... standby . C): Original circuit Design, & Original Manufacturing Process D): Built-in PCM to avoid overcharge, over discharge and overflow, overheat, short ... Triple Protection, Prevent to over-charge, over-put, over-current.C. Built-in valve prevent the core form explosion, make sure the ... calling, so it recommended to wipe clean the contacts before using.C. After 3 to 5 times after full charge and ...