Is this power adapter compatible with my HP 416421-021?

This adapter is designed for use with the HP 416421-021. To ensure proper compatibility, please verify that the output voltage (18.5V/19.5V) 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/19.5V. 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 3.62A/4.74A and 65W/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 7.4mm outer diameter (OD) and 5.0mm inner diameter (ID). Both dimensions must match your original adapter to ensure a secure connection.

HP 416421-021 Compatible Laptop Adapter 18.5V/19.5V 3.62A/4.74A 65W/90W (Fixed K3-Tip)

HP 416421-021 Compatible Laptop Adapter 18.5V/19.5V 3.62A/4.74A 65W/90W (Fixed K3-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: AC19V90K3-BP-K010

C$27.50

In stock

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

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Compatible Model

HP ProBook Series ProBook 4421sHP ProBook Series ProBook 6360t M (QB029AA)HP ProBook Series ProBook 6460b (SN187UC)HP ProBook Series ProBook 6470b (ENERGY STAR) (C8K12PA)HP ProBook Series ProBook 6475b (C9J20LP)HP ProBook Series ProBook 6560b (A6V16EC)HP Pavilion Series Pavilion dm1-3130sjHP Pavilion Series PAVILION DM1-4000stHP Pavilion Series Pavilion dm4-1030txHP Pavilion Series Pavilion dm4-1034txHP Pavilion Series Pavilion dm4-1065dxHP Pavilion Series Pavilion dm4-1100erHP Pavilion Series Pavilion dm4-3180laHP Pavilion Series Pavilion dm4tHP Pavilion Series Pavilion DV3-2226TXHP Pavilion Series Pavilion DV3-2238TXHP Pavilion Series Pavilion DV3-2315TXHP Pavilion Series Pavilion dv3-4300stHP Pavilion Series Pavilion dv3-4326srHP Pavilion Series Pavilion DV3611erHP Pavilion Series Pavilion DV3632tx Notebook PCHP Pavilion Series Pavilion DV3650ekHP Pavilion Series Pavilion DV3TSHP Pavilion Series Pavilion dv4-1210tu HP Pavilion Series Pavilion dv4-1228caHP Pavilion Series Pavilion dv4-2045dxHP Pavilion Series Pavilion DV5-1003HP Pavilion Series Pavilion DV5-1004NRHP Pavilion Series Pavilion dv5-1017elHP Pavilion Series Pavilion DV5-1044CAHP Pavilion Series Pavilion dv5-1120ejHP Pavilion Series Pavilion dv5-1134caHP Pavilion Series Pavilion dv5-1140ecHP Pavilion Series Pavilion dv5-1140ehHP Pavilion Series Pavilion dv5-1150eoHP Pavilion Series Pavilion dv5-1168erHP Pavilion Series Pavilion dv5-1183clHP Pavilion Series Pavilion dv5-1205auHP Pavilion Series Pavilion dv5-1270eoHP Pavilion Series Pavilion dv5-2045laHP Pavilion Series Pavilion dv6-1120evHP Pavilion Series Pavilion dv6-1200 SeriesHP Pavilion Series Pavilion dv6-1206auHP Pavilion Series Pavilion dv6-1280esHP Pavilion Series Pavilion dv6-1308slHP Pavilion Series Pavilion dv6-1330ebHP Pavilion Series Pavilion dv6-1361sbHP Pavilion Series Pavilion dv6-2007sfHP Pavilion Series Pavilion dv6-2009txHP Pavilion Series Pavilion dv6-2110efHP Pavilion Series Pavilion dv6-2129txHP Pavilion Series Pavilion dv6-2140epHP Pavilion Series Pavilion dv6-2145etHP Pavilion Series Pavilion dv6-2160erHP Pavilion Series Pavilion dv6-3002axHP Pavilion Series Pavilion dv6-3014slHP Pavilion Series Pavilion dv6-3030emHP Pavilion Series Pavilion dv6-3050skHP Pavilion Series Pavilion dv6-3075ssHP Pavilion Series Pavilion dv6-3100emHP Pavilion Series Pavilion dv6-3105eiHP Pavilion Series Pavilion dv6-3108eeHP Pavilion Series Pavilion dv6-3121szHP Pavilion Series Pavilion dv6-3121txHP Pavilion Series Pavilion dv6-3125ewHP Pavilion Series Pavilion dv6-3138edHP Pavilion Series Pavilion dv6-3151eoHP Pavilion Series Pavilion dv6-3170srHP Pavilion Series Pavilion dv6-3332erHP Pavilion Series Pavilion dv6-6006elHP Pavilion Series Pavilion dv6-6040sfHP Pavilion Series Pavilion dv6-6095esHP Pavilion Series Pavilion dv6-6097nrHP Pavilion Series Pavilion dv6-6115egHP Pavilion Series Pavilion dv6-6153erHP Pavilion Series Pavilion dv6-6b11txHP Pavilion Series Pavilion dv6-6b70edHP Pavilion Series Pavilion dv6-7214nrHP Pavilion Series Pavilion dv7-1040eoHP Pavilion Series Pavilion dv7-1155ezHP Pavilion Series Pavilion dv7-1210txHP Pavilion Series Pavilion dv7-2022txHP Pavilion Series Pavilion dv7-2033egHP Pavilion Series Pavilion dv7-3000 SeriesHP Pavilion Series Pavilion dv7-3145erHP Pavilion Series Pavilion dv7-3198eoHP Pavilion Series Pavilion dv7-4050eoHP Pavilion Series Pavilion dv7-4103txHP Pavilion Series Pavilion dv7-4105sgHP Pavilion Series Pavilion dv7-4158sgHP Pavilion Series Pavilion dv7-4280usHP Pavilion Series Pavilion dv7-4350ecHP Pavilion Series Pavilion dv7-6002emHP Pavilion Series Pavilion dv7-6020evHP Pavilion Series Pavilion dv7-6036eoHP Pavilion Series Pavilion dv7-6114txHP Pavilion Series Pavilion dv7-6171efHP Pavilion Series Pavilion dv7-6198slHP Pavilion Series Pavilion dv7-6b01edHP Pavilion Series Pavilion dv7-6b57eaHP Pavilion Series Pavilion dv7-6b99sfHP Pavilion Series Pavilion dv7-7000erHP Pavilion Series Pavilion g4-1063laHP Pavilion Series Pavilion g4-1103axHP Pavilion Series Pavilion g4-1311auHP Pavilion Series Pavilion g4-1365laHP Pavilion Series Pavilion g4-2125txHP Pavilion Series Pavilion g4-2225txHP Pavilion Series Pavilion g4-2268laHP Pavilion Series Pavilion g6-1001stHP Pavilion Series Pavilion g6-1004evHP Pavilion Series Pavilion g6-1005ex HP Pavilion Series Pavilion g6-1008eqHP Pavilion Series Pavilion g6-1026se HP Pavilion Series Pavilion g6-1048sjHP Pavilion Series Pavilion g6-1070edHP Pavilion Series Pavilion g6-1105sgHP Pavilion Series Pavilion g6-1120shHP Pavilion Series Pavilion g6-1141sxHP Pavilion Series Pavilion g6-1211ehHP Pavilion Series Pavilion g6-1220sdHP Pavilion Series Pavilion g6-1222ehHP Pavilion Series Pavilion g6-1226soHP Pavilion Series Pavilion g6-1232slHP Pavilion Series Pavilion g6-1239saHP Pavilion Series Pavilion g6-1251erHP Pavilion Series Pavilion g6-1260eeHP Pavilion Series Pavilion g6-1301evHP Pavilion Series Pavilion g6-1305tuHP Pavilion Series Pavilion g6-1314txHP Pavilion Series Pavilion g6-1323tuHP Pavilion 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Series Pavilion g7-1110sbHP Pavilion Series Pavilion g7-1110swHP Pavilion Series Pavilion g7-1143sfHP Pavilion Series Pavilion g7-1218soHP Pavilion Series Pavilion g7-1251erHP Pavilion Series Pavilion g7-2020sgHP Pavilion Series Pavilion g7-2100sgHP Pavilion Series Pavilion g7-2351soHP Pavilion Series Pavilion g7-2356sfHP Pavilion Series Pavilion m6-1011txHP Pavilion Series Pavilion m6-1032erHP Pavilion Series Pavilion m6-1061srHP HDX Series HDX 16-1111TXHP G Series G42-328CAHP G Series G42-363TXHP G Series G60-428CAHP G Series G62-348CAHP G Series G62-452TUHP G Series G62-454SFHP G Series G62-a05SBHP G Series G62-a10ETHP G Series G62-a13EOHP G Series G62-a24SOHP G Series G62-a43SEHP G Series G62-b05EOHP G Series G62-b90SPHP G Series G71-100 CTOHP G Series G72-200 SeriesHP G Series G72-b10SWHP G Series G72-b15EVHP G Series G72-b20SOHP G Series G72-b60HP ENVY Series Envy DV6-7245HP ENVY Series Envy dv7-7255srHP ENVY Series Envy dv7-7264erHP ENVY Series Envy dv7-7335eaHP ENVY Series Envy m6-1101sgHP ENVY Series Envy m6-1101txHP EliteBook Series EliteBook 840 G1-J4Q91USHP EliteBook Series EliteBook 8460p (A6V50EC)HP EliteBook Series EliteBook 8460p (SM811UC)HP EliteBook Series EliteBook 850 G2-T7W70EP

