... , Motorola, Nokia, Sony Ericsson, HTC, iPhone and, etc; 1)High quality portable battery pack adds plenty hours of play time to ... digital devices;2) With advanced A-grade high-energy polymer lithium-ion battery cells, safe and environmental-friendly;3) Elegant and ... protection functions for short circuit, overcharge and over temperature, safe and energy-saving;7) Built-in battery tester button with ...