EasyAcc&reg; Multi-Purpose Universal USB Travel Wall Charger Cell Phone Battery Charger for IPhone Samsung HTC and Many More SmartPhones (NOT Compatible with Camera Battery)-Black Ultra-compatible: Compatible with over 90% of mobile phone batteries(NOT compatible with camera battery).Note:Samsung Galaxy S5 batteries can only be charged to around 90% of their full capacity by this charger. Fast charging: The battery holder can charge at a speed of up to 5V 1A (most universal chargers charge at a speed below 500mA). Smart charger: Automatically recognizes an inserted battery's voltage and polarity. An LED indicator keeps you informed about the charging status of your battery. Dual output: The USB charging port and battery holder can be used simultaneously. Safe charging: Multiple security protections provide both constant voltage and constant current charging. Lifetime after-sales service: Comes with a 12-month warranty plus lifetime technical support.