Is this power adapter compatible with my Toshiba PA3743U-1ACA?

This adapter is designed for use with the Toshiba PA3743U-1ACA. To ensure proper compatibility, please verify that the output voltage (19V) 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 19V. 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 2.1A and 40W, 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 5.5mm outer diameter (OD) and 2.5mm inner diameter (ID). Both dimensions must match your original adapter to ensure a secure connection.

Toshiba PA3743U-1ACA Compatible Laptop Adapter 19V 2.1A 40W (Fixed C-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: AC19V40C-BP-K009

C$23.00

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 Model

Toshiba Satellite Series Satellite T210 SeriesToshiba Satellite Series Satellite T210-112Toshiba Satellite Series Satellite T210D SeriesToshiba Satellite Series Satellite T215D SeriesToshiba Satellite Series Satellite T215D-S1140 Toshiba Satellite Series Satellite T215D-S1150RD Toshiba Satellite Series Satellite T215D-S1150WHToshiba Satellite Series Satellite T215D-S1160WHToshiba Satellite Series Satellite T215D-SP1001LToshiba Satellite Series Satellite T215D-SP1002LToshiba Satellite Series Satellite T215D-SP1002MToshiba Satellite Series Satellite T215D-SP1003LToshiba Satellite Series Satellite T215D-SP1003MToshiba Satellite Series Satellite T215D-SP1004MToshiba Satellite Series Satellite T215D-SP1010MToshiba Satellite Series Satellite T215D-SP1011LToshiba Satellite Series Satellite T215D-SP1011MToshiba Satellite Series Satellite T230 SeriesToshiba Satellite Series Satellite T230-01HToshiba Satellite Series Satellite T230-01XToshiba Satellite Series Satellite T230-01YToshiba Satellite Series Satellite T230-10JToshiba Satellite Series Satellite T230D SeriesToshiba Satellite Series Satellite T230D-00G Toshiba Satellite Series Satellite T230D-00HToshiba Satellite Series Satellite T235 SeriesToshiba Satellite Series Satellite T235D SeriesToshiba Satellite Series Satellite T235D-S1340RD Toshiba Satellite Series Satellite T235D-S1340WHToshiba Satellite Series Satellite T235D-S1345WHToshiba Satellite Series Satellite T235D-S1360Toshiba Satellite Series Satellite T235D-S1360RDToshiba Satellite Series Satellite T235D-S1360WHToshiba Satellite Series Satellite T235-S1350RD Toshiba Satellite Series Satellite T235-S1350WH Toshiba Satellite Series Satellite T235-S1352Toshiba Satellite Series Satellite T235-S1370RDToshiba Satellite Series Satellite T235-SP2003MToshiba Satellite Pro Series Satellite Pro T210 Series Toshiba Satellite Pro Series Satellite Pro T210D SeriesToshiba Satellite Pro Series Satellite Pro T230 SeriesToshiba Portege Series Portege T210-1002RToshiba Portege Series Portege T210D Series Toshiba Portege Series Portege T230 SeriesToshiba Portege Series Portege T230-1001 Toshiba Portege Series Portege T230-1013U Toshiba Portege Series Portege T230D SeriesToshiba Mini Series Mini NB200Toshiba Mini Series Mini NB200-00PToshiba Mini Series Mini NB200-10FToshiba Mini Series Mini NB200-11HToshiba Mini Series Mini NB200-SP2903AToshiba Mini Series Mini NB200-SP2903CToshiba Mini Series Mini NB200-SP2904AToshiba Mini Series Mini NB200-SP2904CToshiba Mini Series Mini NB200-SP2905AToshiba Mini Series Mini NB200-SP2905RToshiba Mini Series Mini NB200-SP2907AToshiba Mini Series Mini NB200-SP2907CToshiba Mini Series Mini NB200-SP2907RToshiba Mini Series Mini NB200-SP2908AToshiba Mini Series Mini NB200-SP2908CToshiba Mini Series Mini NB200-SP2909AToshiba Mini Series Mini NB200-SP2909RToshiba Mini Series Mini NB200-SP2910AToshiba Mini Series Mini NB200-SP2911CToshiba Mini Series Mini NB200-SP2912AToshiba Mini Series Mini NB200-SP2912CToshiba Mini Series Mini NB201Toshiba Mini Series Mini NB205Toshiba Mini Series Mini NB205-N210Toshiba Mini Series Mini NB205-N211Toshiba Mini Series Mini NB205-N310/BNToshiba Mini Series Mini NB205-N310/BN-GToshiba Mini Series Mini NB205-N310BN-GToshiba Mini Series Mini NB205-N311/WToshiba Mini Series Mini NB205-N312/BLToshiba Mini Series Mini NB205-N313/PToshiba Mini Series Mini NB205-N323BNToshiba Mini Series Mini NB205-N324BLToshiba Mini Series Mini NB205-N324WHToshiba Mini Series Mini NB205-N325Toshiba Mini Series Mini NB205-N325BLToshiba Mini Series Mini NB205-N325PKToshiba