We have introduced several stackable power banks, but if you need more new features such as attaching it to your smartphone with ease, the following Modulo expandable backup battery should draw your more attention.
Modulo is a flexible, modular power bank that allows you to customize battery capacities based on your mobile devices. Each unit of Modulo measures 3.3 x 2 x 0.4 inches, weights 2.4 oz, and as shown in the images, it sports a stylish and ultra portable design. Moreover, each Modulo portable charger comes with a 2100mAh backup battery to charge your smartphone on the go, while its modular design lets you stack up multiple Modulo battery packs (up to 5 units for 10500mAh capacity) to expand power and allow it to charge multiple devices at the same time. Apart from that, using micro suction technology, you can easily attach your Modulo on the back of your smartphone or tablet to prevent from tangled wires, while an optional wireless charging receiver lets you charge your Modulo using wireless charger.
Modulo’s team is raising fund at Kickstarter. Pledging $25 will let you own the expandable backup battery. If you need it, jump to Kickstarter official site for more details or have a look at the following demo video first.