Home » Lenovo 45N0122 Compatible Laptop Adapter 20V 4.5A 90W (Fixed 16-Tip)
Lenovo 45N0122 Compatible Laptop Adapter 20V 4.5A 90W (Fixed 16-Tip)
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Lenovo 45N0122 Compatible Laptop Adapter 20V 4.5A 90W (Fixed 16-Tip)
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Lenovo 45N0122 Compatible Laptop Adapter 20V 4.5A 90W (Fixed 16-Tip)

SKU: AC20V90+-+16+Tip-BP-K026
C$25.00
In stock
Orders placed after 3:00 PM (PT) will be processed on the next business day.
🔥 This product has a special offer: Buy 2 eligible items, get 1 item at 50% OFF
Discount applies to the lower-priced item in each pair. Repeats automatically. Not combinable with other offers.

More Compatible Options

→ Shop all Lenovo laptop adapters → Shop all Lenovo laptop batteries
  • Compatible Brands Lenovo
  • Model/OPN 45N0122
  • Output Current 4.5A
  • Output Voltage 20V
  • Input Voltage AC100~240V / 50~60Hz
  • Power 90W
  • Tip Size 8.0*5.5mm
  • Warranty 1 Year
Ships from Canada • Fast local delivery

This replacement laptop adapter for Lenovo 45N0122 is available for C$25.00 — Buy 1, get 1 at 50% off . 20V · 4.5A · 90W · Tip: 8.0*5.5mm.

Important Notes
  • Please make sure the DC output and tip size are compatible before placing the order.
Compatible Model
Lenovo ThinkPad X Series ThinkPad X100e 3506Lenovo ThinkPad X Series ThinkPad X121e 3051Lenovo ThinkPad X Series ThinkPad X130e 3368Lenovo ThinkPad X Series ThinkPad X131e 3367-98GLenovo ThinkPad X Series ThinkPad X131e 3367-9BULenovo ThinkPad X Series ThinkPad X131e 3368-46ULenovo ThinkPad X Series ThinkPad X131e 3368-4MULenovo ThinkPad X Series ThinkPad X131e 3371-2KULenovo ThinkPad X Series ThinkPad X131e 3371-7MULenovo ThinkPad X Series ThinkPad X131e 3371-7NULenovo ThinkPad X Series ThinkPad X131e 3371-8CULenovo ThinkPad X Series ThinkPad X131e 3372-2MULenovo ThinkPad X Series ThinkPad X131e 3372-3GULenovo ThinkPad X Series ThinkPad X131e 3372-3PULenovo ThinkPad X Series ThinkPad X140e 20BL0005USLenovo ThinkPad X Series ThinkPad X201i 3323Lenovo ThinkPad X Series ThinkPad X201s 5142Lenovo ThinkPad X Series ThinkPad X220 4289Lenovo ThinkPad X Series ThinkPad X220 4290Lenovo ThinkPad X Series ThinkPad X220 Tablet 4296-32ULenovo ThinkPad X Series ThinkPad X220i 4287Lenovo ThinkPad X Series ThinkPad X220t 4300Lenovo ThinkPad X Series ThinkPad X230 2320-32ULenovo ThinkPad X Series ThinkPad X230 2320-35ULenovo ThinkPad X Series ThinkPad X230 2320-39ULenovo ThinkPad X Series ThinkPad X230 2320-A7ULenovo ThinkPad X Series ThinkPad X230 2320-HMULenovo ThinkPad X Series ThinkPad X230 2320-L8ULenovo ThinkPad X Series ThinkPad X230 2324-23GLenovo ThinkPad X Series ThinkPad X230 2324-3NULenovo ThinkPad X Series ThinkPad X230 2324-63ULenovo ThinkPad X Series ThinkPad X230 2325-2EGLenovo ThinkPad X Series ThinkPad X230 2325-2PULenovo ThinkPad X Series ThinkPad X230 2325-2SULenovo ThinkPad X Series ThinkPad X230 2325-3QGLenovo