Make sure you have backup power wherever you go with the Belkin Pocket Power 5K Power Bank. Featuring a slim and lightweight design, this portable charger easily fits in your pocket or backpack. The 5,000 mAh battery quickly recharges smartphones up to 1.5 times, giving you plenty of time for calls, web browsing and more. In addition, the universal USB-A port provides up to 2.4 amp to safely charge your devices at a rapid rate. Aside from smartphones, the power bank can charge headphones, speakers, smartwatches, fitness bands, action cameras, and even small drones. The 2.0 amp input allows the battery to recharge between uses quickly. Furthermore, the power bank comes with sensors that monitor voltage, heat, and circuitry for ultimate safety.