category: Computer battery
view:
time: 2025-11-05 17:15:25
Voltage: Nominal 3.7V (average operating voltage), fully charged 4.2V, minimum 3.0V (further discharge will cause damage).
Capacity: 30mAh (for headphones) to 20000mAh (for power banks), the larger the capacity, the longer it lasts.
Protective board: It must be there! Prevent overcharging (> 4.2V), overdischarging (< 3.0V), and short circuit.
