High Performance Battery for Compaq Presario V3821TU

replacement Compaq Presario V3821TU battery

6 cells 5200mAhBattery for Compaq Presario V3821TU

SKUNZH51
ConditionReplacement, Brand New
Voltage10.8V
Capacity5200mAh
Number of Cells6 cells
Cell TypeLi-ion
ColorBlack
Size206.65x51.44x21.66mm (L x W x H)
Warranty1 Year
AvailabilityIn Stock

This is a high capacity battery, the bottom of this battery will extend out about 1 inch, bigger size.

12 cells 8800mAhBattery for Compaq Presario V3821TU

SKUNZH50
ConditionReplacement, Brand New
Voltage10.8V
Capacity8800mAh
Number of Cells12 cells
Cell TypeLi-ion
ColorBlack
Size206.90x58.52x42.18mm (L x W x H)
Warranty1 Year
AvailabilityIn Stock

Description

Compatibility

Shipping & Payment

Warranty & FAQ

Note : 1. 10.8V and 11.1V are compatible, they are in common use. 2. The 8800mAh(12 Cells) battery will extend out about 1 inch from the bottom of the laptop, bigger size but lasting longer.

Product Features

The perfect combination of high performance and low price - the new Compaq Presario V3821TU laptop replacement battery. A high performance battery option offered with long-lasting energy support and a superior experience for your Compaq laptop.

This high performance replacement battery for Compaq Presario V3821TU is made of lithium-ion cells and high-temperature and wear-resistant PC+ABS enclosure material, and is manufactured by reliable manufacturers such as Samsung, Panasonic, LG, and Samyang for quality and safety that are worthy of trust. It is fully compatible with your device with identical specifications (voltage, capacity, safety and compatibility) to the original battery, providing you with excellent performance and outstanding usage experience which is on par with the original battery.

Our batteries are all internationally certified (SAA, CE, UL, ROHS, ISO 9001/9002, etc.) and safety tested (QA & QC) before delivery, and each Compaq Presario V3821TU battery is also rigorously functional test for proper operation before shipment. We ensure that the battery delivered to you is a safe, reliable and high performance battery.

Each of our replacement Compaq Presario V3821TU batteries can be cycled 600-800 times to ensure long battery life. We are committed to providing you with high performance, reliable replacement batteries so that your Compaq laptops will keep running for a long time and provide you with a superior user experience.

We have more than ten years of experience in R&D and sales of Compaq notebook batteries, and our buyers have spread all over the world, with more professional service and better after-sales service, which is worthy of trust and purchase.

Product Larger Images

Compatible Battery Part Numbers

Note:

Not all the Compaq Presario V3821TU battery compatible models are listed. If you are still unsure whether it is suitable for your speaker, please click "Battery Model Inquiry" for support.

Compatible Models

Disclaimer:

All batteries sold on hplaptopbattery.co.nz are replacement parts. hplaptopbattery.co.nz doesn't affiliate with any of the original manufacturers. Any registered trademarks or model names listed above are identified as purposes of showing compatibility only.

Shipping Methods

1.After payment we will arrange the shipment within 48 hours.
2.When the shipment is confirmed, you'll receive a tracking number in your confirmation e-mail.
3.This replacement Compaq Presario V3821TU battery will be sent well packed in anti-static bag, Boxed in sponge padded box and further sealed in plastic bag.

Payment Methods

We Accept Payment Methods
PayPal	Payments by PayPal, NO PayPal account required. PayPal is safe and free for buyers.
Credit or Debit Card	VISA, MasterCard, American Express, JCB, Diners Club, Maestro & Laser Card, etc.
Note: 1. Both Paypal and HPLaptopBattery.co.nz use encrypted servers to process related payments, and your personal information will not be stored on our servers. 2. If you choose PayPal Express Checkout (instead of filling in the shipping address on our website to checkout), please select the CORRECT address when checking out.

Warranty

We offer One Year Warranty on our replacement Compaq Presario V3821TU laptop battery .
30 Day Money Back Guarantee if you are not satisfied with our replacement Compaq Presario V3821TU battery.
We guaranteed 100% compatible with original products, meet or exceed the original equipment manufacturer specifications.
We are ensure that all sold merchandises are brand new, we will check the functions of the battery before delivery.
Best quality products at the best price with best after sales service, if you have any questions or feedbacks about our replacement Compaq Presario V3821TU batteries please contact us directly, our customer service will reply you within 48 hours.

FAQs

Is the battery you provide the original Compaq Presario V3821TU battery?

We provide a brand new Compaq Presario V3821TU replacement battery instead of the original battery, but its specifications are the same as the original battery, which is fully compatible with your Compaq notebook. The performance and experience are comparable to or even beyond the original battery. Compared to the original battery, we are more cost-effective. Welcome to shopping on our website.

How about the charging speed and battery life?

The main factors affecting the charging speed of the battery are the charger power and the charging environment. Therefore, we cannot give a specific charging speed. In terms of battery life, this Compaq Presario V3821TU battery can last up to 3-6 hours for daily office hours(it depends on the usage scenario). However, the Compaq Presario V3821TU replacement battery we offer has the same specifications as the original battery, so its charging speed and endurance are close to or even beyond the original battery.

What do I need to pay attention to after receiving the new battery?

Storage: If you do not intend to use the battery immediately, please store it in a dry, cool and well-ventilated place and recharge it regularly to maintain optimal performance.
Charging: The battery is only partially charged pre-delivery, so it is recommended that you fully charge the battery before using it.
Discharge: Try to avoid complete discharge to help extend battery life and performance.

How to replace my Compaq Presario V3821TU battery?

Turn off your laptop completely: Turn your laptop off and make sure the charger is disconnected from the power source.
Locate the laptop battery compartment and open it: The laptop battery compartment is usually located on the back or bottom of the laptop and has a battery location marker attached. You might need to use a screwdriver or other tools to open the battery compartment cover. (If you buy a model with a built-in battery, a set of tools would be enclosed)
Remove the old battery: After opening the battery compartment cover, you will see the battery is fixed to the laptop. Depending on how the battery is secured, the external battery may require pressing or sliding the battery release button, or pushing the battery out directly with your fingers. The internal battery may need to be removed using a screwdriver and gently pushed.
Insert the new battery: Insert the new battery into the battery slot, making sure the battery is aligned with the connector and securely installed. Press or slide the battery so that it is securely fastened to the laptop.
Close the battery compartment cover: After ensuring that the battery is properly installed, cover and secure the battery compartment cover and use a screwdriver or other tools to tighten the screws.
Turn on the laptop: reconnect the power adapter, and start the laptop, if it turns out that the battery works properly, your battery is replaced successfully!