ThinkPad X Series ThinkPad X230 2325-5PULenovo ThinkPad X Series ThinkPad X230 2325-77GLenovo ThinkPad X Series ThinkPad X230 2325-86ULenovo ThinkPad X Series ThinkPad X230 2325-87ULenovo ThinkPad X Series ThinkPad X230 2325-8AULenovo ThinkPad X Series ThinkPad X230 2325-BCGLenovo ThinkPad X Series ThinkPad X230 2325-BEGLenovo ThinkPad X Series ThinkPad X230 2325-BFGLenovo ThinkPad X Series ThinkPad X230 2325-BMULenovo ThinkPad X Series ThinkPad X230 2333Lenovo ThinkPad X Series ThinkPad X230 SeriesLenovo ThinkPad X Series ThinkPad X230 Tablet 3435Lenovo ThinkPad X Series ThinkPad X230 Tablet 3437-27ULenovo ThinkPad X Series ThinkPad X230 Tablet 3437-2ZULenovo ThinkPad X Series ThinkPad X230 Tablet 3438Lenovo ThinkPad X Series ThinkPad X230 Tablet 3438-23ULenovo ThinkPad X Series ThinkPad X230 Tablet 3438-2UULenovo ThinkPad X Series ThinkPad X230i 2322Lenovo ThinkPad X Series ThinkPad X230i 2324-95GLenovo ThinkPad Twist Series ThinkPad Twist S230u 20C4-24ULenovo ThinkPad Twist Series ThinkPad Twist S230u 20C4-28ULenovo ThinkPad T Series ThinkPad T410 2522Lenovo ThinkPad T Series ThinkPad T420 4238Lenovo ThinkPad T Series ThinkPad T420s 4174 28ULenovo ThinkPad T Series ThinkPad T420siLenovo ThinkPad T Series ThinkPad T420si 4173Lenovo ThinkPad T Series ThinkPad T430 2342-6QULenovo ThinkPad T Series ThinkPad T430 2342-7YULenovo ThinkPad T Series ThinkPad T430 2344-BNULenovo ThinkPad T Series ThinkPad T430 2344-GRULenovo ThinkPad T Series ThinkPad T430 2347-GAGLenovo ThinkPad T Series ThinkPad T430 2347-KVGLenovo ThinkPad T Series ThinkPad T430 2349-G4GLenovo ThinkPad T Series ThinkPad T430 2349-G5GLenovo ThinkPad T Series ThinkPad T430 2349-G9GLenovo ThinkPad T Series ThinkPad T430 2349-GDGLenovo ThinkPad T Series ThinkPad T430 2349-JFGLenovo ThinkPad T Series ThinkPad T430 2349-JJGLenovo ThinkPad T Series ThinkPad T430 2349-KAGLenovo ThinkPad T Series ThinkPad T430 2349-LLGLenovo ThinkPad T Series ThinkPad T430 2349-LQGLenovo ThinkPad T Series ThinkPad T430 2349-LTULenovo ThinkPad T Series ThinkPad T430i 2344-FXGLenovo ThinkPad T Series ThinkPad T430s 2353-67ULenovo ThinkPad T Series ThinkPad T430s 2353-6GULenovo ThinkPad T Series ThinkPad T430s 2353-6HULenovo ThinkPad T Series ThinkPad T430s 2353-9KULenovo ThinkPad T Series ThinkPad T430s 2353-9VULenovo ThinkPad T Series ThinkPad T430s 2353-B3ULenovo ThinkPad T Series ThinkPad T430s 2353-B4ULenovo ThinkPad T Series ThinkPad T430s 2355-HDULenovo ThinkPad T Series ThinkPad T430s 2355-HFGLenovo ThinkPad T Series ThinkPad T430s 2355-HJULenovo ThinkPad T Series ThinkPad T430s 2355-K7ULenovo ThinkPad T Series ThinkPad T430s 2356-H8GLenovo ThinkPad T Series ThinkPad T430s 2356-HAGLenovo ThinkPad T Series ThinkPad T430s 2356-LAGLenovo ThinkPad T Series ThinkPad T430s 2356-MHULenovo ThinkPad T Series ThinkPad T430u 33515ZCLenovo ThinkPad T Series ThinkPad T430u 33519SCLenovo ThinkPad T Series ThinkPad T430u 3352A31Lenovo ThinkPad T Series ThinkPad T430u 