Acer 104378 Compatible Laptop Adapter 19V 3.42A/4.74A 65W/90W (Fixed U-Tip)

SKU: AC19V90U-BP-K003
Regular price 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.
  • Compatible Brands Acer
  • Model/OPN 104378
  • Output Current 3.42A/4.74A
  • Output Voltage 19V
  • Input Voltage AC100~240V / 50~60Hz
  • Power 65W/90W
  • Tip Size 5.5*1.7mm
  • Warranty 1 Year
Ships from Canada • Fast local delivery

This replacement laptop adapter for Acer 104378 is available for C$25.00Buy 1, get 1 at 50% off . 19V · 3.42A/4.74A · 65W/90W · Tip: 5.5*1.7mm.

Important Notes
  • Please make sure the DC output and tip size are compatible before placing the order.
Compatible Model
TravelMate 233XTravelMate 234LciTravelMate 420DLCTravelMate 433ELCTravelMate 4401WLMiTravelMate 4730TravelMate 4740ZGTravelMate 5110TravelMate 5320-201G16MiTravelMate 5320-2337TravelMate 541LCibTravelMate 542LCiTravelMate 543LMiTravelMate 5610-4130TravelMate 602TERTravelMate 6293-6311TravelMate 6592-6034TravelMate 6592-6589TravelMate 6592-6687TravelMate 6593TravelMate 6594e-464G32MikkTravelMate 6594G-6846TravelMate 7520-502G25MnTravelMate 7520-7A2G16MiTravelMate 7520G-730G50TravelMate 7720 SeriesTravelMate 7730 SeriesTravelMate 803 804 SeriesTravelMate 803LCiTravelMate 8215 SeriesTravelMate 8216WLHi-FR TravelMate 8472ZTravelMate 8473GTravelMate P276-MAcer Extensa Series Extensa 4630ZGAcer Extensa Series Extensa 5510Acer Extensa Series Extensa 7230EAspire 1304LCAspire 1312LCAspire 1315 SeriesAspire 1351LCiAspire 1353LMAspire 1354Aspire 1360 SeriesAspire 1362Aspire 1362WLMiAspire 1363WLCiAspire 1400LCAspire 1402LAspire 1406LCAspire 1450 SeriesAspire 1454MLiAspire 3022WLMAspire 3022WLMiAspire 3023WLMiAspire 3750GAspire 4251Aspire 4552GAspire 4553G-N832G32MNAspire 4560GAspire 4625G-P924G32MNAspire 4720ZG SeriesAspire 4738GAspire 4820TG-434G50MnAspire 4820TG-482G64Mnss05Aspire 4937 SeriesAspire 5021LCiAspire 5021LMiAspire 5024WLMAspire 5025WLMiAspire 5338 SeriesAspire 5552GAspire 5553G-5357Aspire 5553G-N354G64MnksAspire 5553G-N834G50MNAspire 5553G-N933G32MIAspire 5553G-N933G32MnAspire 5553G-N938G64MnAspire 5553G-N938G64MnksAspire 5553-N333G25M8203NAspire 5553-N533G25MNAspire 5553-P524G50M8203NAspire 5625GAspire 5625G-P824G32MNAspire 5630-6172Aspire 5630-6317Aspire 5630-6833Aspire 5630-6966Aspire 5630-BL50Aspire 5680-6082Aspire 5710GAspire 5710ZGAspire 5730ZGAspire 5736Z-453G32MnAspire 5738DZGAspire 5740DG 3DAspire 5740G-6454Aspire 5741G SeriesAspire 5741G-438G64BNAspire 5741G-5062Aspire 5750G-2678G50MnAspire 5750G-32354G32MnkkAspire 5750ZG-B964G50MnAspire 5755G-2438G75MnAspire 5755G-2678G64MnAspire 5820TG-5452G50MnssbAspire 5920-302G16MNAspire 5920-6574Aspire 5920-6691Aspire 5920-6959Aspire 5920G-601G16Aspire 6920-6441Aspire 6920-6621Aspire 6920-812G25FAspire 6930-6771Aspire 6930G-733G25MnAspire 7104WSMiAspire 7230Aspire 7520Aspire 7520-5185Aspire 7551G-5056Aspire 7551-P364G50MnAspire 7552G-P366G64MnAspire 