Is this power adapter compatible with my Lenovo 45N0320?

This adapter is designed for use with the Lenovo 45N0320. To ensure proper compatibility, please verify that the output voltage (20V) matches exactly and that the connector type is the same as your original charger.

What is the output voltage of this charger?

The adapter delivers an output of 20V. The voltage must match your original charger precisely to ensure safe and reliable charging.

Does this adapter provide enough power for my laptop?

With a rating of 4.5A and 90W, this adapter meets or exceeds the power requirements of most compatible laptops. Using equal or higher amperage and wattage is acceptable as long as voltage and connector are correct.

What are the barrel connector dimensions?

The barrel connector measures 8.0mm outer diameter (OD) and 5.5mm inner diameter (ID). Both dimensions must match your original adapter to ensure a secure connection.

Lenovo 45N0320 Compatible Laptop Adapter 20V 4.5A 90W (Fixed 16-Tip)

Lenovo 45N0320 Compatible Laptop Adapter 20V 4.5A 90W (Fixed 16-Tip)

Q: Can this adapter be used internationally?

This adapter supports an input range of AC100~240V / 50~60Hz. It can be used in other countries as long as the local voltage falls within this range and the correct plug adapter is used.

SKU: AC20V90+-+16+Tip-BP-K030

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 Model

Lenovo V Series - Lenovo V480cLenovo ThinkPad X Series Enhanced ThinkPad X100eLenovo ThinkPad X Series ThinkPad X100e 3507Lenovo ThinkPad X Series ThinkPad X120e 0596Lenovo ThinkPad X Series ThinkPad X121e SeriesLenovo ThinkPad X Series ThinkPad X131eLenovo ThinkPad X Series ThinkPad X131e 3367-98ULenovo ThinkPad X Series ThinkPad X131e 3367-9GULenovo ThinkPad X Series ThinkPad X131e 3368-3PULenovo ThinkPad X Series ThinkPad X131e 3368-3YGLenovo ThinkPad X Series ThinkPad X131e 3371-2RULenovo ThinkPad X Series ThinkPad X131e 3371-7JULenovo ThinkPad X Series ThinkPad X131e 3371-89ULenovo ThinkPad X Series ThinkPad X131e 3372-2AULenovo ThinkPad X Series ThinkPad X131e 3372-3GULenovo ThinkPad X Series ThinkPad X140e 20BL0006USLenovo ThinkPad X Series ThinkPad X140e 20BL000FUSLenovo ThinkPad X Series ThinkPad X201s 5397Lenovo ThinkPad X Series ThinkPad X220 Tablet 4296-2YULenovo ThinkPad X Series ThinkPad X220 Tablet 4299-36ULenovo ThinkPad X Series ThinkPad X220s SeriesLenovo ThinkPad X Series ThinkPad X230 2320-3AULenovo ThinkPad X Series ThinkPad X230 2320-JCULenovo ThinkPad X Series ThinkPad X230 2324-22GLenovo ThinkPad X Series ThinkPad X230 2324-25ULenovo ThinkPad X Series ThinkPad X230 2324-5SULenovo ThinkPad X Series ThinkPad X230 2324-89ULenovo ThinkPad X Series ThinkPad X230 2324-8AULenovo ThinkPad X Series ThinkPad X230 2325-2QGLenovo ThinkPad X Series ThinkPad X230 2325-2QULenovo ThinkPad X Series ThinkPad X230 2325-2RULenovo ThinkPad X Series ThinkPad X230 2325-5RGLenovo ThinkPad X Series ThinkPad X230 2325-5TGLenovo ThinkPad X Series ThinkPad X230 2325-5UGLenovo ThinkPad X Series ThinkPad X230 2325-64GLenovo ThinkPad X Series ThinkPad X230 2325-65ULenovo ThinkPad X Series ThinkPad X230 2325-66ULenovo ThinkPad X Series ThinkPad X230 2325-6GGLenovo ThinkPad X Series ThinkPad X230 2325-88ULenovo ThinkPad X Series ThinkPad X230 2325-AEGLenovo ThinkPad X Series ThinkPad X230 2325-B5GLenovo ThinkPad X Series ThinkPad X230 2325-BNULenovo ThinkPad X Series ThinkPad X230 Tablet 3435-24ULenovo ThinkPad X Series ThinkPad X230 Tablet 3435-2JULenovo ThinkPad X Series ThinkPad X230 Tablet 3435-2KULenovo ThinkPad X Series ThinkPad X230 Tablet 3435-2UULenovo ThinkPad X Series ThinkPad X230 Tablet 3437Lenovo ThinkPad X Series ThinkPad