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Explore Additional Products
OBD 12V Power Adapter | 2 Power Options | Dual USB Ports | Always-On Power
SKU: TSL3707- Description
- Shipping and Refund
Add convenient 12V power and dual USB charging ports to your vehicle with our OBD-powered adapter. Plugging directly into your OBD-II diagnostic port, this hidden adapter provides constant power even when the vehicle is off—perfect for dash cams, phone charging, and other accessories, while maintaining a clean, unobtrusive installation that doesn't block your view or occupy valuable console space.
Choose Your Power Option:
- 18W Version: Standard power output—ideal for phone charging and basic accessories
- 48W Version: High power output—supports dash cams, tablets, and multiple devices simultaneously
Why Choose This OBD Power Adapter?
- Always-On Constant Power: Provides continuous power even when vehicle is off—perfect for dash cams that need 24/7 recording and parking mode surveillance.
- Dual USB Fast Charging: Two USB ports deliver super-fast charging—saves time compared to standard chargers, charges devices quickly and efficiently.
- Hidden Installation Design: Plugs into OBD-II port under dashboard—beautiful, space-saving design doesn't block driving sight or clutter console.
- Secure & Stable Connection: Firmly locks into OBD port—provides continuous power supply even on rough roads and complex driving conditions.
- Smart Protection Chip: Built-in intelligent chip prevents short circuit, overvoltage, and overcurrent—ensures safe charging without damaging devices or vehicle.
- Premium Aluminum Alloy Construction: Aviation-grade aluminum alloy with excellent heat dissipation—quickly releases internal heat, doesn't overheat during fast charging.
- Universal Device Compatibility: Charges dash cams, phones, tablets, GPS devices, and any USB-powered accessories.
- No Installation Required: Simple plug-and-play operation—just insert into OBD port, no wiring or tools needed.
- Two Power Options: Choose 18W for basic needs or 48W for high-power devices and multiple simultaneous charging.
- Universal Compatibility: Works with Model 3, Y, S, X, Cybertruck, and most vehicles with OBD-II port.
Perfect For:
- 📹 Powering dash cams with parking mode
- 📱 Fast charging phones and tablets
- 🗺️ Powering GPS navigation devices
- 🎥 Running action cameras
- 💨 Powering air purifiers
- 🔦 Charging flashlights and tools
- 🎮 Powering gaming devices
- 🔌 Any USB-powered accessories
Complete Your Power Setup
Enhance your vehicle's power and charging capabilities with these products:
- Wireless Charging Console Organizer - Additional charging option
- 2-in-1 Screen Cleaner & Phone Stand - Device care
- BAYU 6-in-1 Portable Car Emergency Kit - Complete power solution
- Premium Dual-Sided Microfiber Towel - Interior care
Product Specifications:
- Type: OBD-II 12V power adapter with dual USB ports
- Power Options: 18W or 48W
- Output Ports: 2 USB charging ports
- Material: ABS plastic + Aviation aluminum alloy
- Features: Constant power mode (works when vehicle off)
- Protection: Smart chip with short circuit, overvoltage, overcurrent protection
- Heat Dissipation: Premium aluminum alloy for rapid cooling
- Installation: Plug-and-play into OBD-II port
- Design: Hidden under dashboard, doesn't block view
- Compatibility: Model 3, Y, S, X, Cybertruck, most OBD-II vehicles
- Use: Dash cams, phones, tablets, GPS, USB accessories
Installation Guide:
Locating OBD-II Port:
- OBD-II port is typically located under dashboard on driver's side
- Look near steering column or left of brake pedal
- Port is a 16-pin trapezoid-shaped connector
Installation Steps:
- Locate OBD-II diagnostic port under dashboard
- Ensure port is clean and free of debris
- Align adapter pins with OBD port
- Firmly push adapter into port until it clicks and locks
- Verify adapter is securely seated
- Connect USB devices to test power output
- Route USB cables neatly to avoid interference with pedals
- Adapter will provide power immediately
Installation Time: Less than 2 minutes. No tools required.
