Is this power adapter compatible with my Compaq 371790-001?

This adapter is designed for use with the Compaq 371790-001. To ensure proper compatibility, please verify that the output voltage (18.5V) 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 18.5V. 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 3.5A and 65W, 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 4.75mm outer diameter (OD) and 1.7mm inner diameter (ID). Both dimensions must match your original adapter to ensure a secure connection.

Compaq 371790-001 Compatible Laptop Adapter 18.5V 3.5A 65W (Fixed A-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: AC18V65A-BP-K004

C$23.00

In stock

Orders placed after 3:00 PM (PT) will be processed on the next business day.

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Compatible Model

Compaq Presario Series Presario 2208USCompaq Presario Series Presario 2807EACompaq Presario Series Presario 2810CACompaq Presario Series Presario 2812EACompaq Presario Series Presario 2818FRCompaq Presario Series Presario 2821DECompaq Presario Series Presario 2826APCompaq Presario Series Presario 2880APCompaq Presario Series Presario A930ELCompaq Presario Series Presario A935EGCompaq Presario Series Presario B1011Compaq Presario Series Presario B1202VUCompaq Presario Series Presario B1205Compaq Presario Series Presario B1215Compaq Presario Series Presario B1217Compaq Presario Series Presario B1230TUCompaq Presario Series Presario B1252Compaq Presario Series Presario B1285TUCompaq Presario Series Presario B1802TUCompaq Presario Series Presario B1818TUCompaq Presario Series Presario B1830TUCompaq Presario Series Presario B1831TUCompaq Presario Series Presario B1915Compaq Presario Series Presario B1922TUCompaq Presario Series Presario B1974Compaq Presario Series Presario B2018Compaq Presario Series Presario B2022Compaq Presario Series Presario B2818TXCompaq Presario Series Presario B3808Compaq Presario Series Presario C301Compaq Presario Series Presario C310EACompaq Presario Series Presario C503WMCompaq Presario Series Presario C518LACompaq Presario Series Presario C555TUCompaq Presario Series Presario C571Compaq Presario Series Presario C700CTOCompaq Presario Series Presario C701LACompaq Presario Series Presario C705LACompaq Presario Series Presario C715brCompaq Presario Series Presario C731EMCompaq Presario Series Presario C732TUCompaq Presario Series Presario C735etCompaq Presario Series Presario C741tuCompaq Presario Series Presario C750EMCompaq Presario Series Presario C760elCompaq Presario Series Presario C795evCompaq Presario Series Presario C795trCompaq Presario Series Presario C796tuCompaq Presario Series Presario F505eaCompaq Presario Series Presario F555laCompaq Presario Series Presario F560elCompaq Presario Series Presario F710EFCompaq Presario Series Presario F715EMCompaq Presario Series Presario F730eeCompaq Presario Series Presario F737AUCompaq Presario Series Presario F739Compaq Presario Series Presario F740efCompaq Presario Series Presario F765Compaq Presario Series Presario F780etCompaq Presario Series Presario M2020 SeriesCompaq Presario Series Presario M2228APCompaq Presario Series Presario M2230APCompaq Presario Series Presario V1054apCompaq Presario Series Presario V1060 SeriesCompaq Presario Series Presario V2001APCompaq Presario Series Presario V2004 SeriesCompaq Presario Series Presario V2010EACompaq Presario Series Presario V2017APCompaq Presario Series Presario V2019 SeriesCompaq Presario Series Presario V2032APCompaq Presario Series Presario V2047APCompaq Presario Series Presario V2140 SeriesCompaq Presario Series Presario V2344APCompaq Presario Series Presario V2508 SeriesCompaq Presario Series Presario V2552 SeriesCompaq Presario Series Presario V2615USCompaq Presario Series Presario V2621TNCompaq Presario Series Presario V3010 SeriesCompaq Presario Series Presario V3030CACompaq Presario Series Presario V3041AUCompaq Presario Series Presario V3055Compaq Presario Series Presario V3109TUCompaq Presario Series Presario V3128Compaq Presario Series Presario V3142Compaq Presario Series Presario V3172AUCompaq Presario Series Presario V3173TUCompaq Presario Series Presario V3182TUCompaq Presario Series Presario V3185TUCompaq Presario Series Presario V3195Compaq Presario Series Presario V3227tuCompaq Presario Series Presario V3237auCompaq Presario Series Presario V3249tuCompaq Presario Series Presario V3303tuCompaq Presario Series Presario V3403auCompaq Presario Series Presario V3414txCompaq Presario Series Presario V3425auCompaq Presario Series Presario V3432TUCompaq Presario Series Presario V3510tuCompaq Presario Series Presario V3611TXCompaq Presario Series Presario V3621TUCompaq Presario Series Presario V3633TUCompaq Presario Series Presario V3644TUCompaq Presario Series Presario V3703tuCompaq Presario Series Presario V3703vuCompaq Presario Series Presario V3705vuCompaq Presario Series Presario V3706txCompaq Presario Series Presario V3708tuCompaq Presario Series Presario V3732tuCompaq Presario Series Presario V3740tuCompaq Presario Series Presario V3789tuCompaq Presario Series Presario V3799tuCompaq Presario Series Presario V3854tuCompaq Presario Series Presario V4015Compaq Presario Series Presario V4104APCompaq Presario Series Presario V4308EACompaq Presario Series Presario V5101AUCompaq Presario Series Presario V5201Compaq Presario Series Presario V5205NRCompaq Presario Series Presario V5232TUCompaq Presario Series Presario V6010 SeriesCompaq Presario Series Presario V6048Compaq Presario Series Presario V6101EUCompaq Presario Series Presario V6118tuCompaq Presario Series Presario V6132tuCompaq Presario Series Presario V6147tuCompaq Presario Series Presario V6148eaCompaq Presario Series Presario V6203tuCompaq Presario Series Presario V6211auCompaq Presario Series Presario V6223EACompaq Presario Series Presario V6230brCompaq Presario Series Presario V6239euCompaq Presario Series Presario V6268eaCompaq Presario Series Presario V6305NRCompaq Presario Series Presario V6309tuCompaq Presario Series Presario V6330EACompaq Presario Series Presario V6504tuCompaq Presario Series Presario V6606auCompaq Presario Series Presario V6617tuCompaq Presario Series Presario V6701AUCompaq Presario Series Presario V6703AUCompaq Presario Series Presario V6806TUCompaq Presario Series Presario x1000Compaq Presario Series Presario X1018Compaq Presario Series Presario X1018CLCompaq Presario Series Presario X1037APCompaq Presario Series Presario X1401Compaq LTE Series LTE 5150Compaq Business Notebook Series NC4000-DL014PCompaq Business Notebook Series NC4010-DW348AVCompaq Armada Series Armada 1110TCompaq Armada Series Armada 3500Compaq Armada Series Armada 3500-310200-163Compaq Armada Series Armada 3500-310200-374Compaq Armada Series Armada 3500-310300-121Compaq Armada Series Armada 3500-310300-BG1Compaq Armada Series Armada 3500-310350-021Compaq Armada Series Armada 3500-310350-091Compaq Armada Series Armada 3500-310350-201Compaq Armada Series Armada 3500-310400-131Compaq Armada Series Armada 4110Compaq Armada Series Armada 4110DCompaq Armada Series Armada E500-127667-391Compaq Armada Series Armada E500-127668-014Compaq Armada Series Armada E500-127668-126Compaq Armada Series Armada E500-127668-164Compaq Armada Series Armada E500-127668-376Compaq Armada Series Armada E500-127671-BR6Compaq Armada Series Armada E500-127672-094Compaq Armada Series Armada E500-127672-163Compaq Armada Series Armada E500-127672-204Compaq Armada Series Armada E500-127672-BE6Compaq Armada Series Armada E500-146510-BR6Compaq Armada Series Armada E500-146511-BE6Compaq Armada Series Armada E700Compaq Armada Series Armada M700-124898-002Compaq Armada Series Armada M700-124898-022Compaq Armada Series Armada M700-124940-074Compaq Armada Series Armada M700-139116-126Compaq Armada Series Armada M700-139116-BF6Compaq Armada Series Armada M700-139117-BM6Compaq Armada Series Armada M700-139120-052Compaq Armada Series Armada M700-139120-292Compaq Armada Series Armada M700-140142-082Compaq Armada Series Armada V300-117730-056Compaq Armada Series Armada V300-117730-124Compaq Armada Series Armada V300-117730-AA4Compaq Armada Series Armada V300-117730-AA6Compaq Armada Series Armada V300-117730-BE4Compaq Armada Series Armada V300-117730-BP6Compaq Armada Series Armada V300-117730-C62Compaq Armada Series Armada V300-117730-C64Compaq Armada Series Armada V300-117731-102Compaq Armada Series Armada V300-117731-132Compaq Armada Series Armada V300-117731-204Compaq Armada Series Armada V300-117732-012Compaq Armada Series Armada V300-117732-124Compaq Armada Series Armada V300-117732-184Compaq Armada Series Armada V300-117733-004Compaq Armada Series Armada V300-117733-082Compaq Armada Series Armada V300-117734-024