Original Part Number

391172-001 PPP14L-SA VF685AA 409515-001 416421-021 463553-001 HP-AP091F13LF SE 453198-001 384019-002 608428-003 463958-001 HP-AP091F13P SELF 613152-001 EP341AV 397823-001 NW199AA PA1900-32HN 613150-001 HP-OK065B13 LF SE 384021-001 PPP009L ED494AAR ED495UT 463554-002 519329-003 416421-002 419107-001 384020-001 PPP014S-S 463552-002 463957-001 384019-003 AD9043-021G2 PA-1650-2HC PPP014L-SA PA1650-02HC KG298AA#ABA 577051-001 PPP012X-S 574063-001 463553-004 HP-AP091F13 LF SE 463553-002 HP-OK065B133SELF 463552-004 384019-001 463554-003 PPP012HS 416421-001 609939-001 418872-001 408488-001 PPP014X-S 463554-001 KG298AA PPP014L PPP009X HSTNN-LA15 391173-001 ADP-90HB 613161-001 519329-002 410321-001 PPP009X-X 409992-001 608425-004 693711-001 463552-003 609948-001 384021-002 418873-001 403900-001 412786-001 HP-AP091F13 397824-001 PA-1900-08H2 535593-001 ED494AA#ABA HP-AP091F13P EP341AV#ABA 384020-003 519330-001 PPP012L-E 463553-003 463554-004 463956-001 PPP009L-E 418875-001 677774-004 620656-001 463955-001 384020-002 PPP014H-S N18152 PA-1900-32HE 384021-003 PPP009A EG410AA ED495ET 463552-001 ED495AA#ABA 457685-001 609940-001 PA-1900-08HN PPP012S-S PA-1900-18HN PPP009H 609947-001 324815-003 608425-002 VF685AA#ABA PPP014L-S 613153-001 519329-001 PA-1900-18H2 ED494AA 577170-001 391173-001 - HP

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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