Home » Dell Inspiron 5749 Compatible Laptop Adapter 19.5V 3.34A/4.62A 65W/90W (Fixed K1-Tip)
Dell Inspiron 5749 Compatible Laptop Adapter 19.5V 3.34A/4.62A 65W/90W (Fixed K1-Tip)
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Dell Inspiron 5749 Compatible Laptop Adapter 19.5V 3.34A/4.62A 65W/90W (Fixed K1-Tip)
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Inspiron Series

Dell Inspiron 5749 Compatible Laptop Adapter 19.5V 3.34A/4.62A 65W/90W (Fixed K1-Tip)

SKU: AC19V90K1-BP-K247
C$25.00
In stock
Orders placed after 3:00 PM (PT) will be processed on the next business day.

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  • Compatible Brands Dell
  • Model/OPN Inspiron 5749
  • Model Series Inspiron Series
  • Output Current 3.34A/4.62A
  • Output Voltage 19.5V
  • Input Voltage AC100~240V / 50~60Hz
  • Power 65W/90W
  • Tip Size 7.4*5.0mm
  • Warranty 1 Year
Ships from Canada • Fast local delivery

This replacement laptop adapter for Dell Inspiron 5749 is available for C$25.00 . 19.5V · 3.34A/4.62A · 65W/90W · Tip: 7.4*5.0mm.

Important Notes
  • Please make sure the DC output and tip size are compatible before placing the order.
  • For Inspiron 15 3000 series, please must make sure the tip size before placing the order.
Compatible Model
Dell Inspiron 13R (3010-D460TW) Dell Inspiron 14R 7420 Dell Inspiron 14R N4110-8073DBK Dell Inspiron 15 I3542-5000BK Dell Inspiron 15 I5547-3751SLV Dell Inspiron 17 I17RV Series Dell Inspiron 5521 Dell Inspiron 5537 Dell Inspiron 5537-9608 Dell Latitude 131L Dell Latitude 6430U-102T Dell Latitude 7280 Dell Latitude D520 Essential Dell Latitude E5470 Dell Precision M60 Dell Studio 1440 Dell Vostro 1320n Dell Vostro V130 380UM Dell Vostro V1720
Original Part Number
Dell 04H6NV Dell 07W104 Dell 0928G4 Dell 09RN2C Dell 0V0KR Dell 0Y807G Dell 0Y808G Dell 2JVNJ Dell 310-2860 Dell 310-2862 Dell 310-4002 Dell 310-4408 Dell 310-4804 Dell 310-6325 Dell 310-7251 Dell 310-7441 Dell 310-7696 Dell 310-7697 Dell 310-7701 Dell 310-7712 Dell 310-7721 Dell 310-7740 Dell 310-7860 Dell 310-7866 Dell 310-8363 Dell 310-8941 Dell 310-9047 Dell 310-9048 Dell 310-9049 Dell 310-9050 Dell 310-9375 Dell 310-9376 Dell 310-9438 Dell 310-9763 Dell 312-0579 Dell 312-0596 Dell 320-1389 Dell 330-0732 Dell 330-0946 Dell 330-1069 Dell 330-1826 Dell 330-1828 Dell 330-2964 Dell 330-3003 Dell 331-5968 Dell 450-19049 Dell 5U092 Dell 71615 Dell A065R007L Dell AA22850 Dell C026H Dell CF719 Dell D094H Dell DA65NM130 Dell DA65NM132 Dell DA65NM133 Dell DA65NM135 Dell DA65NM136 Dell DA65NM137 Dell DA65NM138 Dell DA65NM139 Dell DA65NS4-00 Dell DF263 Dell DF349 Dell DF398 Dell F8834 Dell FA90PE1-00 Dell FA90PM134 Dell FA90PM136 Dell FA90PM137 Dell FA90PM138 Dell FA90PM139 Dell HH44H Dell HX648 Dell K9TGR Dell LA90NM130 Dell M1P9J Dell MK911 Dell N2765 Dell N6M8J Dell NADP-90KB Dell NADP-90KBA Dell NN236 Dell NNWP1 Dell PA12 Dell PA-1650-05D2 Dell PA-1900-02D2 Dell PA-1900-28D Dell PA-21 Dell PA-2E Dell PA-3E Dell PC531 Dell PP02X Dell TJ76K Dell W5420 Dell W916G Dell WTC0V Dell XD802 Dell Y807G Dell Y808G
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.