Battery Life
Battery life is where the Siemens S10 active stands out. It boasts a removable Li-Ion 1800 mAh battery, which offers an impressive standby time of up to 120 hours and a talk time of 10 hours. Considering the limited functionalities and lack of power-hungry applications, this battery performance is quite efficient, which was crucial in supporting the phone’s primary function as a communication device during its time.