Apple's own iPhone 6 and 6S-compatible battery case is compact, comfortable and works with Lightning cables, but other cases exist that cost less and deliver more power.
What's different, will it work with last year's iPad Pro and what's the deal with all those magnets?
With its ability to toggle between nearly any smartphone, tablet and most computers, Logitech's smooth-operating and affordable K380 is one of the best multidevice wireless keyboards you can buy.
Forget the aux cord -- this Logitech Bluetooth Music Receiver is the easiest way to stream audio from your smartphone or laptop.
The Duracell Powermat 24-Hour Power System is great for keeping two gadgets powered all day, but is best suited for iPhone 4 and Samsung Galaxy S3 owners.
The Garmin HUD boosts safety and helps keep eyes on the road, but the cost of entry will likely dissuade most drivers.
The Cell Ranger Stix is an affordable and easy-to-use option for a cell phone signal booster. You should notice an improved signal, but call clarity may remain variable.
The Tylt Vu wireless car cradle makes charging a phone as easy as drop and go.
Although it should be a lot cheaper, the Rayz Rally is handy little plug-and-play speaker that significantly upgrades the audio of your iPhone.
At a convenient size for luggage or leaving in a car, the Bolt Power X-5 Mini offers versatility in charging personal electronics and becomes essential in an automotive emergency kit.
The snap-on module will offer better audio quality and a more powerful speaker for LG's new G5 phone.
In addition to providing a grip and physical shutter keys, the Cam Plus adds a second battery to your G5 handset.
If you ever need an Android-powered portable projector that you can use to Skype someone that also doubles up as a Wi-Fi hotspot, look no further.
With its large lithium ion battery and variety of charging cable adapters, the Bolt Power D28 makes an excellent charging solution for a variety of devices, including laptops, and a must-have for cars with finicky batteries.
Supercompact, affordable, and with fast performance, the Clear Spot Voyager would be a great mobile hot-spot device for those who live and travel within Clear's 4G coverage.
Like a modern walkie-talkie, GoTenna keeps your smartphone in touch with friends and family nearby even when there's no wireless coverage -- but everyone needs one of the gadgets, and it costs some serious scratch.
Sporting a 2,350mAh battery inside, the Energi Sliding Power Case from Tylt keeps your Samsung Galaxy S4 powered up when you're on the go.
If its Micro-USB port doesn't put you off, the Juice Pack Air works well both as a protective case and as a supplemental battery for the iPhone 3G.