1. Safety Information
Before operating the Lincoln Electric 1870 AC Charger, it is imperative to read and understand all safety warnings and instructions provided in this manual and on the underside of the charger unit. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Always ensure the charger is connected to a power source that matches the specified input voltage (240 Volts).
- Do not expose the charger to rain or wet conditions.
- Do not use the charger if the cord or plug is damaged.
- Do not attempt to disassemble or modify the charger. Refer all servicing to qualified personnel.
- Use only with Lincoln Electric 20V Lithium-ion batteries (Model 1871). Using other batteries may cause damage or injury.
- Keep children and unauthorized persons away from the charger during operation.
- Ensure adequate ventilation around the charger during use.
2. Product Overview
The Lincoln Electric 1870 AC Charger is designed to efficiently charge Lincoln Electric 20V Lithium-ion batteries, specifically Model 1871. These batteries are compatible with Lincoln Electric PowerLuber models 1882 and 1884. The charger provides a reliable power source for maintaining your battery's performance.

Figure 1: Lincoln Electric 1870 AC Charger. This image shows the black charger unit with its power cord connected, ready for use. The top surface features a slot for the battery and indicator lights.
Key Features:
- Compatibility with Lincoln 20V Lithium-ion Battery (Model 1871).
- Designed for use with PowerLuber models 1882 and 1884.
- AC power input for standard wall outlets.
- Efficient charging time of approximately 1.5 hours.
3. Setup
Follow these steps to set up your Lincoln Electric 1870 AC Charger:
- Unpack the Charger: Carefully remove the charger from its packaging. Inspect the unit for any signs of damage. If damaged, do not use and contact customer support.
- Choose a Location: Select a dry, well-ventilated area for charging. Ensure the surface is stable and clear of obstructions. Avoid direct sunlight or extreme temperatures.
- Connect to Power: Plug the AC power cord into a standard 240V wall outlet. The charger's indicator light may illuminate briefly, indicating it is receiving power.
- Prepare Battery (Model 1871): Ensure the 20V Lithium-ion battery (Model 1871) is clean and free of debris before inserting it into the charger.
4. Operating Instructions
To charge your Lincoln Electric 20V Lithium-ion battery (Model 1871) using the 1870 AC Charger:
- Insert Battery: Align the 20V Lithium-ion battery (Model 1871) with the charging slot on the 1870 AC Charger. Gently slide the battery into the slot until it clicks securely into place.
- Monitor Charging Status: The charger features indicator lights to show the charging status.
- Solid Green: Battery fully charged.
- Flashing Green: Battery is charging.
- Solid Red: Charging error or battery fault. Remove battery and re-insert. If error persists, consult troubleshooting.
- Charging Time: A fully depleted 20V Lithium-ion battery (Model 1871) typically takes approximately 1.5 hours to fully charge. Actual charging time may vary based on battery charge level and ambient temperature.
- Remove Battery: Once the indicator light shows a solid green, the battery is fully charged. Press the release tab (if present) or gently pull the battery upwards to remove it from the charger.
- Unplug Charger: When not in use, unplug the charger from the wall outlet to conserve energy and for safety.
5. Maintenance
Proper maintenance ensures the longevity and safe operation of your charger.
- Cleaning: Disconnect the charger from the power source before cleaning. Use a soft, dry cloth to wipe down the exterior of the charger. Do not use abrasive cleaners or solvents.
- Storage: Store the charger in a dry, indoor location away from direct sunlight, moisture, and extreme temperatures.
- Inspection: Periodically inspect the power cord and charger housing for any signs of damage, such as cuts, fraying, or cracks. If damage is found, discontinue use and seek professional repair.
- Battery Care: For optimal battery life, avoid storing fully discharged batteries for extended periods. Charge batteries before long-term storage.
6. Troubleshooting
If you encounter issues with your Lincoln Electric 1870 AC Charger, refer to the table below for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Charger indicator light does not illuminate. | No power to the charger. |
|
| Battery not charging (flashing green light not active). | Battery not properly seated or battery fault. |
|
| Solid red indicator light. | Charging error or battery fault. |
|
If the problem persists after attempting these solutions, please contact Lincoln Electric customer support for further assistance.
7. Specifications
| Feature | Detail |
|---|---|
| Model | 1870 |
| Brand | Lincoln Electric |
| Compatible Battery | Lincoln 20V Lithium-ion (Model 1871) |
| Input Voltage | 240 Volts AC |
| Output Voltage | Designed for 20V Lithium-ion batteries |
| Charging Time | Approximately 1.5 Hours |
| Item Weight | 1.3 pounds (0.59 kg) |
| Product Dimensions | 9 x 3.95 x 11.4 inches (22.86 x 10.03 x 28.96 cm) |
| Color | Black |
8. Warranty & Support
The Lincoln Electric 1870 AC Charger is covered by Lincoln Electric's standard product warranty. For specific warranty terms and conditions, please refer to the warranty card included with your purchase or visit the official Lincoln Electric website.
For technical support, service, or to inquire about replacement parts, please contact Lincoln Electric Customer Service:
- Website: www.lincolnelectric.com
- Phone: Refer to the contact information on the official website for your region.
When contacting support, please have your product model number (1870) and purchase date available.