X230 Tablet 3437-27ULenovo ThinkPad X Series ThinkPad X230 Tablet 3437-2SGLenovo ThinkPad X Series ThinkPad X230 Tablet 3437-2TULenovo ThinkPad X Series ThinkPad X230 Tablet 3437-2UULenovo ThinkPad X Series ThinkPad X230 Tablet 3437-2ZULenovo ThinkPad X Series ThinkPad X230 Tablet 3437-3LGLenovo ThinkPad X Series ThinkPad X230 Tablet 3438Lenovo ThinkPad X Series ThinkPad X230 Tablet 3438-2UULenovo ThinkPad X Series ThinkPad X230 Tablet 3438-3TGLenovo ThinkPad X Series ThinkPad X230i 2322Lenovo ThinkPad X Series ThinkPad X230tLenovo ThinkPad Twist Series ThinkPad Twist 3347A44Lenovo ThinkPad Twist Series ThinkPad Twist S230u 3347-27GLenovo ThinkPad Twist Series ThinkPad Twist S230u 3347-6LULenovo ThinkPad Twist Series ThinkPad Twist S230u 3347-8NULenovo ThinkPad T Series ThinkPad T420 4177Lenovo ThinkPad T Series ThinkPad T420iLenovo ThinkPad T Series ThinkPad T420s 4174 29ULenovo ThinkPad T Series ThinkPad T420s 4174 PPULenovo ThinkPad T Series ThinkPad T420si 4176Lenovo ThinkPad T Series ThinkPad T430 2342Lenovo ThinkPad T Series ThinkPad T430 2342-36ULenovo ThinkPad T Series ThinkPad T430 2344-5NULenovo ThinkPad T Series ThinkPad T430 2344-6XULenovo ThinkPad T Series ThinkPad T430 2344-FSULenovo ThinkPad T Series ThinkPad T430 2347Lenovo ThinkPad T Series ThinkPad T430 2347-G7ULenovo ThinkPad T Series ThinkPad T430 2347-K8ULenovo ThinkPad T Series ThinkPad T430 2347-KZGLenovo ThinkPad T Series ThinkPad T430 2347-L3ULenovo ThinkPad T Series ThinkPad T430 2349-G7GLenovo ThinkPad T Series ThinkPad T430 2349-H2GLenovo ThinkPad T Series ThinkPad T430 2349-JPGLenovo ThinkPad T Series ThinkPad T430 2349-JSULenovo ThinkPad T Series ThinkPad T430 2349-KDGLenovo ThinkPad T Series ThinkPad T430 2349-LMGLenovo ThinkPad T Series ThinkPad T430 2349-PHGLenovo ThinkPad T Series ThinkPad T430s 2352-2KULenovo ThinkPad T Series ThinkPad T430s 2353-6BULenovo ThinkPad T Series ThinkPad T430s 2353-ALULenovo ThinkPad T Series ThinkPad T430s 2353-AYULenovo ThinkPad T Series ThinkPad T430s 2353-B7ULenovo ThinkPad T Series ThinkPad T430s 2354Lenovo ThinkPad T Series ThinkPad T430s 2355-GTULenovo ThinkPad T Series ThinkPad T430s 2355-HCULenovo ThinkPad T Series ThinkPad T430s 2356-G3ULenovo ThinkPad T Series ThinkPad T430s 2356-GBGLenovo ThinkPad T Series ThinkPad T430s 2356-GRULenovo ThinkPad T Series ThinkPad T430s 2356-H7GLenovo ThinkPad T Series ThinkPad T430s 2356-L8GLenovo ThinkPad T Series ThinkPad T430s 2356-N2GLenovo ThinkPad T Series ThinkPad T430si 2353Lenovo ThinkPad T Series ThinkPad T430u 3351-8EULenovo ThinkPad T Series ThinkPad T430u 33519NCLenovo ThinkPad T Series ThinkPad T430u 33519SCLenovo ThinkPad T Series ThinkPad T430u 33519WCLenovo ThinkPad T Series ThinkPad T430u 3352-33ULenovo ThinkPad T Series ThinkPad T430u 3353-36GLenovo ThinkPad T Series ThinkPad T430u 3353-3KGLenovo ThinkPad T Series ThinkPad T430u 6273-24ULenovo ThinkPad T Series ThinkPad T430u 6273-26ULenovo ThinkPad T Series ThinkPad T430u 6273-3CULenovo ThinkPad T Series ThinkPad T430u 6273-3DGLenovo ThinkPad T Series ThinkPad T430u 8614-ASGLenovo ThinkPad T Series ThinkPad T430u 8614-BDGLenovo ThinkPad T Series ThinkPad T510 4313Lenovo ThinkPad T Series ThinkPad T510 4873Lenovo ThinkPad T Series ThinkPad T510i 5584Lenovo ThinkPad T Series ThinkPad T520 4243Lenovo ThinkPad T Series ThinkPad T530 2359-4LULenovo ThinkPad T Series ThinkPad T530 2392-3XULenovo ThinkPad T Series ThinkPad T530 2392-49ULenovo ThinkPad T Series ThinkPad T530 2392-4CULenovo ThinkPad T Series ThinkPad T530 2392-4DULenovo ThinkPad T Series ThinkPad T530 2392-67ULenovo ThinkPad T Series ThinkPad T530 2392-6AULenovo ThinkPad T Series ThinkPad T530 2392-AQULenovo