DELL 3N81G Ion Battery Precision 4-CELL 72WH 15.4V 4442MAH 5490

( Brand: Dell ), ( Manufacturer Part Number: 3N81G ), ( Model: DELL-3N81G ), ( Type: Laptops )

Review DELL 4-cell 72wh 15.4v 4442mah Li ion Battery For Precision

The Dell 3N81G is a high-performing, 4-cell Li-ion battery designed specifically for the Dell Precision 5490 workstation. This battery provides a total capacity of 72Wh and operates at a voltage of 15.4V. With a capacity of 4442mAh, it delivers a long-lasting power source for your mobile workstation, enabling you to work uninterrupted for extended periods.

The Li-ion technology used in this battery offers several advantages over traditional Nickel-Cadmium (NiCd) or Nickel-Metal Hydride (NiMH) batteries. It is lighter, more compact, and offers a longer cycle life. Moreover, it has no memory effect, meaning it can be charged at any time without the need to fully discharge it first.

The Dell 3N81G battery is designed to deliver consistent power output, ensuring your workstation performs at its best. It has undergone rigorous testing to ensure it meets Dell's high standards for reliability and durability.

When it comes to safety, the Dell 3N81G battery features several safety mechanisms, including overcharge protection, over-discharge protection, and short-circuit protection, ensuring that your workstation and battery are protected from potential damage.

The Dell 3N81G battery is easy to install and comes with a built-in smart chip that communicates with your Dell Precision 5490, providing accurate battery status information, such as charge level, temperature, and remaining run time. The battery also features a convenient LED indicator, allowing you to quickly check the battery status without having to open your workstation.

In summary, the Dell 3N81G is a high-capacity, long-lasting, and reliable Li-ion battery designed specifically for the Dell Precision 5490 workstation. It offers several advantages over traditional batteries, including lighter weight, longer cycle life, and no memory effect. With built-in safety mechanisms and easy installation, this battery is an excellent choice for powering your mobile workstation.

Buying the Dell 3N81G 4-cell 72Wh 15.4V 4442mAh Li-ion battery for a Dell Precision 5490 comes with several pros and cons. Let's examine each of them.

1. Longer Battery Life: This high-capacity battery provides longer runtime than the standard battery, making it ideal for those who require uninterrupted use on the go.

2. Cost-effective: Over time, buying an extended battery can be more cost-effective than purchasing multiple standard batteries.

3. Improved Performance: A fully charged battery can provide better system performance due to the consistent power supply.

1. Size and Weight: A high-capacity battery is larger and heavier than a standard battery, which may make the laptop less portable.

2. Cost: The price of a high-capacity battery is generally higher than that of a standard battery.

3. Compatibility: Ensure that this battery is compatible with your specific Dell Precision 5490 model before making the purchase.

In conclusion, if you frequently use your Dell Precision 5490 laptop on the go and need longer battery life, the Dell 3N81G 4-cell 72Wh 15.4V 4442mAh Li-ion battery is a worthwhile investment. Its cost-effectiveness and improved performance are additional benefits that make it a desirable choice. However, be aware of the increased size, weight, and cost associated with a high-capacity battery. If portability is a priority, you may want to consider a standard battery or an external power bank instead.

Overall, if your usage scenario requires longer battery life and you can accommodate the increased size and weight, the Dell 3N81G battery is a recommended solution.

Details:

Could have a few minor blemishes and could be missing manuals/software some accessories that are not needed for the functionality of product. Open Box 4-cell 72wh 15.4v 4442mah Li-ion Battery For Precision 5490, Product condition: It might be repackaged and has a manufacturer warranty. Product Specs. The customer must return the product to USA ship-to address listed on order, and only then will Fire Sale Deals provide a shipping label for.

Warranty, Warranty: Manufacturer warranty.

part #: 3n81g prices

• $18.99-$19.99

specifications rechargereach:

• brand: Dell
• mpn: 3n81g
• model: Dell-3n81g
• type: Laptops

payments rechargereach:

• other
• credit card: Diners-club
• wallet: Apple-pay

shipping rechargereach:

• service: Economy
• transit: 3-6 Days
• class: Economy
• cost: $0.00
• type: Fixed

offer rechargereach:

• options: Ship-to-home
• best offers: True
• quantity: 2
• sold: 0
• started: September 6, 2025
• availability: In Stock

returns rechargereach:

• time: 30 Days
• method: Money back
• paid by: Seller
• policy: Returns Accepted

seller rechargereach:

• # reviews: 936
• rating: 98.5%
• city: Colorado

general rechargereach:

• Consumer Electronics > Multipurpose Batteries Power > Rechargeable Batteries
• condition: Open box

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