The Jackery Giant is a powerful, dual-port charger with the bonus of a built-in LED flashlight. It's a good choice for occasional users because it can keep a charge for up to six months. The Giant isn't pocket-sized, however, and although it isn't as lightweight as many competitors, it weighs under a pound.
Two USB ports and a flashlight to boot. The Jackery Giant comes in a flashy neon orange or more traditional silver color. It weighs 10.4 ounces and is about the size of a smartphone but wider; the size is about on par with other high-capacity batteries. (The Giant has a 10,400 mAh capacity battery.) There are two USB ports (2.1 amps and 1 amp), a micro USB for charging the device and two LED flashlights. The battery's charge status is indicated with three blue LED lights, which can be seen by turning on the power button. Pressing the button twice activates a flashlight that can last for 700 hours. The Jackery Giant also includes multiple protective layers for the battery, ensuring it won't overheat.
Works well even with occasional use. The Jackery Giant is sizable for a reason: it's a powerhouse of a battery charger. In TechRadar.com's test, the Giant performed well by powering up an S4 and iPad4 simultaneously, and then charging an iPhone 5. In another test, the 2.1 amp output performed well on an iPad mini and iPad, charging them in just over two hours. Jackery puts the battery life at 500 or more charges, and the Giant comes with an 18-month warranty. Like many chargers with this capacity, the Jackery Giant takes about 10 hours to recharge. (Users recommend charging it overnight to ensure a full battery.) One nice feature is that the Jackery Giant can be used sporadically -- it can hold a charge for six months. The Giant can also charge a device while its own battery is being charged, which isn't the case with even more powerful chargers like our Best Reviewed Portable Charger, the Anker Astro3 (Est. $50) .
|Jackery Giant+ Premium Fast-Charging Aluminum Portable Charger 12000mAh External Battery Pack Power Bank with Dual USB Port for Apple iPhone 5S, 5C, 5, 4S, iPad, Air, Mini, Samsung Galaxy S4, S3, Note, Nexus, LG, HTC. USB Charger, Portable Charger, Portable Phone Charger, USB Battery Pack, Dual USB Car Charger, Power Bank, Portable Battery for Mobile Devices (Orange)|
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Over 300 Amazon.com contributors give the Jackery Giant an impressive 4.6 out of 5 stars. While some users say the device is somewhat large for a portable charger, many say they're impressed by its performance on smartphones and tablets.
Review: Jackery Giant, Contributors to Amazon.com, As of April 2014
TechRadar.com's reviewer recommends the Jackery Giant after it charges an S4 and iPad4 simultaneously in about two and a half hours, and then manages to charge an iPhone 5. Lily Prasuethsut also likes that the Giant will hold a charge for months.
Review: Best Portable Chargers: 16 We Recommend, Lily Prasuethsut, Dec. 19, 2013
Steven Sande of Tuaw.com (The Unofficial Apple Weblog) tests the Jackery Giant on an iPad mini and iPad (the generation is unclear). The 2.1 amp output "worked perfectly" with both but, as with other reviewers and users, it took about 10 hours to recharge the Giant's own battery.
Review: Jackery Giant Aims to Keep Your Devices Going, Steven Sande, March 30, 2013March 30, 2013
GlideMagazine.com's Hidden Track blogger reviews but doesn't test three Jackery mobile batteries: the Mini (2,600 mAh) the Bar (5,600 mAh) and the Giant (10,400 mAh). The Giant is praised for its sheer power, flashlight and "relatively light" weight at around 10 ounces.
Review: Technology Tuesday: Need Juice? Jackery Is the Answer, Parker Harrington, July 2, 2013