Battery Life
Equipped with a removable Li-Ion 600 mAh battery, the Siemens CFX65 offered respectable battery performance for its time. With a standby time of up to 200 hours and talk time up to 3 hours and 20 minutes, users could count on it to last throughout most of the day without frequent recharges. Its battery efficiency was commendable given its basic functionalities and the energy demands of the hardware present.