Home » Lenovo 42T4429 Compatible Laptop Adapter 20V 4.5A 90W (Fixed 16-Tip)
Lenovo 42T4429 Compatible Laptop Adapter 20V 4.5A 90W (Fixed 16-Tip)
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Lenovo 42T4429 Compatible Laptop Adapter 20V 4.5A 90W (Fixed 16-Tip)
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Lenovo 42T4429 Compatible Laptop Adapter 20V 4.5A 90W (Fixed 16-Tip)

SKU: AC20V90+-+16+Tip-BP-K018
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 42T4429
  • 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 42T4429 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 X120eLenovo ThinkPad X Series ThinkPad X130e 0627Lenovo ThinkPad X Series ThinkPad X131e 3367-8FULenovo ThinkPad X Series ThinkPad X131e 3368-3MULenovo ThinkPad X Series ThinkPad X131e 3368-44ULenovo ThinkPad X Series ThinkPad X131e 3371-2NULenovo ThinkPad X Series ThinkPad X131e 3371-2PULenovo ThinkPad X Series ThinkPad X131e 3371-7LULenovo ThinkPad X Series ThinkPad X131e 3371-86ULenovo ThinkPad X Series ThinkPad X131e 3371-88ULenovo ThinkPad X Series ThinkPad X131e 3371-8DULenovo ThinkPad X Series ThinkPad X131e 3372Lenovo ThinkPad X Series ThinkPad X131e 3372-2TULenovo ThinkPad X Series ThinkPad X140e 20BL000DUSLenovo ThinkPad X Series ThinkPad X200si 7465Lenovo ThinkPad X Series ThinkPad X201i 3323Lenovo ThinkPad X Series ThinkPad X220 4286Lenovo ThinkPad X Series ThinkPad X220 Tablet 4296Lenovo ThinkPad X Series ThinkPad X220 Tablet 4296-33ULenovo ThinkPad X Series ThinkPad X220 Tablet 4298-3YULenovo ThinkPad X Series ThinkPad X220 Tablet 4299-36ULenovo ThinkPad X Series ThinkPad X220i TabletLenovo ThinkPad X Series ThinkPad X220s SeriesLenovo ThinkPad X Series ThinkPad X230 2320-35ULenovo ThinkPad X Series ThinkPad X230 2320-HNULenovo ThinkPad X Series ThinkPad X230 2320-LTULenovo ThinkPad X Series ThinkPad X230 2324-23GLenovo ThinkPad X Series ThinkPad X230 2324-3NULenovo ThinkPad X Series ThinkPad X230 2324-5QULenovo ThinkPad X Series ThinkPad X230 2324-5SGLenovo ThinkPad X Series ThinkPad X230 2324-62GLenovo ThinkPad X Series ThinkPad X230 2324-65ULenovo ThinkPad X Series ThinkPad X230 2324-66GLenovo ThinkPad X Series ThinkPad X230 2325-3QGLenovo ThinkPad X Series ThinkPad X230 2325-5SGLenovo ThinkPad X Series ThinkPad X230 2325-66GLenovo ThinkPad X Series ThinkPad X230 2325-6DGLenovo ThinkPad X Series ThinkPad X230 2325-77GLenovo ThinkPad X Series ThinkPad X230 2325-7BGLenovo ThinkPad X Series ThinkPad X230 2325-A7ULenovo ThinkPad X Series ThinkPad X230 2325-AFGLenovo ThinkPad X Series ThinkPad X230 SeriesLenovo ThinkPad X Series ThinkPad X230 Tablet 3435-2YULenovo ThinkPad X Series ThinkPad X230 Tablet 3437-2AULenovo ThinkPad X Series ThinkPad X230 Tablet 3438-24GLenovo ThinkPad X Series ThinkPad X230 Tablet 3438-27GLenovo ThinkPad X Series ThinkPad