What is the specification for N4020 laptop battery?

For N4020 laptop battery , what is the replacement for?

Press "Ctrl + F" to find your battery code(P/N)

For N4020 laptop battery, which Machine Models fit for?

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If can't find the model you need, kindly contact us (Trademanager: cn1518998561ynmq / Skype:joy1588)

What is the N4020 laptop battery looks like?

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Shenzhen Yourparts Technology is a high-tech enterprise which is engaged in researching, manufacturing and marketing laptop/notebook batteries. Our rechargeable Li-ion batteries include brand new original laptop batteries and 100% compatible OEM replacement laptop batteries of all brand laptops, such as Acer, Apple, Asus, HP, DELL, Fujitsu, Gateway, Uniwilu, Benq, IBM, Lenovo, Clevo, Nec, Sony, Samsung, Toshiba, and so on. Our products have been exported to clients from all over the world with high quality and competitive prices.

As a powerful laptop battery wholesale merchant, we have professional R&D, sales and service teams and high-class manufacturing bases and testing equipment. All key members of Yourparts Technology originated from professional laptop battery pack manufacturing plants, with years of working experience in this specific industrial circle. Our efficient and capable teams work together to provide high-quality products and solicitous services for our customers. Our strict quality control system has passed ISO9001:2008 certification. Focusing on technology innovation, product research, production management and quality control, we have established a scientific and complete company management system.

Yourparts Technology keeps paying attention to the end consumer market and following the requirements of end users. Since our establishment in 2009, Yourparts Techology has been investing 30 percent of our sales value in innovation and product research annually. We have also built an advanced R&D center and laboratories. All these investments make us easier to produce high-quality and cost-effective products to meet the market requirements.

Can I use Paypal?

For sample order like 1-2pcs, we can accept Paypal, but for the next orders in
the future, we only accept Western Union and T/T.

What's the difference between OEM and original laptop battery?

A: original laptop batteries are produced by original factory with original
Grade A cell and materials, and replacement laptop batteries are produced
by our own factory with chinese brand Grade A cell and materials.

B: original laptop batteries have brand logo on the label, and the
replacement laptop batteries label is neutral without logo.

C: the cost of original laptop batteries is higher than replacement laptop batteries.

D: the life time of original laptop batteries is much longer than replacement
laptop batteries.

What's your warranty policy ?

All our products are 12months warranty.
If the man-made damage is found during the guarantee time, we can repair
for you and charge the maintain costs generated by this.
If the batteries/adapters have any problems under normal working condition,
we will repair and replace good ones to you. You will only pay the shipping
cost to return the defective goods to us and we will take charge the cost to
send new ones to you.

Any question, welcome to contact with us anytime, YourParts Team is always here support you.

Excellent customer service begin here :

Key Account Executive: Mr.Joy

E-mail: Joy1588(at)

Tel: 86-755-82818099

Fax: 86-755-83320196 

Mob. / Whats'app: +86-159-4950-8552

Skype: joy1588

Trademanaer: cn1518998561ynmq