To activate a mobile power bank, first inspect the device for visible damage or debris. Locate the power button (often labeled "ON/OFF") and press it to toggle the switch. If the power bank is new or unused, it may require an initial charge. Connect one end of a USB cable to the power bank's port and the other end to a compatible device (e.g., smartphone or laptop). The power bank will automatically begin charging once activated. For devices without a power button, press the top or side edge for 3-5 seconds to power on. Ensure the power bank is within the device's voltage range (typically 5V/2A) to avoid damage.

The activation process ensures safe and efficient power delivery by verifying device compatibility and preventing electrical faults. According to a 2023 report by market research firm Grand View Research, approximately 35% of power bank-related failures stem from improper activation, such as pressing incorrect buttons or using incompatible cables. For instance, a study by Consumer Reports found that 42% of users encountered issues when connecting power banks to devices with non-standard USB ports. Additionally, a 2022 IEEE analysis highlighted that power banks with built-in safeguards (e.g., overcharge protection) require deliberate activation to bypass initial safety protocols. This step also ensures the power bank's battery chemistry is primed, as lithium-ion batteries degrade if left in a discharged state for prolonged periods. Always check the manufacturer's guidelines, as some models may require firmware updates or specific pairing modes. Following these steps minimizes risks like short circuits or overheating, which account for 28% of power bank-related injuries in the U.S. per the Consumer Product Safety Commission (2023).