3353-3NGLenovo ThinkPad T Series ThinkPad T430u 3353-3PGLenovo ThinkPad T Series ThinkPad T430u 6273-26ULenovo ThinkPad T Series ThinkPad T430u 6273-3DULenovo ThinkPad T Series ThinkPad T430u 86141C3Lenovo ThinkPad T Series ThinkPad T510i 4873Lenovo ThinkPad T Series ThinkPad T520 4242Lenovo ThinkPad T Series ThinkPad T530 2392-44ULenovo ThinkPad T Series ThinkPad T530 2392-47ULenovo ThinkPad T Series ThinkPad T530 2392-64ULenovo ThinkPad T Series ThinkPad T530 2392-66ULenovo ThinkPad T Series ThinkPad T530 2392-6AULenovo ThinkPad T Series ThinkPad T530 2392-EKGLenovo ThinkPad T Series ThinkPad T530 2392-FSULenovo ThinkPad T Series ThinkPad T530 2394Lenovo ThinkPad T Series ThinkPad T530 2394-44GLenovo ThinkPad T Series ThinkPad T530 2394-5RGLenovo ThinkPad T Series ThinkPad T530 2394-5VGLenovo ThinkPad T Series ThinkPad T530 2394-62ULenovo ThinkPad T Series ThinkPad T530 2394-63GLenovo ThinkPad T Series ThinkPad T530 2394-70GLenovo ThinkPad T Series ThinkPad T530 2429-23GLenovo ThinkPad T Series ThinkPad T530 2429-2WGLenovo ThinkPad T Series ThinkPad T530 2429-42ULenovo ThinkPad T Series ThinkPad T530 2429-44ULenovo ThinkPad T Series ThinkPad T530 2429-5UGLenovo ThinkPad T Series ThinkPad T530 2429-5ZGLenovo ThinkPad T Series ThinkPad T530 2429-63GLenovo ThinkPad T Series ThinkPad T530 2429-6DGLenovo ThinkPad T Series ThinkPad T530 2429-75GLenovo ThinkPad T Series ThinkPad T530 2429-77GLenovo ThinkPad T Series ThinkPad T530 2429-84GLenovo ThinkPad T Series ThinkPad T530i 2392-E6GLenovo ThinkPad S Series ThinkPad S230u Twist 33473QCLenovo ThinkPad L Series ThinkPad L420Lenovo ThinkPad L Series ThinkPad L430 2465-2AGLenovo ThinkPad L Series ThinkPad L430 2465-2EGLenovo ThinkPad L Series ThinkPad L430 2465-2FGLenovo ThinkPad L Series ThinkPad L430 2465-33ULenovo ThinkPad L Series ThinkPad L430 2465-5TGLenovo ThinkPad L Series ThinkPad L430 2466-3KULenovo ThinkPad L Series ThinkPad L430 2466-5SULenovo ThinkPad L Series ThinkPad L430 2466-64GLenovo ThinkPad L Series ThinkPad L430 2468-34GLenovo ThinkPad L Series ThinkPad L430 2468-3SGLenovo ThinkPad L Series ThinkPad L430 2468-55GLenovo ThinkPad L Series ThinkPad L430 2468-6BGLenovo ThinkPad L Series ThinkPad L430 2469-26ULenovo ThinkPad L Series ThinkPad L530Lenovo ThinkPad L Series ThinkPad L530 2478-2XGLenovo ThinkPad L Series ThinkPad L530 2478-2XULenovo ThinkPad L Series ThinkPad L530 2478-57GLenovo ThinkPad L Series ThinkPad L530 2478-59GLenovo ThinkPad L Series ThinkPad L530 2478-5DGLenovo ThinkPad L Series ThinkPad L530 2478-5RULenovo ThinkPad L Series ThinkPad L530 2479-39ULenovo ThinkPad L Series ThinkPad L530 2479-3EULenovo ThinkPad L Series ThinkPad L530 2479-5KULenovo ThinkPad L Series ThinkPad L530 2479-64ULenovo ThinkPad L Series ThinkPad L530 2481-2RGLenovo ThinkPad L Series ThinkPad L530 2481-2TGLenovo ThinkPad L Series ThinkPad L530 2481-3RGLenovo ThinkPad L Series ThinkPad L530 2481-3TGLenovo ThinkPad L Series ThinkPad L530 