M12 Battery 12V Car Adapter
Power your M12-format cordless tools anywhere your vehicle can go.
Never get stuck with a dead battery on a job again. This adapter lets you run or charge M12-style cordless tools directly from any standard 12V vehicle outlet. It’s built for contractors, field techs, DIY users, and anyone who works out of a truck or van and needs reliable power on the move.
Key Benefits
On-the-Go Power
Turn your vehicle into a mobile workstation. Charge batteries between jobs or power a tool directly when you’re away from wall outlets.
Broad Compatibility
Works with most M12-format cordless tools. Just plug the adapter into your vehicle’s 12V outlet and insert your battery.
Simple, Reliable Operation
A clean plug-and-play design with durable construction. Built to hold up to real job-site handling and vehicle environments.
Eliminate Downtime
No more waiting around for charged batteries. Keep your tools running while you drive or between tasks.
Compact and Tough
Small enough to store in a glove box or tool pouch. Designed for field use and easy transport.
Kit Options
DIY Kit
You assemble it. Requires basic soldering and drilling one hole in the enclosure.
Fully Assembled
Ready to use right out of the box.
Note: Tools and vehicles shown in any images are not included. Confirm that your vehicle’s 12V outlet can support the current draw of your tool or battery.


Designed and prototyped in our SF SOMA design lab by Ian Coll McEachern. Learn more at www.iancollmceachern.com

Disclaimer
By purchasing or using this product—whether as a DIY electronics kit or as a fully assembled unit—you acknowledge and agree to the following terms:
1. Assumption of Risk
This product is provided for users who understand and accept the risks associated with electronic devices and automotive electrical systems. You assume all responsibility for the safe handling, installation, assembly (if applicable), and operation of this product. Use of this product is entirely at your own risk.
2. No Liability
No liability is accepted for any damages, injuries, malfunctions, losses, or property damage resulting from the use or misuse of this product. This includes, but is not limited to:
Damage to vehicles, tools, batteries, or electronics
Personal injury
Fire or electrical hazards
Improper installation, wiring, modification, or operation
By using this product, you agree that the manufacturer, designer, and seller shall not be held responsible for any direct, indirect, incidental, or consequential damages.
3. User Responsibility
You are solely responsible for ensuring that:
You understand basic electrical principles and safe handling practices.
Your vehicle’s 12V outlet is suitable for the load drawn by your tool or battery.
You operate the product within the limits of your equipment and follow all safety instructions.
You comply with all local laws, regulations, and manufacturer recommendations.
Improper use, modifications, or operation outside intended purpose voids any warranty and is undertaken entirely at your own risk.
4. No Warranty
This product is provided “as-is,” with no express or implied warranties, including but not limited to fitness for a particular purpose, merchantability, or performance. No guarantee is made that the product will function in all vehicle types, environments, or applications.
5. Indemnification
By purchasing or using this product, you agree to indemnify, defend, and hold harmless the manufacturer, designer, and seller from any claims, damages, losses, costs, or legal fees arising out of your use, misuse, installation, modification, or reliance on this product. This includes any claims brought by third parties.
6. Professional Guidance
Any instructions, documentation, or guidance provided with this product are for general information only and do not constitute professional advice. If you are unsure about installation, wiring, or operation, consult a qualified professional before use.