X230i 2324-6SGLenovo ThinkPad Twist Series ThinkPad Twist S230u 20C4-27ULenovo ThinkPad Twist Series ThinkPad Twist S230u 20C4-29ULenovo ThinkPad Twist Series ThinkPad Twist S230u 3347-2PULenovo ThinkPad Twist Series ThinkPad Twist S230u 3347-4TGLenovo ThinkPad Twist Series ThinkPad Twist S230u 3347-6LULenovo ThinkPad Twist Series ThinkPad Twist S230u 3347-8NULenovo ThinkPad T Series ThinkPad T410 2518Lenovo ThinkPad T Series ThinkPad T410i 2519Lenovo ThinkPad T Series ThinkPad T420s 4174 L8ULenovo ThinkPad T Series ThinkPad T420s 4174 PPULenovo ThinkPad T Series ThinkPad T420s-4174Lenovo ThinkPad T Series ThinkPad T430 2342-48ULenovo ThinkPad T Series ThinkPad T430 2342-4BULenovo ThinkPad T Series ThinkPad T430 2344-5GULenovo ThinkPad T Series ThinkPad T430 2344-BMLenovo ThinkPad T Series ThinkPad T430 2344-GMULenovo ThinkPad T Series ThinkPad T430 2344-GQULenovo ThinkPad T Series ThinkPad T430 2344-GRULenovo ThinkPad T Series ThinkPad T430 2345Lenovo ThinkPad T Series ThinkPad T430 2347-G3ULenovo ThinkPad T Series ThinkPad T430 2347-G6GLenovo ThinkPad T Series ThinkPad T430 2347-GBGLenovo ThinkPad T Series ThinkPad T430 2347-H6ULenovo ThinkPad T Series ThinkPad T430 2347-H8ULenovo ThinkPad T Series ThinkPad T430 2347-J9GLenovo ThinkPad T Series ThinkPad T430 2347-J9ULenovo ThinkPad T Series ThinkPad T430 2347-K9ULenovo ThinkPad T Series ThinkPad T430 2349-G5GLenovo ThinkPad T Series ThinkPad T430 2349-JNULenovo ThinkPad T Series ThinkPad T430 2349-LPGLenovo ThinkPad T Series ThinkPad T430 2349-PVGLenovo ThinkPad T Series ThinkPad T430 2349-PWGLenovo ThinkPad T Series ThinkPad T430 2349-PXGLenovo ThinkPad T Series ThinkPad T430 2349-Q4GLenovo ThinkPad T Series ThinkPad T430 2349-Q6GLenovo ThinkPad T Series ThinkPad T430s 2352-2KULenovo ThinkPad T Series ThinkPad T430s 2353-67ULenovo ThinkPad T Series ThinkPad T430s 2353-B3ULenovo ThinkPad T Series ThinkPad T430s 2353-B4ULenovo ThinkPad T Series ThinkPad T430s 2353-B5ULenovo ThinkPad T Series ThinkPad T430s 2355-G2ULenovo ThinkPad T Series ThinkPad T430s 2355-HHGLenovo ThinkPad T Series ThinkPad T430s 2355-JEULenovo ThinkPad T Series ThinkPad T430s 2356-H8ULenovo ThinkPad T Series ThinkPad T430s 2356-L9ULenovo ThinkPad T Series ThinkPad T430s 2356-LBGLenovo ThinkPad T Series ThinkPad T430s 2356-LQGLenovo ThinkPad T Series ThinkPad T430s 2356-MLGLenovo ThinkPad T Series ThinkPad T430s 2357Lenovo ThinkPad T Series ThinkPad T430u 335169CLenovo ThinkPad T Series ThinkPad T430u 3351A26Lenovo ThinkPad T Series ThinkPad T430u 3352A29Lenovo ThinkPad T Series ThinkPad T430u 3353-3NGLenovo ThinkPad T Series ThinkPad T430u 3353-3TGLenovo ThinkPad T Series ThinkPad T430u 6273-3DGLenovo ThinkPad T Series ThinkPad T430u 8614-8BULenovo ThinkPad T Series ThinkPad T430u 8614-8CULenovo ThinkPad T Series ThinkPad T430u 