Package Includes:
- 1x OBD 12V Power Adapter with Dual USB Ports (18W or 48W as selected)
- User manual
Care & Maintenance:
- Check connection periodically to ensure secure fit
- Keep OBD port area clean and dry
- Avoid pulling on USB cables—disconnect from adapter, not port
- Monitor for overheating during extended use
- Unplug if not in use for extended periods (weeks)
- Inspect for damage before each use
Pro Tips for Best Results:
- 18W version suitable for 1-2 phones or basic dash cam
- 48W version recommended for dash cam + phone or multiple devices
- Constant power mode ideal for dash cams with parking surveillance
- Route cables carefully to avoid interfering with pedals or steering
- Use cable clips to keep USB cables organized and tidy
- Monitor battery if using high-power devices for extended periods while parked
- Smart chip automatically stops charging when devices are full
- Aluminum construction prevents overheating even during fast charging
Power Option Selection Guide:
- Choose 18W if you: Need basic phone/tablet charging, use single low-power dash cam, want most affordable option, have minimal power needs
- Choose 48W if you: Use high-resolution dash cam with parking mode, charge multiple devices simultaneously, need maximum power output, use tablets or high-power accessories
Safety Features Explained:
Smart Protection Chip:
- ✓ Short circuit protection—prevents electrical shorts
- ✓ Overvoltage protection—guards against voltage spikes
- ✓ Overcurrent protection—limits excessive current draw
- ✓ Overheating protection—monitors temperature
- ✓ Auto shut-off when fully charged—prevents battery damage
Premium Heat Dissipation:
- ✓ Aviation aluminum alloy construction
- ✓ Rapid heat release from internal components
- ✓ Prevents damage from overheating
- ✓ Maintains safe operating temperature during fast charging
- ✓ Long-lasting durability and reliability
Common Uses:
Dash Cam Power (Most Popular):
- Provides 24/7 power for parking mode surveillance
- Constant power even when vehicle is off
- No need for hardwiring or battery packs
- Clean installation without visible wires
Phone/Tablet Charging:
- Fast charging for driver and passenger devices
- Dual ports allow simultaneous charging
- Frees up console USB ports for other uses
- Hidden installation keeps console clutter-free
GPS & Accessories:
- Powers GPS navigation devices
- Runs air purifiers and fans
- Charges portable vacuum cleaners
- Powers any USB accessory
Advantages of This OBD Adapter:
- ✓ 2 power options (18W or 48W for different needs)
- ✓ Dual USB ports (charge 2 devices simultaneously)
- ✓ Always-on power (works when vehicle off)
- ✓ Hidden installation (clean, unobtrusive design)
- ✓ Smart protection (prevents electrical damage)
- ✓ Premium aluminum (excellent heat dissipation)
- ✓ Plug-and-play (no wiring or tools needed)
- ✓ Secure connection (stable even on rough roads)
- ✓ Universal compatibility (most OBD-II vehicles)
- ✓ Affordable (premium power solution, minimal cost)
Quality Guarantee: Backed by our 30-day satisfaction guarantee. If you experience any issues with quality or performance, we'll make it right.
Add convenient, always-on power to your vehicle with hidden, professional installation. Select your preferred power option and add to cart for a clean, reliable power solution that keeps your dash cam recording and devices charged without cluttering your console.
SHIPPING:
ORDER PROCESSING: Please allow 1-2 Days to process your order. Expect an email within 1-2 Days to let you know your order is on the way!
-
STORE PICKUP - [10040 Arlington Ave. Ste A Riverside, CA 92503 ]
Orders can be picked up daily, from [1.00pm to 3.00pm]. An email will be sent when your order is ready for pickup. - During checkout, enter your address and choose the ship option. Click the "continue to shipping" button.
- When your order is ready for delivery, you will receive an email with real-time tracking information.
- DOMESTIC/INTERNATIONAL SHIPPING RATES AND ESTIMATES: For calculated shipping rates: Shipping charges for your order will be calculated and displayed at checkout.
- INTERNATIONAL SHIPPING: Your order may be subject to import duties and taxes (including VAT), which are incurred once a shipment reaches your destination country. Best Key Solution is not responsible for these charges if they are applied and are your responsibility as the customer.
RETURN AND REFUND
- We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
- To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
- To start a return, you can contact us at info@bestkeysolution.com. Please note that returns will need to be sent to the following address: [10040 Arlington Ave. Ste A, Riverside CA 92503 USA]
- If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
- You can always contact us for any return question at info@bestkeysolution.com
Damages and issues: Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Exceptions / non-returnable items: Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item. Unfortunately, we cannot accept returns on sale items or gift cards.
Exchanges: The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
European Union 14 day cooling off period: Notwithstanding the above, if the merchandise is being shipped into the European Union, you have the right to cancel or return your order within 14 days, for any reason and without a justification. As above, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
Refunds: We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.
If more than 15 business days have passed since we’ve approved your return, please contact us at info@bestkeysolution.com.









