... class A huge-volume Lithium-ion core. No memory effect. B): Safe and reliable, stable performance, super high capacity, super long ... . High-capacity, Safe and Reliable, Stable Performance, Long standby Time.B. Built-in PCM Triple Protection, Prevent to over-charge, over ... standby time and shorten battery life.E. Refurbished and uesd mobile phone may consumpt power, standby time is aldo short. Long ...