Despite its compact, lightweight appearance the ultra slim mobile battery charger power banks holds enough juice to boost the smartphone and provide up to 4 charges for any Apple or Android smartphone or mobile device... With Extra power and 2 extra-large printing surfaces, the rohs power banks portable chargers are the ideal personalized product for your custom logo, slogan, or full-color photo. This ultra slim backup battery power banks is small enought to fit comfortably in your pocket, or tucked in the palm of your hand along with your phone if you need to charge and talk at the same time.

The promotional ultra slim power banks mobile phone battery chargers is made of durable abs plastic case and is offered in Black and White stock colors, but can be PMS matched to any color you desire. Except the built in micro USB cable, A hidden lightning adapter of this lithium battery portable power banks charger gift sets are also concealed within the housing allowing your prospects to charge both, Apple and Android devices on the go without the need for extra cables.

The stunning and eye-catching mobile charger power banks have internal Grade A lithium battery cell of optional 4000mAh or 5000mAh. Distribute this promotional customized 4000mAh power banks phone battery chargers to your most valuable customers, employees, vendors, dealerships or associates, make it a freebie at a trade shows, conferences, anniversaries, New Year, Christmas Day or other events, or give printed customized Rohs ultra slim grade A lithium polymer battery power banks 4000mAh built in Micro USB cable  to all your employees.