Use the ChargeTech 10-Day Portable Charger 4-Device Power Bank and don’t worry about running out of battery for over a week. This portable charger is a 26,800 mAh battery that is compatible with iPhone and Android devices, tablets, MacBooks, fitness trackers, and USB-powered devices. Built to support you on long-term adventures, this 10-day power bank weighs just 22 ounces. You’ll barely feel the weight in your backpack or pannier. Additionally, this multi-day portable charger provides up to ten complete smartphone charges. Through fast charging, it can get your iPhone to 50% in 30 minutes. And it’ll charge your Samsung phone to 80% in just 35 minutes. Furthermore, made with sustainable plant-based sugarcane and corn plastic, this power bank is eco-friendly. You can be satisfied you’re charging your phone in a way that’s healthy for the environment.