• The greatest amount of time a fully charged phone, powered on and ready to send and receive calls with a SIM card can stay in standby mode
• Talk time: the amount of time a single battery charge will last if you only talk on the phone and do nothing else.
• When you're having a conversation with someone, your phone's battery uses twice as much energy as it normally does. As a result, talk time consumes more energy, therefore it is critical for a decent cell phone to provide a user with more and longer talk battery life. A typical phone will provide you roughly 5-6 hours of talk time. Again, it is dependent on the functions of the mobile phone.
• The standby time of a cell phone battery is the total amount of time it lasts. It incorporates all of the standard capabilities and operations of a mobile phone, such as messaging and gaming, and it may be stored without being used. Despite the fact that it consumes energy from the battery and has a time period of less than 12-15 hours.

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