OBD 12V Power Adapter | 2 Power Options | Dual USB Ports | Always-On Power
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Free shipping on orders over $149Dec 15 - Dec 19
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30-day free returns & exchanges
OBD 12V Power Adapter | 2 Power Options | Dual USB Ports | Always-On Power
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
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- 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.
TESERY Return Policy
We are committed to providing you with a worry-free and enjoyable shopping experience. Should you need to return a product, we offer a clear and convenient return service.
1.Order Cancellation
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You can request to cancel your order before it has been shipped.
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If your order has already been shipped, we will do our best to intercept it, but success is not guaranteed.
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Please submit your cancellation request via email or through our online customer service.
2. 30-Day Return Policy
You have the right to request a return within 30 days from the date you receive your item. To ensure a smooth process, please make sure to contact us and initiate the return within this 30-day period.
3. Eligibility for Returns
To be eligible for a refund, returned products must meet the following conditions:
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The item must be in the same condition as when you received it—unworn, unused, with tags, and in its original packaging.
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Proof of purchase is required.
4. Return Reasons & Associated Fees
We handle two types of returns:
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Quality Issues or Damaged Products:
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If the item you received is defective, damaged, or if you received the wrong item, please contact us immediately. We will issue a full refund or provide a replacement and will cover all associated costs.
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Non-Quality-Related Returns (e.g., Personal Preference):
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For returns initiated due to personal preferences (e.g., change of mind, dissatisfaction with the color or style), a 15% restocking fee will be applied, and the customer is responsible for covering the return shipping costs.
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5. The Return Process
To start a return, please follow these steps:
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Contact Us:
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Send an email to
support@tesery.com/ service@tesery.com or use our live chat to inform us of your return request.
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Receive Instructions:
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Once your return request is approved, we will send you detailed return instructions, including the shipping address and packing guidelines.
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Ship the Item Back:
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Please ship the item back according to the instructions provided. Please note that items sent back to us without first requesting a return will not be accepted.
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6. Non-Returnable Items
Due to their nature, certain types of items are not eligible for return:
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Customized Products: For example, steering wheels and wheels that are explicitly marked as custom products cannot be returned for non-quality-related issues.
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Specific Items: This includes gift cards, hazardous materials, or flammable liquids/gases.
If you have any questions about the eligibility of a specific item, please contact us before making a purchase.
7. Refunds & Exchanges
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Refunds:
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Once we receive and inspect your returned item, we will notify you and inform you if the refund has been approved. Approved refunds will be processed automatically to your original payment method within 1-5 business days. The final credit posting time depends on your bank or credit card company.
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Exchanges:
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For the fastest way to ensure you get what you want, we recommend that you return the item you have, and once the return is accepted, make a separate purchase for the new item.
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Your satisfaction is of the utmost importance to us. If you have any questions, please do not hesitate to contact us. Thank you for choosing to shop with TESERY!