8614-ASGLenovo ThinkPad T Series ThinkPad T510iLenovo ThinkPad T Series ThinkPad T510i 5584Lenovo ThinkPad T Series ThinkPad T520 4242Lenovo ThinkPad T Series ThinkPad T530 2359-2CULenovo ThinkPad T Series ThinkPad T530 2359-2DULenovo ThinkPad T Series ThinkPad T530 2359-2HULenovo ThinkPad T Series ThinkPad T530 2392-4AULenovo ThinkPad T Series ThinkPad T530 2392-4EULenovo ThinkPad T Series ThinkPad T530 2392-ARULenovo ThinkPad T Series ThinkPad T530 2394-45GLenovo ThinkPad T Series ThinkPad T530 2394-5XGLenovo ThinkPad T Series ThinkPad T530 2394-64ULenovo ThinkPad T Series ThinkPad T530 2394-65GLenovo ThinkPad T Series ThinkPad T530 2394-7NULenovo ThinkPad T Series ThinkPad T530 2429-26ULenovo ThinkPad T Series ThinkPad T530 2429-2BULenovo ThinkPad T Series ThinkPad T530 2429-2EULenovo ThinkPad T Series ThinkPad T530 2429-2WGLenovo ThinkPad T Series ThinkPad T530 2429-45ULenovo ThinkPad T Series ThinkPad T530 2429-5UULenovo ThinkPad T Series ThinkPad T530 2429-5WULenovo ThinkPad T Series ThinkPad T530 2429-65GLenovo ThinkPad T Series ThinkPad T530 2429-6FGLenovo ThinkPad T Series ThinkPad T530 2429-70GLenovo ThinkPad T Series ThinkPad T530 2429-84GLenovo ThinkPad Series ThinkPad Reserve Edition 8748Lenovo ThinkPad S Series ThinkPad S230u 3347A44Lenovo ThinkPad S Series ThinkPad S230u Twist 33475PMLenovo ThinkPad S Series ThinkPad S230u Twist 3347AA9Lenovo ThinkPad L Series ThinkPad L430 2465-2BGLenovo ThinkPad L Series ThinkPad L430 2465-5TGLenovo ThinkPad L Series ThinkPad L430 2465-5WGLenovo ThinkPad L Series ThinkPad L430 2465-7DULenovo ThinkPad L Series ThinkPad L430 2466-5UULenovo ThinkPad L Series ThinkPad L430 2468Lenovo ThinkPad L Series ThinkPad L430 2468-36GLenovo ThinkPad L Series ThinkPad L430 2468-3HGLenovo ThinkPad L Series ThinkPad L430 2468-67GLenovo ThinkPad L Series ThinkPad L530 2478Lenovo ThinkPad L Series ThinkPad L530 2478-2AGLenovo ThinkPad L Series ThinkPad L530 2478-2AULenovo ThinkPad L Series ThinkPad L530 2478-2XGLenovo ThinkPad L Series ThinkPad L530 2479-45ULenovo ThinkPad L Series ThinkPad L530 2479-63GLenovo ThinkPad L Series ThinkPad L530 2481-2SGLenovo ThinkPad L Series ThinkPad L530 2481-2WGLenovo ThinkPad L Series ThinkPad L530 2481-34ULenovo ThinkPad L Series ThinkPad L530 2481-4QULenovo ThinkPad L Series ThinkPad L530 2481-5HGLenovo ThinkPad L Series ThinkPad L530 2481-5RULenovo ThinkPad L Series ThinkPad L530 2485-22ULenovo ThinkPad Edge Series ThinkPad Edge 11 inch NVY4LFRLenovo ThinkPad Edge Series ThinkPad Edge 13 0492Lenovo ThinkPad Edge Series ThinkPad Edge 15 0302Lenovo ThinkPad Edge Series ThinkPad Edge E130 3358-5DGLenovo ThinkPad Edge Series ThinkPad Edge E130 3358-B2GLenovo ThinkPad Edge Series ThinkPad Edge E130 3358-B8GLenovo ThinkPad Edge Series ThinkPad Edge E130 3358-BEGLenovo ThinkPad Edge Series ThinkPad