Mini Series Mini NB205-N325WHToshiba Mini Series Mini NB205-N330BLToshiba Mini Series Mini NB205-N330BNToshiba Mini Series Mini NB205-N330PKToshiba Mini Series Mini NB205-N330WHToshiba Mini Series Mini NB205-SP2920AToshiba Mini Series Mini NB205-SP2920RToshiba Mini Series Mini NB205-SP2921CToshiba Mini Series Mini NB205-SP2921RToshiba Mini Series Mini NB205-SP2922AToshiba Mini Series Mini NB205-SP2922CToshiba Mini Series Mini NB205-SP2923AToshiba Mini Series Mini NB205-SP2923CToshiba Mini Series Mini NB205-SP2923RToshiba Mini Series Mini NB205-SP2924AToshiba Mini Series Mini NB205-SP2924RToshiba Mini Series Mini NB255-N246Toshiba Mini Series Mini NB255-N250Toshiba Mini Series Mini NB255-SP1001LToshiba Mini Series Mini NB255-SP1001MToshiba Mini Series Mini NB255-SP1002LToshiba Mini Series Mini NB255-SP1002MToshiba Mini Series Mini NB255-SP1003LToshiba Mini Series Mini NB255-SP1003MToshiba Mini Series Mini NB300 Toshiba Mini Series Mini NB300 SeriesToshiba Mini Series Mini NB300-008Toshiba Mini Series Mini NB300-00RToshiba Mini Series Mini NB300-108 Toshiba Mini Series Mini NB300-10MToshiba Mini Series Mini NB300-10N Toshiba Mini Series Mini NB301 Series Toshiba Mini Series Mini NB302 SeriesToshiba Mini Series Mini NB303 SeriesToshiba Mini Series Mini NB304 SeriesToshiba Mini Series Mini NB305Toshiba Mini Series Mini NB305 Series Toshiba Mini Series Mini NB305-00FToshiba Mini Series Mini NB305-00TToshiba Mini Series Mini NB305-01EToshiba Mini Series Mini NB305-02FToshiba Mini Series Mini NB305-02KToshiba Mini Series Mini NB305-02PToshiba Mini Series Mini NB305-033Toshiba Mini Series Mini NB305-105Toshiba Mini Series Mini NB305-106Toshiba Mini Series Mini NB305-108Toshiba Mini Series Mini NB305-10FToshiba Mini Series Mini NB305-10NToshiba Mini Series Mini NB305-N310GToshiba Mini Series Mini NB305-N410BNToshiba Mini Series Mini NB305-N410WHToshiba Mini Series Mini NB305-N411BNToshiba Mini Series Mini NB305-N413BNToshiba Mini Series Mini NB305-N440BLToshiba Mini Series Mini NB305-N440BNToshiba Mini Series Mini NB305-N440RDToshiba Mini Series Mini NB305-N440WHToshiba Mini Series Mini NB305-N442BNToshiba Mini Series Mini NB305-N442WHToshiba Mini Series Mini NB305-N450BNToshiba Mini Series Mini NB305-NB310GToshiba Mini Series Mini NB305-SP1051LToshiba Mini Series Mini NB305-SP1051MToshiba Mini Series Mini NB305-SP1052MToshiba Mini Series Mini NB305-SP1053MToshiba Mini Series Mini NB305-SP1054LToshiba Mini Series Mini NB305-SP1054MToshiba Mini Series Mini NB305-SP2001MToshiba Mini Series Mini NB305-SP2002LToshiba Mini Series Mini NB305-SP2002MToshiba Mini Series Mini NB500Toshiba Mini Series Mini NB500 SeriesToshiba Mini Series Mini NB500-00DToshiba Mini Series Mini NB500-108Toshiba Mini Series Mini NB500-10FToshiba Mini Series Mini NB500-10HToshiba Mini Series Mini NB500-10LToshiba Mini Series Mini NB500-10MToshiba Mini Series Mini NB500-10VToshiba Mini Series Mini NB505 SeriesToshiba Mini Series Mini NB505-N508BLToshiba Mini Series Mini NB505-N508BNToshiba Mini Series Mini NB505-N508GNToshiba Mini Series Mini NB505-N508ORToshiba Mini Series Mini NB505-N508TQToshiba Mini Series Mini NB505-SP0110CToshiba Mini Series Mini NB505-SP0110LToshiba Mini Series Mini NB505-SP0111BLLToshiba Mini Series Mini NB505-SP0111GNLToshiba Mini Series Mini NB505-SP0111LToshiba Mini Series Mini NB505-SP0111ORLToshiba Mini Series Mini NB505-SP0160Toshiba Mini Series Mini NB505-SP0163Toshiba Mini Series Mini NB505-SP0164Toshiba Mini Series Mini NB525Toshiba Mini Series Mini NB525-00HToshiba Mini Series Mini NB550D SeriesToshiba Mini Series Mini NB550D/00DToshiba Mini Series Mini NB550D/00KToshiba Mini Series Mini NB550D-109Toshiba Mini Series Mini NB550D-10GToshiba Dynabook Series DynaBook MX/34MRDToshiba Dynabook Series DynaBook MX/34MWHToshiba Dynabook Series DynaBook MX/36 SeriesToshiba Dynabook Series DynaBook MX/36MBLToshiba Dynabook Series Dynabook N300 SeriesToshiba Dynabook Series Dynabook N300/02ADToshiba Dynabook Series Dynabook N300/02AGToshiba Dynabook Series Dynabook N510/04BBToshiba Dynabook Series Dynabook N510/04BWToshiba Dynabook Series Dynabook UK/24MBLToshiba Dynabook Series Dynabook UK/24MBRToshiba Dynabook Series Dynabook UK/24MBUToshiba Dynabook Series Dynabook Ux/23lblToshiba Dynabook Series dynabook ux/24lbr

