Longest-lasting mobile tech products: Gear Battery Life Champs

Smartphone, tablet PC, notebook can have a gorgeous screen, stunning design and powerful performance, but when it runs out of battery power, it will be the ugliest gadget. AussieBatt battery experts puts every mobile tech products a rigorous endurance test where we turn the brightness to a usable 40 percent, connect it to the Internet via Wi-Fi or 4G and make it surf the Web until it dies. Today we list the longest-lasting mobile tech gadgets available in market.

1. Lenovo ThinkPad X240

Whether you’re a business user creating a detailed quarterly report or a college student spending all night at the library writing a term paper, you want to focus on your work, not your remaining laptop battery percentage.

The 12.5-inch ThinkPad X240 lasts an amazing 20 hours and 28 minutes on a charge with its extended battery, long enough to pull an all-nighter or work on the entire flight from New York to Taipei. Add in a bright IPS touch screen, a powerful Haswell processor and a wide array of ports and you have a portable productivity powerhouse.

2. ASUS Transformer Book T100

For a starting price of just $349, ASUS’ Transformer Book T100 provides a 10.1-inch Windows 8.1 tablet and a keyboard dock that turns it into laptop.

With Intel’s Atom Bay Trail processor in the inside, the T100 provides impressive performance that’s good enough for light gaming or using the free copy of Office 2013 Home and Student it comes with and long Asus a32-k52 laptop battery life.

3. iPad Air

The lightest tablet with a big screen, 9.7-inch iPad Air weighs 0.4 pounds less than its predecessor while offering faster performance and the widest app ecosystem around. Despite its svelte dimensions, the Air lasts an impressive 11 hours and 51 minutes on a charge, more than enough time to make it through the day.

4. Dell Latitude 10

Dell’s 10-inch Windows 8 business laptop has one of the brightest displays in the market, a luxurious soft-touch design and the ability to run all of your desk apps. With its default Dell Latitude d620 extended life battery, the Latitude 10 lasted a pedestrian 7 hours and 16 minutes on our test, but when we added an optional 4-cell battery, that time jumped to 17 hours and 40 minutes.

5. Lenovo ThinkPad T440s

With a gorgeous 1080p touch screen, speedy Intel 4th Generation Core Series processor and the best keyboard available on any laptop, the 4.2-pound ThinkPad T440s is the ultimate 14-inch mobile workstation. This powerful portable is more than just a joy to use, as it lasts 14 hours and 36 minutes with its extended battery. Thanks to a second, internal battery that drains last, you can swap batteries for even more endurance, without powering the laptop down.

6. Mugen Power HLI-9500XL Battery for Galaxy S4

With Samsung’s Galaxy S4 default 2,600 mAh battery, the Galaxy S4 lasted just 6 hours and 41 minutes on T-Mobile and even less on Sprint (6:05), AT&T (5:54) and Verizon (5:25). Fortunately, you can swap Samsung’s battery for Mugen Power’s 5,500 mAh HLI-9500XL extra capacity battery.

Yes, inserting this $89 battery adds 2 ounces and more than doubles the Galaxy S4’s thickness, going to from 0.25 to 0.65 inches. But it also nearly doubles the battery life, bringing the AT&T Galaxy S4’s endurance up to 11 hours and 7 minutes. We’ll take a thicker phone over a dead phone any day.

7. Sony VAIO Pro 13

At 2.4 pounds, the Sony VAIO Pro 13 is one of the lightest laptops you can buy and boasts a stunning full HD touch screen, a blazing fast SSD and solid sound. With its regular laptop battery, VAIO Pro 13 lasts a solid 7 hours and 20 minutes, but when you attach a $119 sheet battery to the bottom, that time jumps to a full 14 hours and 38 minutes.