Home » Dell Inspiron 7720 Compatible Laptop Adapter 19.5V 3.34A/4.62A 65W/90W (Fixed K1-Tip)
Dell Inspiron 7720 Compatible Laptop Adapter 19.5V 3.34A/4.62A 65W/90W (Fixed K1-Tip)
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Dell Inspiron 7720 Compatible Laptop Adapter 19.5V 3.34A/4.62A 65W/90W (Fixed K1-Tip)
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Inspiron Series

Dell Inspiron 7720 Compatible Laptop Adapter 19.5V 3.34A/4.62A 65W/90W (Fixed K1-Tip)

SKU: AC19V90K1-BP-K260
C$25.00
In stock
Orders placed after 3:00 PM (PT) will be processed on the next business day.

More Compatible Options

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  • Compatible Brands Dell
  • Model/OPN Inspiron 7720
  • 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 7720 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 14R-1445LPK Dell Inspiron 15 I3542-5967BK Dell Inspiron 15R-1633SLV Dell Inspiron 3010-D480 Dell Inspiron N5010D-258 Dell Latitude 14 7000 Series Ultrabook (E7450) Dell Latitude 15 3000 Series (3540) Dell Latitude E4300 Dell Latitude E5520 Dell Latitude E6430 Series Dell P01E Dell Studio XPS 1640 Dell Vostro 2520 Dell Vostro 3360 Dell Vostro 3400 Dell Vostro 3460 Series Dell Vostro 3555 Dell Vostro V1710 Dell XPS 14z (L412z)
Original Part Number
Dell 04H6NV Dell 05U092 Dell 06TFFF Dell 0928G4 Dell 0D094H Dell 0DF263 Dell 0NNWP1 Dell 0U7809 Dell 0V0KR Dell 1X917 Dell 2H098 Dell 310-3149 Dell 310-399 Dell 310-6325 Dell 310-6557 Dell 310-7501 Dell 310-7697 Dell 310-7698 Dell 310-7699 Dell 310-7701 Dell 310-7743 Dell 310-7860 Dell 310-8941 Dell 310-9047 Dell 310-9049 Dell 310-9050 Dell 310-9249 Dell 310-9375 Dell 310-9439 Dell 312-0579 Dell 312-0597 Dell 320-1389 Dell 330-1069 Dell 330-1825 Dell 330-1827 Dell 330-2963 Dell 330-4113 Dell 331-5968 Dell 332-1831 Dell 450-19049 Dell 462-7635 Dell 5U092 Dell 6C3W2 Dell 6TFFF Dell 6TM1C Dell 71615 Dell 928G4 Dell A065R007L Dell AA22850 Dell C026H Dell C120H Dell CF719 Dell CM889 Dell CP-WTC0V Dell DA65NM130 Dell DA65NM133 Dell DA65NM135 Dell DA65NM136 Dell DA65NM138 Dell DA65NM139 Dell DF263 Dell F2663 Dell F7970 Dell F8834 Dell FA90PE1-00 Dell FA90PM130 Dell FA90PM131 Dell FA90PM132 Dell FA90PM134 Dell FA90PM137 Dell FA90PM139 Dell HA90NM130 Dell HF991 Dell HX648 Dell KT2MG Dell LA65NM130 Dell LA65NS0-00 Dell LA65NS2-01 Dell M1P9J Dell M585J Dell N2768 Dell N566J Dell N6M8J Dell NADP-90KBA Dell NF599 Dell PA-10 Dell PA-12 Dell PA-1650-02DD Dell PA-1650-050 Dell PA-1900-02D2 Dell PA-21 Dell PC531 Dell TR82J Dell U7809 Dell WTC0V Dell XD733 Dell XD802 Dell YD637 Dell YD703 Dell YR733
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.