Bosch GBA 18V to 12V Converter Adapter – USB, Type-C & DC
Bosch GBA 18V to 12V Converter Adapter – USB, Type-C & DC
Bosch GBA 18V to 12V DC Converter Adapter – USB, Type-C & Car Socket
Transform your Bosch GBA Series 18V lithium battery into a versatile portable power station. The BOS18TO12 step-down buck converter adapter connects directly to your Bosch 18V Li-Ion battery pack and delivers regulated 12V DC output, fast-charging USB-A, and USB-C ports — perfect for worksites, camping, road trips, or any off-grid situation where reliable power matters.
Key Features
- Universal Charging Ports: One USB-A port and one USB-C port, each delivering QC 3.0 fast charging up to 27W (MAX) — charge smartphones, tablets, laptops, Bluetooth headsets, GPS devices, power banks, and more.
- 12V DC Cigarette Lighter Socket: Provides up to 20A (MAX) output to power low-draw 12V car accessories including portable vacuums, car air purifiers, GPS navigators, air compressors, and car fans.
- Step-Down Buck Regulation: Efficiently steps the Bosch GBA 18V Li-Ion battery input down to a stable 12V DC output, protecting your devices from voltage fluctuations.
- Compatible with Bosch GBA 18V Series: Designed exclusively for Bosch GBA 18V lithium battery packs (battery not included).
- Durable Plastic Housing: Lightweight yet sturdy construction for reliable everyday use on the job or on the go.
- Compact & Portable: Attaches directly to the battery — no extra wiring or tools needed.
Specifications
- Model: BOS18TO12
- Battery Input: 18V Li-Ion (Bosch GBA Series)
- USB-A Output: QC 3.0, 27W MAX
- USB-C Output: QC 3.0, 27W MAX
- DC Output: 12V, 20A MAX
- Material: Plastic
- Battery Included: No
- Charger Included: No
- Made in China
Package Contents
- 1 × BOS18TO12 Car Adapter Converter
Important: If you will not be using this device for an extended period, be sure to remove the battery from the adapter to preserve battery life.
Note: Due to light reflection and display differences, the item color in photos may vary slightly from the actual product. Measurement tolerance: ±1–3 cm.
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Learn more: EPA guidance on lithium-ion battery handling
Frequently Asked Questions
Q: Which Bosch battery packs are compatible with the BOS18TO12 converter adapter?
A: The BOS18TO12 is designed specifically for the Bosch GBA Series 18V lithium-ion battery packs. Please ensure your battery is a Bosch GBA 18V Li-Ion model before purchasing. Other battery brands or voltages are not supported.
Q: What devices can I power using the USB and USB-C ports on this adapter?
A: Both the USB-A and USB-C ports support QC 3.0 fast charging at up to 27W MAX each. You can charge smartphones, tablets, laptops, Bluetooth headsets, MP3 players, GPS receivers, power banks, and any other USB-chargeable devices.
Q: Can I use the 12V DC cigarette lighter socket to run car accessories?
A: Yes! The 12V DC socket outputs up to 20A MAX, making it suitable for low-draw 12V accessories such as portable car vacuums, GPS navigators, car air fans, and similar devices. Always ensure the combined draw of your accessories does not exceed the rated output.
Q: Does the adapter come with a battery or charger?
A: No — the package includes only the BOS18TO12 converter adapter. The Bosch GBA 18V battery and charger are sold separately.
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.