Combien de temps dure une batterie de 4000mAh?
How long will a 4000mAh battery last? 4,000 hours A 4000mAh battery life can last up to 4,000 hours, depending on the current required by the object being powered (measured in mA). You can calculate the battery life by dividing the capacity of the battery by the current required by the object. En savoir plus … Lire la suite