ThinkPad T Series ThinkPad T530 2392-EHGLenovo ThinkPad T Series ThinkPad T530 2392-FJULenovo ThinkPad T Series ThinkPad T530 2394-36ULenovo ThinkPad T Series ThinkPad T530 2394-44GLenovo ThinkPad T Series ThinkPad T530 2394-6DULenovo ThinkPad T Series ThinkPad T530 2429-23GLenovo ThinkPad T Series ThinkPad T530 2429-44GLenovo ThinkPad T Series ThinkPad T530 2429-5WULenovo ThinkPad T Series ThinkPad T530 2429-61GLenovo ThinkPad T Series ThinkPad T530 2429-6BGLenovo ThinkPad T Series ThinkPad T530 2429-6DGLenovo ThinkPad T Series ThinkPad T530 2429-6LGLenovo ThinkPad T Series ThinkPad T530 2429-82GLenovo ThinkPad T Series ThinkPad T530 2430Lenovo ThinkPad T Series ThinkPad T530i 2392-ENGLenovo ThinkPad S Series ThinkPad S230u Twist 33474WCLenovo ThinkPad L Series ThinkPad L420Lenovo ThinkPad L Series ThinkPad L430 2465-33ULenovo ThinkPad L Series ThinkPad L430 2465-5SGLenovo ThinkPad L Series ThinkPad L430 2465-7CULenovo ThinkPad L Series ThinkPad L430 2466-3AULenovo ThinkPad L Series ThinkPad L430 2466-3CULenovo ThinkPad L Series ThinkPad L430 2466-5TULenovo ThinkPad L Series ThinkPad L430 2468-3BULenovo ThinkPad L Series ThinkPad L430 2468-3LGLenovo ThinkPad L Series ThinkPad L430 2468-5AGLenovo ThinkPad L Series ThinkPad L430 2468-6AGLenovo ThinkPad L Series ThinkPad L430 2469-2XULenovo ThinkPad L Series ThinkPad L510Lenovo ThinkPad L Series ThinkPad L512Lenovo ThinkPad L Series ThinkPad L530 2478-29ULenovo ThinkPad L Series ThinkPad L530 2478-2CULenovo ThinkPad L Series ThinkPad L530 2478-4NGLenovo ThinkPad L Series ThinkPad L530 2478-5AGLenovo ThinkPad L Series ThinkPad L530 2478-5NULenovo ThinkPad L Series ThinkPad L530 2478-5PULenovo ThinkPad L Series ThinkPad L530 2478-5SULenovo ThinkPad L Series ThinkPad L530 2478-62ULenovo ThinkPad L Series ThinkPad L530 2479-32ULenovo ThinkPad L Series ThinkPad L530 2479-5KULenovo ThinkPad L Series ThinkPad L530 2481-2SGLenovo ThinkPad L Series ThinkPad L530 2481-4WGLenovo ThinkPad L Series ThinkPad L530 2481-4XGLenovo ThinkPad L Series ThinkPad L530 2481-5CGLenovo ThinkPad L Series ThinkPad L530 2481-5MGLenovo ThinkPad Edge Series ThinkPad Edge 11Lenovo ThinkPad Edge Series ThinkPad Edge 11 NVZ3BGELenovo ThinkPad Edge Series ThinkPad Edge 13 0217Lenovo ThinkPad Edge Series ThinkPad Edge E130 3358-8BGLenovo ThinkPad Edge Series ThinkPad Edge E130 3358-AYGLenovo ThinkPad Edge Series ThinkPad Edge E130 3358-AZGLenovo ThinkPad Edge Series ThinkPad Edge E145 20BC0005Lenovo ThinkPad Edge Series ThinkPad Edge E325Lenovo ThinkPad Edge Series ThinkPad Edge E330 3354-94GLenovo ThinkPad Edge Series ThinkPad Edge E330 3354-AHGLenovo ThinkPad Edge Series ThinkPad Edge E330 3354-ASGLenovo ThinkPad Edge Series ThinkPad Edge E530 3259-7AGLenovo ThinkPad Edge Series ThinkPad Edge E530 3259-A2GLenovo ThinkPad Edge Series ThinkPad Edge E530 3259-HJGLenovo ThinkPad Edge Series ThinkPad Edge E530 3259-MBGLenovo ThinkPad Edge Series ThinkPad Edge E530 3259-MJGLenovo ThinkPad Edge Series ThinkPad Edge E530 6272-33GLenovo ThinkPad Edge Series ThinkPad Edge E530 6272-6LGLenovo ThinkPad Edge Series ThinkPad Edge E530c 3366-3SGLenovo ThinkPad Edge Series ThinkPad Edge E530c 3366-65GLenovo ThinkPad Edge Series ThinkPad Edge E535 3260-E4ULenovo ThinkPad Edge Series ThinkPad Edge E535 3260-FQGLenovo ThinkPad Edge Series ThinkPad Edge E545 20B2000UUSLenovo ThinkPad Edge Series Thinkpad Twist S203ULenovo IdeaPad Series Ideapad U510-59-360056Lenovo Essential B Series Essential B590 3761Lenovo Essential B Series Essential B590 6274-3BGLenovo 3000 C Series 3000 C100 0761-22ULenovo 3000 C Series 3000 C200 8922-03ULenovo 3000 C Series 3000 C200 8922-2AULenovo 3000 C Series 3000 C200 8922-A2U

