Advertise your brand on this 8000 mAh waterproof solar power bank. It uses the latest monocrystal silicon solar panels that offer a greater efficiency in converting sunlight to energy. The compact lithium ion polymer battery can charge any mobile device from smartphones to iPads. Your brand or logo can be silkscreened to create a powerful marketing tool. The solar power bank and USB cable will be individually boxed. Product casing is made from ABS and PC fireproofing materials. With over 300 million mobile devices in the US and Canada, everyone from business professionals to students can use a little extra power. Certified by CE, RoHS and FCC. Rechargeable via USB or AC adaptor. Electric circuit protection from overcharge, overcurrent, overdischarge and short circuit.