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The 'Battery Stem' Offers Up to 15 Hours of Smartphone Usage Power

 - Apr 14, 2018
References: kickstarter & geeky-gadgets
The number of urban cyclists that are present around the world is on the rise, so brands are responding with new products like the 'Battery Stem' to provide them with a way to stay connected.

Packed with a 10,000 mAh battery, the device will offer your smartphone with up to 15 additional hours of power, depending on the make and model. This will come as welcome news to avid cyclists who use their device for GPS directions, listening to music or taking calls as they ride.

The 'Battery Stem' cyclist smartphone battery is durably designed for outdoor use and is capable of withstanding dust and rain, while also ensuring that overcharging, overheating and over-voltage are never an issue you need to deal with.