Original Part Number

41R4493 92P1155 92P1154 92P1109 92P1158 92P1111 92P1214 93P5026 PA-1900-081 92P1106 92P1159 92P1112 PA-1900-17I 92P1156 92P1212 92P1104 PA-1650-161 40Y7659 92P1110 92P1114 92P1211 92P1153 92P1160 40Y7696 92P1108 92P1107 92P1157 42T5282 42T5283 42T4425 45N0114 45N0196 40Y7669 40Y7672 45N0057 42T4416 42T4419 45N0324 45N0208 45N0318 45N0182 45N0186 45N0312 45N0308 45N0055 42T4418 42T4423 45N0068 42T4431 PA-1650-53I 45N0053 45N0080 40Y7674 40Y7661 40Y7662 45N0212 45N0306 45N0322 40Y7666 45N0110 45N0122 40Y7670 41R4322 40Y7664 45N0184 42T4439 42T4421 40Y7668 45N0194 45N0316 42T4417 40Y7663 40Y7673 45N0320 45N0200 45N0120 45N0198 45N0310 40Y7671 45N0304 45N0059 45N0210 42T4429 42T4427 45N0302 45N0116 92P1103 45N0192 40Y7665 42T5000 45N0314 45N0180 45N0118 45N0112 45N0202 45J7717 40Y7667 45N0214

Adapter Q&A How to Choose the Right Adapter Protection Features

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.

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