The ROMOSS solo3 6000mAh Power Bank is your portable little energy store for times when your smartphone runs out of power before the day ends. Always have a backup plan with this amazing power bank that charges mobile phones perfectly and struts a capacity of up to 6000mAh that can charge an iPhone thrice without breaking a sweat. It also features a stunning sync charge feature. The compact little power bank also features dual output ports that enable you to charge two mobile devices simultaneously. The solo3 Power Bank gives you a power conversion rate of up to 85 percent which is 10 percent more than conventional power banks. You have both the fast charge and self-charge features too. And the makers have also added an Emergency LED torch into the mix too. This is sustainable energy for you.