Home » Compaq 394209-001 Compatible Laptop Adapter 19V 7.1A 135W (HP/Compag 3-prong tip)
Compaq 394209-001 Compatible Laptop Adapter 19V 7.1A 135W (HP/Compag 3-prong tip)
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Compaq 394209-001 Compatible Laptop Adapter 19V 7.1A 135W (HP/Compag 3-prong tip)
Product image 2

Compaq 394209-001 Compatible Laptop Adapter 19V 7.1A 135W (HP/Compag 3-prong tip)

SKU: AC19V135OV-BP-K001
C$36.99
In stock
Orders placed after 3:00 PM (PT) will be processed on the next business day.

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  • Compatible Brands Compaq
  • Model/OPN 394209-001
  • Output Current 7.1A
  • Output Voltage 19V
  • Input Voltage AC100~240V / 50~60Hz
  • Power 135W
  • Tip Size HP/Compag 3-prong tip
  • Warranty 1 Year
Ships from Canada • Fast local delivery

This replacement laptop adapter for Compaq 394209-001 is available for C$36.99 . 19V · 7.1A · 135W · Tip: HP/Compag 3-prong tip.

Compatible Model
Compaq Presario Series Presario R4000Compaq Presario Series Presario R4000 CTOCompaq Presario Series Presario R4025EACompaq Presario Series Presario R4065EACompaq Presario Series Presario R4100 CTOCompaq Presario Series Presario R4100 SeriesCompaq Presario Series Presario R4155EACompaq Presario Series Presario R4200 SeriesCompaq Presario Series Presario R4218EACompaq Presario Series Presario R4220Compaq Presario Series Presario R4225 SeriesCompaq Presario Series Presario R4225CACompaq Presario Series Presario X6000Compaq Presario Series Presario X6000 SeriesCompaq Presario Series Presario X6001 MV IURCompaq Presario Series Presario X6001 SeriesCompaq Presario Series Presario X6002 MV IURCompaq Presario Series Presario X6002 SeriesCompaq Presario Series Presario X6003 MV IURCompaq Presario Series Presario X6003 SeriesCompaq Presario Series Presario X6050 SeriesCompaq Presario Series Presario X6050CACompaq Presario Series Presario X6050USCompaq Presario Series Presario X6070 SeriesCompaq Presario Series Presario X6070USCompaq Presario Series Presario X6100 Series
Original Part Number
344500-001 378768-001 378368-001 394209-001 394208-001 374427-001 375143-001 394809-001 393952-001 393953-002 394903-001 374427-002 375126-001 375117-001 393953-001 PPP017L HP-OW135F13 EA350A#ABA HSTNN-HA01 EA350A PA-1121-12HD
How can I confirm a replacement laptop adapter will work with my laptop?
Match the output voltage exactly, then confirm the connector type/size and polarity. Wattage can be the same or higher than your original adapter.
Where do I find the voltage and wattage information?
Check the label on your original charger (or the laptop’s bottom label). Look for Output (V) and Wattage (W). The voltage must match exactly.
Can I use an adapter with a different voltage?
In most cases, no. Using the wrong voltage can cause charging issues or damage your laptop.
Can I use a higher wattage adapter (for example 90W instead of 65W)?
Yes—higher wattage is usually OK as long as the voltage matches and the connector fits. Your laptop will only draw the power it needs.
How do I confirm the connector size is correct?
Compare the tip with your original charger and check the listed connector size (OD × ID). Even small differences (like 5.5×2.1mm vs 5.5×2.5mm) may not fit properly.
What does polarity mean, and why does it matter?
Polarity indicates which part of the plug is positive/negative. It must match your original adapter for safe and reliable charging.
My laptop uses USB-C charging. Can I use any USB-C charger?
Not always. Your laptop may require USB-C Power Delivery (PD) and a minimum wattage (such as 45W/65W/90W). Use a PD charger that meets or exceeds your laptop’s requirement.
Can this adapter be used internationally?
Many adapters support 100–240V input. Check your charger label. If it supports 100–240V, you can use it overseas with the correct plug adapter.
How can I find my laptop model on a Windows laptop?
If you are using a Windows laptop, you can find your laptop model using System Information:

• Step 1: Press Windows + R to open the Run window.
• Step 2: Type msinfo32 and click OK.
• Step 3: In the System Summary section, find System Model in the right pane.

Choosing the correct replacement adapter matters for safety and charging performance. Use this checklist before you place your order:

1. Match the Output Voltage

  • Check your original charger label for Output (for example, 19V).
  • The output voltage should match exactly.

2. Confirm Wattage / Amperage

  • Wattage can be the same or higher than your original adapter.
  • Using higher wattage is usually fine if voltage and connector match.

3. Check Connector Type & Size

  • For barrel tips, match the connector size (OD × ID).
  • For USB-C, ensure it supports USB-C PD and enough wattage for laptops.

4. Verify Polarity

  • Match the polarity symbol shown on your original adapter label.

💡 Battpit tip: Before using any laptop adapter, always check:
• Output voltage (must match exactly)
• Wattage (same or higher is OK)
• Connector size & polarity

All Battpit laptop adapters are designed with advanced built-in safety protection features to ensure reliable and stable charging performance. Our replacement AC adapters help protect your laptop, battery, and internal components during everyday use.

  • Over-voltage protection – Protects your laptop from sudden voltage spikes and unstable power supply.
  • Over-current protection – Prevents excessive current flow to maintain safe and consistent charging.
  • Short-circuit protection – Automatically shuts down the power adapter if a fault is detected.
  • Over-temperature protection – Helps reduce overheating risks for safer long-term use.

Each Battpit replacement laptop charger is engineered to meet high safety and quality standards, providing dependable performance for your notebook computer at home, office, or travel.

Safety & Compliance

Certified Quality You Can Trust

Battpit Canada replacement laptop batteries and AC adapters are selected with safety, compatibility, and compliance in mind. Products may meet common industry standards including RoHS, CE, UL, and ULC where applicable.

RoHS
RoHS Compliant Helps reduce restricted hazardous substances in electronic products.
CE
CE Marked Designed to meet applicable safety and quality requirements.
UL
UL Recognized Components Selected products may use UL recognized cells, components, or protection circuits.
ULC
ULC Safety Standard Supports safety confidence for products supplied to Canadian customers.
Why this matters: These compliance marks help customers choose a reliable replacement laptop battery, laptop charger, or AC adapter with built-in safety features such as over-charge, over-current, over-voltage, and short-circuit protection.