Key facts

Capacity

4400 mAh

Voltage

14.4 V

Chemistry

Lithium-Ion

Guarantee

2 years

By buying here you buy the quality and get a 6 months warranty on our products.
Chinese sites often offer only 3 months warranty.

With this new replacement Battery find the performance of your device as in the early days.
The Battery hp 633734 421 is new and composed of quality cells.
It is 100% compatible with your original battery.
Long Life - Lithium Technology without Memory Effect. Protection against: Short circuits, Overheating, Overvoltage. Security and Reliability.
mAh capacity can be different. Plus it will mAh and more its autonomy will be high.

Technical specifications

Identification

Reference: #BLD-72609
Brand: HP

Electrical characteristics

Chemistry: Lithium-Ion
Capacity: 4400 mAh
Voltage: 14.4 V

Dimensions and appearance

Dimension: 268.36*50.25*22.5 mm

Standards and safety

No memory effect
Li-ion batteries have a long lifespan
This product is assembled in compliance with European Union standards.
It meets the requirements of Directive 2011/65/EU (RoHS) as well as the CE marking requirement.
ChemG and ReachG comply with all prohibited substances
UN38.3 Safety Tests
Aircraft certified IATA 2.3.5.9
ADR Quality Assurance Program 2.2.9.1.7
Packaging and packing: cardboard

Compatibility

Compatible models

2 models

ProBook 4730s
ProBook 4740s

Customer reviews

Product review 4,9/5

★★★★★

10 reviews

marjo 28 Mai 2023

★★★★★

Satisfied with the battery and the delivery

Review translated from French

Yann 04 Mai 2021

★★★★★

No issues. Battery charged to 80% upon delivery.

Review translated from French

magalie 25 Novembre 2020

★★★★★

Very satisfied with this battery

Review translated from French

raymond 29 Novembre 2019

★★★★★

Fast delivery, as requested, charging OK. It remains to be seen how it will perform over time.

Review translated from French

Sonia 09 Octobre 2018

★★★★★

I've ordered from this site several times.
It's fast, and the prices are great.
I highly recommend it.

Review translated from French

Eve 31 Août 2018

★★★★★

The battery is perfect and works very well with the laptop it was purchased for.
Thank you for the great price.

Review translated from French

DIDIER March 20, 2026

★★★★★

Just on the outside of the battery compartment, the plastic doesn't seal properly with the underside of the computer compared to the original HP. This creates a small gap where dirt can get in. Otherwise, there's nothing else to report at the moment.

Review translated from French

Alex 12 Avril 2017

★★★★★

Very fast website. Well packaged, everything is OK.

Review translated from French

sandrine 27 Janvier 2017

★★★★★

It matches what I ordered.

Review translated from French

Yo 18 Décembre 2016

★★★★★

Alright

Review translated from French

Customer reviews

They trusted us

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Delivery, returns and warranty

Delivery

Colissimo, Chronopost or relay point, with order tracking.

Returns

30 days to change your mind.

2-year warranty

Our customer service team in France is there to assist you if you have any problems.

Frequently Asked Questions

How can I check if this product is compatible with my device?

Compare the part number on your current part with the models and part numbers listed on this page. If you are unsure, our customer service team will verify compatibility before you order.

Can the capacity be different from that of my original battery?

Yes. The voltage (V) must be the same as that of your original battery, but the capacity (mAh) can be different: the higher it is, the longer the battery life.

What is the duration of the warranty?

This product comes with a 2-year warranty.

Can I return the product?

Yes, you have 30 days to change your mind.

What are the delivery methods?

We deliver via Colissimo, Chronopost or to a collection point.

What payment methods do you accept?

Credit card, bank transfer, Apple Pay, Google Pay, Amazon Pay, PayPal, check or money order.

Any questions before ordering?

Our customer service team checks compatibility with your device.

+33 4 84 83 08 04