Edge E135 3359-62GLenovo ThinkPad Edge Series ThinkPad Edge E135 3359-64GLenovo ThinkPad Edge Series ThinkPad Edge E145 20BC0008Lenovo ThinkPad Edge Series ThinkPad Edge E330 3354-96GLenovo ThinkPad Edge Series ThinkPad Edge E330 3354-DYGLenovo ThinkPad Edge Series ThinkPad Edge E335 3355Lenovo ThinkPad Edge Series ThinkPad Edge E335 3355-5ZGLenovo ThinkPad Edge Series ThinkPad Edge E430 SeriesLenovo ThinkPad Edge Series ThinkPad Edge E530 3259-9XGLenovo ThinkPad Edge Series ThinkPad Edge E530 3259-MEGLenovo ThinkPad Edge Series ThinkPad Edge E530 3259-MGGLenovo ThinkPad Edge Series ThinkPad Edge E530 6272-26GLenovo ThinkPad Edge Series ThinkPad Edge E530 6272-27GLenovo ThinkPad Edge Series ThinkPad Edge E530 6272-3CGLenovo ThinkPad Edge Series ThinkPad Edge E530 6272-6JGLenovo ThinkPad Edge Series ThinkPad Edge E530 6272-6KGLenovo ThinkPad Edge Series ThinkPad Edge E530c 3366-2UULenovo ThinkPad Edge Series ThinkPad Edge E530c 3366-3SGLenovo ThinkPad Edge Series ThinkPad Edge E530c 3366-3TGLenovo ThinkPad Edge Series ThinkPad Edge E530c 3366-59ULenovo ThinkPad Edge Series ThinkPad Edge E530c 3366-74GLenovo ThinkPad Edge Series ThinkPad Edge E535 3260-5VULenovo ThinkPad Edge Series ThinkPad Edge E535 3260-DTGLenovo ThinkPad Edge Series ThinkPad Edge E535 3260-E2ULenovo ThinkPad Edge Series ThinkPad Edge E535 3260-E6ULenovo ThinkPad Edge Series ThinkPad Edge E535 3260-FJULenovo ThinkPad Edge Series ThinkPad Edge E535 3260-FSGLenovo ThinkPad Edge Series ThinkPad Edge E535 3260-FUGLenovo ThinkPad Edge Series ThinkPad Edge E535 3260-FVGLenovo ThinkPad Edge Series ThinkPad Edge E545 20B2000TLenovo ThinkPad Edge Series ThinkPad Edge E545 20B2000XUSLenovo ThinkPad Edge Series ThinkPad Edge E545 20B2000YUSLenovo ThinkPad Edge Series Thinkpad Twist S203ULenovo M Series - Lenovo M490s HarbinLenovo K Series - Lenovo K46 - LenovoLenovo IdeaPad Series Ideapad U510-59-389403Lenovo B Series - Lenovo B590 Bolt IV
Original Part Number
92P1157 92P1104 92P1108 92P1158 92P1107 92P1156 92P1110 92P1159 92P1114 92P1211 41R4493 92P1155 40Y7659 92P1214 PA-1650-161 92P1153 93P5026 92P1212 92P1160 92P1111 92P1106 PA-1900-17I 92P1109 92P1112 92P1154 PA-1900-081 40Y7696 41R4322 42T4418 42T4429 42T5283 42T4425 45N0318 42T4416 42T4439 45N0180 45N0202 45N0320 45N0182 42T4421 45N0068 45N0112 40Y7666 45N0080 42T4423 45N0120 PA-1650-53I 45N0322 45N0055 45N0196 40Y7668 42T4427 45N0186 92P1103 45N0310 40Y7662 45N0304 45N0057 40Y7671 45N0302 45N0200 42T5000 40Y7664 40Y7672 45N0194 40Y7674 45N0312 45N0110 45N0122 45N0212 45N0118 45J7717 45N0208 45N0214 45N0306 45N0324 45N0192 40Y7670 40Y7665 40Y7661 40Y7667 45N0314 42T5282 40Y7673 45N0308 42T4419 42T4431 45N0210 45N0053 42T4417 45N0114 45N0184 45N0059 40Y7663 45N0316 45N0116 45N0198 40Y7669
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.