US Dollars
Power Inverters for Automotive Service
ATD Tools power inverters are designed to convert 12-volt DC power from vehicle batteries into standard 110V AC household current, enabling technicians to run power tools, diagnostic equipment, and other AC-powered devices directly from a vehicle's electrical system. These inverters are particularly valuable in mobile service applications, remote job sites, or shops where additional AC outlets are needed near the service bay.
Understanding Power Inverter Capacity
Power inverters are rated by their continuous and peak power output, measured in watts. The continuous rating indicates the sustained power the inverter can deliver, while the peak rating represents the maximum power available for short bursts—critical when starting motors or other equipment with high initial power draws. Models in this category typically range from 400W to 1500W continuous power, with peak ratings often approximately double the continuous rating. When selecting an inverter, calculate the total wattage of all devices you plan to run simultaneously, and choose an inverter with continuous capacity that exceeds this total by at least 20% for safe operation.
Key Safety Features
Professional-grade power inverters incorporate multiple protection systems to ensure safe operation in demanding shop environments. Common safety features include:
- Overload Protection: Automatically shuts down the inverter if power draw exceeds rated capacity
- Short-Circuit Protection: Detects and responds to short circuits to prevent damage to the inverter and connected devices
- Over-Voltage and Low-Voltage Protection: Monitors input voltage and shuts down if the battery voltage falls outside safe operating range
- Thermal Protection: Built-in cooling fans and automatic shutdown if internal temperature exceeds safe limits
- Reverse Polarity Protection: Guards against incorrect battery connection
Modified Sine Wave vs. Pure Sine Wave
The inverters in this category utilize modified sine wave technology, which is suitable for most power tools, battery chargers, and shop equipment. Modified sine wave inverters are generally more affordable and efficient for resistive loads like heaters, incandescent lights, and most universal motors. However, sensitive electronics, some medical equipment, variable-speed tools, and certain laser printers may require pure sine wave power for optimal performance. Always verify your equipment's power requirements before use.
Installation and Connection Options
ATD power inverters offer flexible installation and connection methods depending on the model and power rating. Lower-wattage models may include cigarette lighter adapters or vehicle power plugs for convenient plug-and-play operation, while higher-capacity inverters typically feature direct battery connection cables for maximum power transfer. Models designed for permanent installation generally include mounting hardware and may offer both fixed mounting and portable configurations. Proper wire gauge is critical—higher-power inverters require heavier gauge cables to safely handle the current draw and minimize voltage drop.
USB Charging Capabilities
Many modern power inverters include integrated USB charging ports alongside traditional AC outlets, providing convenient charging for tablets, smartphones, diagnostic scan tools, and other USB-powered devices commonly used in automotive service environments. USB outputs typically provide 5V DC power with varying amperage ratings depending on the model, allowing technicians to charge multiple devices simultaneously without needing separate adapters.
Typical Shop Applications
Power inverters serve numerous functions in professional automotive service facilities, including:
- Powering diagnostic scan tools and programming equipment during road tests or remote diagnostics
- Running electric impact wrenches, drills, and other power tools for mobile service or outdoor repairs
- Operating battery chargers and maintainers in areas without convenient AC access
- Providing power for work lights and inspection equipment during off-site service calls
- Running laptops and tablets for accessing service information while working on vehicles
- Powering small welders or soldering equipment for mobile repair applications
Efficiency and Battery Drain Considerations
When using a power inverter, be aware that the conversion from DC to AC power involves some efficiency loss—typically around 10-15% depending on load and inverter quality. This means the battery must supply more DC power than the AC wattage being drawn. Additionally, inverters consume a small amount of current even when no devices are connected (no-load current draw), which varies by model. For extended use, monitor battery voltage to prevent excessive discharge, and consider running the vehicle periodically to maintain battery charge, especially when drawing higher continuous loads.
Important: Specifications vary by model. Always check individual product listings and manufacturer documentation for exact details on continuous power ratings, peak capacity, input voltage ranges, fuse ratings, cable specifications, and included accessories before making your selection.
ATD Tools Battery Boosters/Jump Starters
WARNING: These products can contains certain metals/chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov