Dell LA45NM121 Compatible Laptop Adapter 19.0V 3.42A / 4.74A 65W / 90W (Fixed 31-Tip)

SKU: AC19V90+-+31+Tip-BP-K013
Regular price C$25.00
In stock
Orders placed after 3:00 PM (PT) will be processed on the next business day.
  • Compatible Brands Dell
  • Model/OPN LA45NM121
  • Output Current 3.42A / 4.74A
  • Output Voltage 19.0V
  • Input Voltage AC100-240V / 50-60Hz
  • Power 65W / 90W
  • Tip Size 4.5*3.0mm
  • Warranty 1 Year
Ships from Canada • Fast local delivery

This replacement laptop adapter for Dell LA45NM121 is available for C$25.00 . 19.0V · 3.42A / 4.74A · 65W / 90W · Tip: 4.5*3.0mm.

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 XPS Series XPS 12 UltrabookDell XPS Series XPS 13 (L321x)Dell XPS Series XPS 13 9350Dell XPS Series XPS 13 ClassicDell XPS Series XPS 13 MLKDell XPS Series XPS 13 UltrabookDell XPS Series XPS 13-4040SLVDell Vostro Series Vostro 13 5370Dell Vostro Series Vostro 13 5370-D1525SDell Vostro Series Vostro 14-3458Dell Vostro Series Vostro 14-3458 p65gDell Vostro Series Vostro 14-3459d-2729bDell Vostro Series Vostro 14-3468Dell Vostro Series Vostro 14-3468d-1525lDell Vostro Series Vostro 14-3468d-1525wDell Vostro Series Vostro 14-3468d-1725lDell Vostro Series Vostro 14-5468d-1525sDell Vostro Series Vostro 14-5468d-1605sDell Vostro Series Vostro 14-5471-d1505gDell Vostro Series Vostro 14-5471-d1525gDell Vostro Series Vostro 14-5471-d1545sDell Vostro Series Vostro 14-5471-d2745sDell Vostro Series Vostro 14-5481-d1505aDell Vostro Series Vostro 14-5481-d1505sDell Vostro Series Vostro 14-5481-d1625sDell Vostro Series Vostro 14-5481-d2625sDell Vostro Series Vostro 15-3549d-1628bDell Vostro Series Vostro 15-3558 p52fDell Vostro Series Vostro 15-3559d-1528bDell Vostro Series Vostro 15-3559d-2628rDell Vostro Series Vostro 15-3559d-2828bDell Vostro Series Vostro 15-3559d-3728bDell Vostro Series Vostro 15-3568Dell Vostro Series Vostro 15-3568d-2725sDell Vostro Series Vostro 15-3578Dell Vostro Series Vostro 15-3578-d1525bDell Vostro Series Vostro 15-3578-d1725bDell Vostro Series Vostro 15-3578-d2625aDell Vostro Series Vostro 15-3583Dell Vostro Series Vostro 15-3583-d1625sDell Vostro Series Vostro 15-5568d-1525sDell Vostro Series Vostro 15-5568d-1645lDell Vostro Series Vostro 15-5568d-1745sDell Vostro Series Vostro 15-5568d-1845sDell Vostro Series Vostro 15-5581-d1725sDell Vostro Series Vostro 15-5581-d2525sDell Vostro Series Vostro 3558Dell Vostro Series Vostro 3561Dell Vostro Series Vostro 5468-p75g001Dell Vostro Series Vostro 5590Dell Latitude Series Latitude 7212 Rugged Extreme TabletDell Inspiron Series G5 15 5587Dell Inspiron Series Inspiron 11 (3135)Dell Inspiron Series Inspiron 11 3147Dell Inspiron Series Inspiron 11 3152Dell Inspiron Series Inspiron 11 3157Dell Inspiron Series Inspiron 11 3162Dell Inspiron Series Inspiron 11 3168Dell Inspiron Series Inspiron 13 5370-D1505SDell Inspiron Series Inspiron 13 5370-D2605PDell Inspiron Series Inspiron 13 5370-D2605SDell Inspiron Series Inspiron 13 7347Dell Inspiron Series Inspiron 13 7352Dell Inspiron Series Inspiron 13 7353Dell Inspiron Series Inspiron 13 7370Dell Inspiron Series Inspiron 13 7370-D1605PDell Inspiron Series Inspiron 13 7370-DV18WDell Inspiron Series Inspiron 13 7373 (P83G001)Dell Inspiron Series Inspiron 13 7568Dell Inspiron Series Inspiron 13-5379 2-in-1Dell Inspiron Series Inspiron 13-5379-9573Dell Inspiron Series Inspiron 13-7368Dell Inspiron Series Inspiron 14 (7000)Dell Inspiron Series Inspiron 14 3451Dell Inspiron Series Inspiron 14 7437Dell Inspiron Series Inspiron 14-3458Dell Inspiron Series Inspiron 14-3465Dell Inspiron Series Inspiron 14-3480-d1625bDell Inspiron Series Inspiron 14-3480-d1625sDell Inspiron Series Inspiron 14-3482Dell Inspiron Series Inspiron 14-3482-d1205sDell Inspiron Series Inspiron 14-5458 p64gDell Inspiron Series Inspiron 14-5480-d1625sDell Inspiron Series Inspiron 14-5480-d1825rDell Inspiron Series Inspiron 14-5482 2-in-1Dell Inspiron Series Inspiron 14-5488-d1505gDell Inspiron Series Inspiron 14-5488-d1505sDell Inspiron Series Inspiron 14-5488-d1625pDell Inspiron Series Inspiron 14-5488-d1725gDell Inspiron Series Inspiron 14-5488-d2625pDell Inspiron Series Inspiron 14-5488-d2725sDell Inspiron Series Inspiron 14-5493-d1305sDell Inspiron Series Inspiron 14-5493-d1405sDell Inspiron Series Inspiron 14-5493-d1525sDell Inspiron Series Inspiron 14-5493-d1605sDell Inspiron Series Inspiron 14-5493-d1625sDell Inspiron Series Inspiron 14-5493-d1725sDell Inspiron Series Inspiron 14-7000(ins14-7460-r1605g)Dell Inspiron Series Inspiron 14-7460-d1625sDell Inspiron Series Inspiron 14-7460-d1725gDell Inspiron Series Inspiron 14-7472-d1601sDell Inspiron Series Inspiron 14-7472-d1605pDell Inspiron Series Inspiron 14-7472-d1605sDell Inspiron Series Inspiron 14-7472-d1625gDell Inspiron Series Inspiron 14-7472-d1625pDell Inspiron Series Inspiron 14-7472-d1725gDell Inspiron Series Inspiron 14-7472-d1725sDell Inspiron Series Inspiron 14-7472-d3505gDell Inspiron Series Inspiron 14-7472-d3505pDell Inspiron Series Inspiron 14-7472-d3505sDell Inspiron Series Inspiron 14-7472-d3521pDell Inspiron Series Inspiron 14-7472-d3525gDell Inspiron Series Inspiron 15 (3520)Dell Inspiron Series Inspiron 15 (7568)Dell Inspiron Series Inspiron 15 7570Dell Inspiron Series Inspiron 15 7573 2-in-1Dell Inspiron Series Inspiron 15-3000 SeriesDell Inspiron Series Inspiron 15-3521Dell Inspiron Series Inspiron 15-3551Dell Inspiron Series Inspiron 15-3558Dell Inspiron Series Inspiron 15-3565-d1908aDell Inspiron Series Inspiron 15-3567Dell Inspiron Series Inspiron 15-3567-d1525aDell Inspiron Series Inspiron 15-3576Dell Inspiron Series Inspiron 15-3576-d1525bDell Inspiron Series Inspiron 15-3582-d1205sDell Inspiron Series Inspiron 15-3583-d1525bDell Inspiron Series Inspiron 15-3583-d1725sDell Inspiron Series Inspiron 15-5000Dell Inspiron Series Inspiron 15-5551Dell Inspiron Series Inspiron 15-5558 p51fDell Inspiron Series Inspiron 15-5567Dell Inspiron Series Inspiron 