Original Part Number

ADP-40NH B ADP-40MH BD 0225A2040 31036035 57Y6366 31037975 31036033 41R4447 41R4455 55Y9362 31036034 888010185 31036046 45K2205 57Y6277 888010187 45K2213 31038046 57Y6367 55Y9367 57Y6375 41R4450 31037974 45K1746 31036030 31037980 57Y6278 57Y6371 41R4515 888010189 31036045 57Y6373 31037967 41R4452 31038054 45N0098 31038057 41R4456 41R4446 41R4441 888009768 888010183 31038048 45J7715 55Y9378 55Y9375 41R4326 55Y9369 57Y6349 31038047 41R4445 41R4338 55Y9374 41R4327 55Y9368 45K1744 45J7714 888010145 31036038 45K2207 45K2210 45J7713 55Y9365 888009767 31038055 55Y9376 57Y6364 41R4332 41R4449 57Y6365 31038049 888010144 55Y9366 45K2216 31036039 57Y6377 31036036 45K2200 31036044 42T4455 42T4449 57Y6350 31036047 41R4451 45K1745 41R4336 41R4442 45K2204 45K2214 55Y9276 57Y6351 888010143 55Y9377 45K2215 888010142 55Y9361 55Y9371 55Y9370 45K2206 45K2209 31038056 45K2201 45J7708 31036028 31037964 45N0097 31038058 0225C2040 PA-1400-12 LN-A0403A3C PA3743U-1ACA

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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