Lepow POKI Series Slim 5000mAh Portable External Battery Charger Power Bank Fast Charging Touch Sensor for iPhone, iPad and Samsung Galaxy and More - Matte Black THINNER than 90% of 5000mAh portable chargers! The Poki's high density lithium polymer battery allows for the portable charge to be very thin. It can fit in your pocket so you can take it anywhere! SAFER than other batteries! The Poki has a lithium polymer battery instead of lithium ion so its safer and non explosive. HIGHER conversion than other batteries! It has a 90% conversion rate which means it has a high energy efficiency use. Compatible with 99% of smartphones and tablets - iPhone 6, 5, 5C, 5S, iPad, iPad 2, iPad Mini, iPods, Samsung Galaxy S5, S4, Note 3, Note 2, Galaxy Tab 3, 2, HTC, Moto, Nokia, LG, Blackberry and most other Android Smartphones, Tablets and other USB charged devices LOOKS BETTER than any other battery! Cream white looks better than the somber colored batteries. Thinned out rectangular shape looks unique among the boxy, bulky external batteries. COOLER function than other batteries! Swipe the metal strip for the power to appear. No more searching for the small button