15-5567-d1525rDell Inspiron Series Inspiron 15-5567-d1625rDell Inspiron Series Inspiron 15-5567-d1745lDell Inspiron Series Inspiron 15-5567-d2645aDell Inspiron Series Inspiron 15-5568Dell Inspiron Series Inspiron 15-5568d-1325sDell Inspiron Series Inspiron 15-5568d-1525lDell Inspiron Series Inspiron 15-5568d-1525sDell Inspiron Series Inspiron 15-5568d-1745sDell Inspiron Series Inspiron 15-5570Dell Inspiron Series Inspiron 15-5570-d1525sDell Inspiron Series Inspiron 15-5570-d1545wDell Inspiron Series Inspiron 15-5575-d1605sDell Inspiron Series Inspiron 15-5578Dell Inspiron Series Inspiron 15-5579 2-in-1Dell Inspiron Series Inspiron 15-5580Dell Inspiron Series Inspiron 15-5580-d1525lDell Inspiron Series Inspiron 15-5593Dell Inspiron Series Inspiron 15-5593-d1525sDell Inspiron Series Inspiron 15-5593-d1625sDell Inspiron Series Inspiron 15-7560-d1505sDell Inspiron Series Inspiron 15-7560-d1525sDell Inspiron Series Inspiron 15-7560-d1545gDell Inspiron Series Inspiron 15-7560-d1545sDell Inspiron Series Inspiron 15-7560-d1745gDell Inspiron Series Inspiron 15-7569Dell Inspiron Series Inspiron 15-7570Dell Inspiron Series Inspiron 15-7570-d1645sDell Inspiron Series Inspiron 15-7570-d2645sDell Inspiron Series Inspiron 15-7570-d2745pDell Inspiron Series Inspiron 15-7570-d2745sDell Inspiron Series Inspiron 15-7570-d2845sDell Inspiron Series Inspiron 15-7570-d5645pDell Inspiron Series Inspiron 15-7572-d1745sDell Inspiron Series Inspiron 15-7572-d2545sDell Inspiron Series Inspiron 15-7572-d3645sDell Inspiron Series Inspiron 15-7579Dell Inspiron Series Inspiron 15-7579 2-in-1Dell Inspiron Series Inspiron 15-7580Dell Inspiron Series Inspiron 15-7580-d1525pDell Inspiron Series Inspiron 15-7580-d1525sDell Inspiron Series Inspiron 15-7580-d2525sDell Inspiron Series Inspiron 15-7580-d2725sDell Inspiron Series Inspiron 17 (7779)Dell Inspiron Series Inspiron 17 7778Dell Inspiron Series Inspiron 17 7779Dell Inspiron Series Inspiron 17-3000 3780Dell Inspiron Series Inspiron 17-5755Dell Inspiron Series Inspiron 17-5758Dell Inspiron Series Inspiron 17-5759Dell Inspiron Series Inspiron 17-5767Dell Inspiron Series Inspiron 17-5770Dell Inspiron Series Inspiron 17-5770-0357Dell Inspiron Series Inspiron 17-5770-0371Dell Inspiron Series Inspiron 17-5770-0388Dell Inspiron Series Inspiron 3189Dell Inspiron Series Inspiron 3552Dell Inspiron Series Inspiron 3558Dell Inspiron Series Inspiron 3565Dell Inspiron Series Inspiron 5000(p69g001)Dell Inspiron Series Inspiron 5378Dell Inspiron Series Inspiron 5552Dell Inspiron Series Inspiron 5559Dell Inspiron Series Inspiron 5599Dell Inspiron Series Inspiron 5759Dell Inspiron Series Inspiron 7570Dell Inspiron Series Inspiron n3458Dell Inspiron Series Latitude 13-3379
Original Part Number
0A001-00041800 332-1827 LA45NM121 CDF57 450-18066 RFRWK DA45NM131 JHJX0 D0KFY 312-1307 450-18463 3RG0T 450-18920 LA65NS2-01 FA45NE1-00 0WJTJ PA-1450-66D1 0G6J41 450-AENV 44PV8
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.