Welcome to a Biomedical Battery specialist of the DELL Laptop Battery
Dell's XPS 15 is one of our favorite laptops, thanks to its luxurious carbon-fiber-and-aluminum chassis, its colorful InfinityEdge display and its powerful performance. But what if you want the benefits of Dell's best consumer laptops, but need the power of a mobile workstation for professional 3D modeling, CAD or other intense tasks?
Enter the Dell Precision 5520 (starting at $1,399, tested at $2,659) with battey such as DELL 62VNH Battery, DELL 89JW7 Battery, DELL 9HRXJ Battery, DELL F7HVR Battery, DELL 451-BBEN Battery, DELL 451-BBEO Battery, DELL 451-BBJY Battery, DELL 451-BBLJ Battery, DELL G4YJM Battery, DELL T2T3J Battery, DELL Y1FGD Battery, DELL Inspiron 7537 Battery. It has the same chassis, screen and keyboard as the XPS 15, but packs the performance that a professional animator or engineer might need, including an optional 7th Generation Intel Xeon processor and Nvidia Quadro graphics. Add in excellent battery life, and the Dell Precision 5520 is the 15-inch workstation to beat.
The Precision 5520 has the same exact design as the company's gorgeous XPS 15 consumer laptop. Under its machined aluminum lid sits a luxurious carbon-fiber body, complete with a patterned, soft-touch deck that feels great against your wrists as you type. A nearly bezel-free InfinityEdge display completes this premium look and feel.
Weighing 4.4 pounds and measuring 0.7 inches thick, the Dell Precision 5520 is lighter than the HP ZBook Studio G3 (4.6 pounds, 0.7 inches) and thinner than the Lenovo ThinkPad P50 (5.8 pounds, 1.2 inches). The nearly identical XPS 15 weighs 4.6 pounds and is the same thickness.
Dell placed the Precision's Thunderbolt 3 port, headphone jack, HDMI port and first USB 3.0 port on the left side of the notebook. The laptop's SD memory reader, second USB 3.0 port and security lock slot are on its right.
The Precision 5520 configuration I tested is a multitasker's dream machine, featuring a blazing-fast 3.0-GHz Intel Xeon E3-1505M v6 CPU and 32GB of RAM. I didn't notice any latency when I split my screen between a streaming 1080p YouTube video and 15 Chrome tabs (including TweetDeck, Slack and Google Docs). It retained its speed and responsiveness when I added a Windows Defender full system scan, though its fans got a bit loud.
The Precision 5520's Intel Xeon E3 v6 processor is designed to provide desktop workstation performance in a laptop. The speedy CPU enabled Dell's laptop to earn a fantastic score of 15,437 on the Geekbench 3, which eclipses the scores from the v5 Xeon E3-1505M-powered ZBook Studio G3 (14,276), the ThinkPad P50 (13,378) and the average for mainstream notebooks (8,351).
You won't need to take along the Precision 5520's power cable for every single excursion. The workstation lasted an epic 11 hours and 57 minutes on the Laptop Mag Battery Test (continuous web browsing over Wi-Fi).
It easily beat the ZBook Studio G3 (5:08), the ThinkPad P50 (8:25) and the mainstream average (6:54). The Dell XPS 15, which we tested with a more power-hungry 4K display, lasted for 8 hours and 23 minutes.
The entry-level, $1,399 Precision 5520 includes a 2.8-GHz Core i5-7440 CPU, 8GB of RAM, Intel HD Graphics, a 1920 x 1080-pixel display, a 500GB, 7,200-rpm hard drive and a 3-cell (56Wh) battery.
Our test unit costs $2,659 and features a 3.0-GHz Intel Core Xeon E3-1505M v6 processor, an Nvidia Quadro M1200 GPU with 4GB of memory, 32GB of RAM, a M.2 PCIe 512GB SSD and a 6-cell (97 Wh) battery. It costs $299 to upgrade to a QHD 3840 x 2160-pixel touch screen.
Both beauty and the beast, the Dell Precision 5520 packs a vivid display and super-powerful processor into a slim and sexy chassis. Epic battery life is the cherry on top of this tasty cake. The only real knock against the notebook is the placement of its webcam, which leads to Skype calls where you're making people look at your knuckles and up your nose.
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