the seller's policy or contact the manufacturer directly.
- Seller: GreatComputerParts
- Manufacturer: Shenzhen Waweis Technology Co., Ltd
- Return Policy: Typically 30 days for refund/replacement (refer to purchase platform for exact terms).
For further assistance, please visit the product page on Amazon or contact the seller through your order history.