Original Part Number

190621-001 209124-001 371790-001 190526-001 383494-001 147679-002 147679-001 357978-001 402018-001 PA-1651-02C 199231-001 120765-001 147671-001 B65602-001 PP2022 386315-001 338136-001 147671-002 239427-004 LPACQ3 386315-002 380467-004 285546-001 239704-001 358909-001 409843-001 285288-001 163444-001 101898-001 213514-001 91-55068 209126-001 101880-001 PP003 403810-001 239427-001 159224-001 381090-001 394278-001 380467-001 417220-001 149527-001 388929-001 380467-003 213563-001 387661-001 265602-001 179725-003 147663-001 DC395A 239427-003 374473-001 208190-001 319860-001 PA-1650-02C 239704-291 PP1006 287694-001 A265 PPP002D 371790-AD1 265602-AD1 613149-003 PPP009D DC359A#ABA 534092-001 179725-001 265602-021 371790-201 265602-AG1 403810-291 265602-AA1 265602-D61 A065R01AL-HW01 319860-035 265602-011 ADP-65HB FC HP-OK065B13 LF 371790-BB1 EG409AA 371790-081 DC359A 265602-061 265602-031 0335A1865 128556-001 DL606A 163444-291 609936-001 265602-291 DL606A#ABA HP-OK065B13 239427-002 371790-011 371790-AA1 P-0K065B13 265602-081 380467-005 534092-002 PA-1650-02H

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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