Craftsmen 20V Battery Buck Converter 12V USB-C Cigarette Lighter
Craftsmen 20V MAX Battery to 12V Buck Converter with USB-C & Cigarette Lighter Output
Transform your Craftsmen 20V MAX lithium battery into a versatile portable power station. This compact step-down converter delivers stable 12V DC output through a high-current cigarette lighter socket, plus dual fast-charging USB ports — making it the perfect companion for camping, road trips, job sites, and outdoor adventures.
Made in Mainland China.
Key Features
- Compatible with Craftsmen 20V MAX Series: Works with CMCB202, CMCB201, CMCB204, CMCB204-2, CMCB202-2, CMCB204-OPE, CMCB209, and more (battery not included).
- High-Power 12V Cigarette Lighter Socket: Supports up to 20A / 240W maximum output — enough to run car refrigerators, air compressors, vacuum cleaners, and other automotive accessories directly from your power tool battery.
- Dual Fast-Charging USB Ports: Integrated USB-A and USB Type-C ports both support QC3.0 and PD3.0 fast-charging protocols, delivering up to 27W combined. Charge smartphones, tablets, and other devices quickly without any wall outlet.
- 3-in-1 Functionality: Buck converter + cigarette lighter socket + dual USB charging combined in one compact, portable unit — no cable clutter, no extra adapters needed.
- Stable Regulated Output: Input voltage DC 18V–21V is stepped down to a clean, stable DC 12V output, protecting your devices from voltage fluctuations.
- Durable Plastic Housing: Lightweight and rugged construction designed for field use.
Specifications
- Compatible Battery Voltage: 18V – 20V (Craftsmen 20V MAX series)
- Input Voltage: DC 18V – 21V
- Output Voltage: DC 12V; DC 5V–13V (USB ports)
- Max Output Current: 20A
- Max Output Power: 240W
- USB Fast Charging: QC3.0 + PD3.0 (up to 27W)
- Material: Plastic
- Battery Included: No
- Charger Included: No
What's in the Box
- 1× Step-Down Buck Converter Power Battery Adapter
Note: Due to lighting and display differences, product color may vary slightly from images. Measurement tolerance: ±1–3 cm.
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Learn more: EPA guidance on lithium-ion battery handling
Frequently Asked Questions
Q: Which Craftsmen 20V MAX battery models are compatible with this buck converter?
A: This step-down converter is compatible with the Craftsmen 20V MAX lithium battery series, including models CMCB202, CMCB201, CMCB204, CMCB204-2, CMCB202-2, CMCB204-OPE, and CMCB209. Please ensure your battery fits within the 18V–21V DC input range.
Q: Can I use this converter to power a car refrigerator or cooler?
A: Yes! The 12V cigarette lighter output supports up to 20A and 240W, making it capable of powering car refrigerators, portable coolers, air compressors, tire inflators, and other standard 12V automotive accessories directly from your Craftsmen 20V battery.
Q: Does this converter support fast charging for phones and tablets?
A: Absolutely. The integrated USB-A and USB Type-C ports both support QC3.0 and PD3.0 fast-charging protocols, delivering up to 27W combined output for rapid charging of compatible smartphones, tablets, and other USB-powered devices.
Q: Is the battery included with this converter?
A: No, the battery is not included. This adapter is designed to work with your existing Craftsmen 20V MAX series batteries. Only the step-down converter adapter is included in the package.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.