Make sure that your clients are well-equipped with enough battery power for their long days by giving them the juiced-up lit logo promo power bank on your next marketing campaign. This power bank is equipped with a whopping 8000 mAh polymer battery that can charge devices through its USB ports that give an ouput of 5 Volts/2.1 Amperes. You can easily recharge this power bank if it runs out of battery by its micro USB input that receives 5 Volts/1 Ampere of power. What makes this a great freebie is that you can have your company's logo customized onto it which lights up whenever this power bank is in use, making sure that your clients remember your brand whenever they use this great and useful gift that came from you.