7720-4294Aspire 7720-6398Aspire 7720-6712Aspire 7720GAspire 7720Z-1A2G16MiAspire 7730-4868Aspire 7739GAspire 7740-5691Aspire 7741G-334G32MnAspire 7741G-464G32MnAspire 7741G-464G64MnAspire 7741Z-P614G32MnAspire 7745G-438G64MNAspire 7745G-524G64BNAspire 7745G-5464G75BnksAspire 8730 SeriesAspire 8920G-6A4G32BnAspire 8930-6306Aspire 8930-6951Aspire 8930G-B48Aspire 9300-3505Aspire 9300-3699Aspire 9402WLMiAspire 9412AWSMiAspire 9420-6074Aspire 9500Aspire 9810-6057Aspire 9810-6631Aspire 9814WKMibAspire 9815WKMiAspire AS4820T-374G32MnksAspire E1-421-0428Aspire E1-470G-33212G50DnkkAspire E1-471Aspire E1-510Aspire E1-510-35204G50DnkkAspire E1-510P-2671Aspire E1-532-2616Aspire E1-532PAspire E1-572-6484Aspire E1-572-6899Aspire E1-572PAspire E1-771-6458Aspire E1-771-6496Aspire E1-771GAspire E1-772G 54208G1TMnskAspire E5-721-20GJAspire E5-721-29G5Aspire E5-752Aspire E5-771G-73K2Aspire E5-771G-73QHAspire E5-772-59NEAspire TimelineX 3830GAspire TimelineX 3830TAspire TimelineX 3830T-6417Aspire TimelineX 3830TG-2412G64nAspire TimelineX 3830TG-2414G75nbbAspire TimelineX 3830TG-6415Aspire TimelineX 4830T-6642Aspire TimelineX 4830TG-2413G75NAspire TimelineX 4830TG-2624G75MNAspire TimelineX AS4820TG-5564G75MnssAspire V3-371-756NAspire V3-532GAspire V3-571G-53216G75MassAspire V3-572-5217Aspire V3-572-75D2Aspire V3-572G-55X2Aspire V3-572P-511QAspire V3-572PG-7915Aspire V5-561P-6675Aspire V5-573G-54208G50aiiAspire VN7-571G-580SAspire VN7-571G-71J7Aspire VN7-571G-71KJAspire Series TravelMate P245-MPGAspire Series TravelMate P257-M
Original Part Number
PA-1900.04AC AP.00903.002 104376 QND1ACYZZZ0049 104378 AP.00903.001 104155 6506064R PA-1900-06 91.40F28.002 2521997 106821 2528095R ADT-PA1350 106900 ADP-90SB BBDNF 106903 PA-1900-24AR QND1ACYZZZ00D9 91.AA135.001 2527682 AP.0900A.005 ADT-YA1 2523114R Lite-On PA-1900-32 AP.09003.011 HP-OK066B13CP 2528089R PA-1650-02G1 2528253R QND1ACYZZZ0081 102458 40001966 2528089 2528295 2523114 PA-1900-03GQ AP.09001.005 LC.ADT06.001 AP.09003.009 PA-1650-01GQ 6506104 6506101R PA-1900-15 25.10091.40f28.002 AP.A0305.003 2522763R PA-AB7810 6506101 106889 2527738 6506060R 1ACYZZZTN96 PA-1900-15GR 2527738R 106212 AP.09006.004 AP.A0201.003 25.10173.002 6506104R PA-1650-02AR QND1ACYZZZ0090 25.10172.001 6500920 ADP-65HB BBCF LC.ADT06.002 6506083R 2528253R3 PA-1900-04QB 2527646 AP.A1003.003 AP.09001.013 2527741R 6506058R HP-A0653R3B LC.ADT01.008 AP.A1003.002 PA-1650-01GA AP.0650A.017 ADT01.008 PA-1900-04AC 2528295R AP.09001.004 2528179R ADP-70THA 6506058 91.48428.6A1 SLS0202C19A20LF QND1ACYZZZ00493 PA-1900-05AW 2527682R CPA09-A065N1 2528253 AP.09000.001 AP.09001.010 QND1ACYZZZ00G3 6506063 6501062 QND1ACYZZZ0022 PA-1900.04WR AP.09001.027 AP.09003.005 QND1ACYZZZ0014 LC.ADT01.007 AP.09003.021 6506060 N18664 QND1MIHZZZTA47 0335A1965 HP-A904A3 AP.09003.002 91.46W28.002 SA70-3105 105067 6500767 106213 91.47A28.004 2900728 103326 1533516
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.