2481-4ZGLenovo ThinkPad Edge Series ThinkPad Edge E130 3358-5GGLenovo ThinkPad Edge Series ThinkPad Edge E130 3358-8QGLenovo ThinkPad Edge Series ThinkPad Edge E130 3358-9EGLenovo ThinkPad Edge Series ThinkPad Edge E130 3358-B2GLenovo ThinkPad Edge Series ThinkPad Edge E135 3359-62GLenovo ThinkPad Edge Series ThinkPad Edge E135 3359-65GLenovo ThinkPad Edge Series ThinkPad Edge E135 3359-72GLenovo ThinkPad Edge Series ThinkPad Edge E330 3354-BNGLenovo ThinkPad Edge Series ThinkPad Edge E330 3354-CSGLenovo ThinkPad Edge Series ThinkPad Edge E330 3354-DTGLenovo ThinkPad Edge Series ThinkPad Edge E330 3354-DUGLenovo ThinkPad Edge Series ThinkPad Edge E335 3355-66GLenovo ThinkPad Edge Series ThinkPad Edge E530 3259-LZGLenovo ThinkPad Edge Series ThinkPad Edge E530 6272-3QGLenovo ThinkPad Edge Series ThinkPad Edge E530c 3366-52GLenovo ThinkPad Edge Series ThinkPad Edge E530c 3366-53GLenovo ThinkPad Edge Series ThinkPad Edge E530c 3366-54ULenovo ThinkPad Edge Series ThinkPad Edge E530c 3366-7LGLenovo ThinkPad Edge Series ThinkPad Edge E530c 3366-7MGLenovo ThinkPad Edge Series ThinkPad Edge E535 3260Lenovo ThinkPad Edge Series ThinkPad Edge E535 3260-5SULenovo ThinkPad Edge Series ThinkPad Edge E535 3260-5UULenovo ThinkPad Edge Series ThinkPad Edge E535 3260-DXULenovo ThinkPad Edge Series ThinkPad Edge E535 3260-E2ULenovo ThinkPad Edge Series ThinkPad Edge E535 3260-ECGLenovo ThinkPad Edge Series ThinkPad Edge E535 3260-FVGLenovo ThinkPad Edge Series ThinkPad Edge E545 20B2000LLenovo ThinkPad Edge Series ThinkPad Edge E545 20B2000SUSLenovo ThinkPad Edge Series ThinkPad Edge S430 3364-5JGLenovo ThinkPad Edge Series ThinkPad Edge S430 3364-7AGLenovo M Series - Lenovo M490 - LenovoLenovo IdeaPad Series Ideapad U31-70 M5007DUSLenovo Essential B Series Essential B590 6274-2GGLenovo Essential B Series Essential B590 6274-2JGLenovo B Series - Lenovo B480 Series - LenovoLenovo B Series - Lenovo B490 Bolt IVLenovo B Series - Lenovo B580A-IFILenovo B Series - Lenovo B585 Series - LenovoLenovo 3000 N Series 3000 N100 0689Lenovo 3000 C Series 3000 C100 0761-2BU
Original Part Number
93P5026 92P1110 41R4493 92P1156 92P1112 92P1214 92P1158 40Y7659 92P1153 92P1104 92P1212 92P1155 92P1157 PA-1900-17I 92P1154 92P1106 92P1211 92P1114 40Y7696 92P1108 92P1109 PA-1650-161 92P1107 92P1111 92P1159 92P1160 PA-1900-081 42T4439 40Y7665 45N0053 45N0059 45N0194 45N0120 40Y7669 42T4423 42T5282 45N0182 45N0304 45N0122 45N0316 45N0057 45N0302 40Y7673 45N0214 45N0306 40Y7662 45N0196 45N0110 45N0318 40Y7671 45N0116 45N0114 45N0312 40Y7670 42T4427 42T4421 40Y7661 42T4417 42T4419 45N0202 40Y7663 42T5283 45J7717 42T4425 45N0055 45N0186 45N0112 45N0192 40Y7667 42T4429 45N0180 42T4418 92P1103 41R4322 45N0068 42T4431 45N0310 42T4416 45N0198 45N0314 45N0080 40Y7666 40Y7672 45N0320 45N0208 45N0324 40Y7668 45N0308 45N0212 45N0210 45N0200 PA-1650-53I 45N0322 40Y7664 40Y7674 45N0118 42T5000 45N0184
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.