Introduction
This manual provides essential instructions for the safe and effective use of your Kircuit 12V AC/DC Adapter. This adapter is designed to power and charge compatible Schumacher portable power stations and jump starters, specifically models SL1652, SL1654, and SL1651. Please read this manual thoroughly before use and retain it for future reference.
Important Safety Instructions
- Use only with compatible devices as specified.
- Do not expose the adapter to rain, moisture, or extreme temperatures.
- Ensure the power outlet voltage matches the adapter's input voltage (100-240V AC).
- Avoid using the adapter if the cord or plug is damaged.
- Do not disassemble or attempt to repair the adapter. Refer to qualified service personnel.
- Disconnect the adapter from the power source when not in use.
- Keep out of reach of children.
Package Contents
- 1 x Kircuit 12V AC/DC Adapter
Product Overview
The Kircuit 12V AC/DC Adapter is a reliable power supply designed to convert standard AC wall power to the DC power required by your compatible Schumacher jump starter or power station. It features built-in protection mechanisms for safe and efficient charging.

Image Description: A black Kircuit AC/DC adapter with a two-prong US plug and an attached DC barrel connector cable. The adapter label shows "KIRCUT AC/DC ADAPTOR INPUT: 100-240V AC 50/60Hz 0.3A OUTPUT: 12V DC".

Image Description: A close-up view of the Kircuit AC/DC adapter, highlighting the barrel plug connector at the end of the power cord. The cord length is approximately 6.5 feet.
Setup and Installation
Connecting the Adapter
- Ensure your Schumacher jump starter/power station (models SL1652, SL1654, or SL1651) is turned off, if applicable.
- Locate the DC input port on your Schumacher device. This port is typically labeled for charging or power input.
- Insert the barrel connector of the Kircuit AC/DC Adapter firmly into the DC input port of your Schumacher device.
- Plug the AC prongs of the Kircuit AC/DC Adapter into a standard 100-240V AC wall outlet.
- The device should now begin charging or receive power. Refer to your Schumacher device's manual for specific charging indicators.
Operation
Charging and Powering Your Device
Once connected, the Kircuit AC/DC Adapter will automatically begin supplying power to or charging your compatible Schumacher device.
- The adapter is designed for continuous use within its specified voltage range.
- It features built-in protection against overcharge, ensuring the safety of your device's battery.
- Always monitor your device's charging status as indicated by its own display or LED indicators.
Disconnecting
- Unplug the AC adapter from the wall outlet first.
- Gently remove the barrel connector from your Schumacher device.
Maintenance and Care
General Care
- Keep the adapter clean and dry. Wipe with a soft, dry cloth if necessary.
- Store the adapter in a cool, dry place when not in use.
- Avoid wrapping the cord too tightly around the adapter to prevent damage.
- Regularly inspect the cord and connector for any signs of wear or damage.
Troubleshooting
Common Issues and Solutions
| Problem | Possible Cause | Solution |
|---|---|---|
| Adapter not supplying power/charging | Adapter not plugged in correctly | Ensure both ends of the adapter are securely connected. |
| Adapter not supplying power/charging | Wall outlet is not active | Test the wall outlet with another device. |
| Adapter not supplying power/charging | Incompatible device | Verify your device is a Schumacher SL1652, SL1654, or SL1651. |
| Adapter not supplying power/charging | Damaged adapter or cable | Inspect the adapter and cable for visible damage. If damaged, discontinue use and replace. |
| Device not charging fully | Issue with the Schumacher device battery | Refer to your Schumacher device's user manual or contact Schumacher support. |
Specifications
- Brand: Kircuit
- Manufacturer: Shenzhen Waweis Technology Co., Ltd
- Input Voltage: 100-240V AC
- Output Voltage: 12V DC
- Connector Type: Barrel Plug
- Power Source: Corded Electric
- Special Features: Built-in Dynamic IC, Charger IC & Power fuse for rapid charging and overcharge protection.
- Compatible Devices: Schumacher SL1652, SL1654, SL1651 Lithium Polymer Battery Portable Power Stations and Jump Starters.
Warranty and Support
This Kircuit product is designed for reliability. For specific warranty details or technical support, please refer to the documentation provided with your purchase or contact the seller directly.