As long as the output voltage of the charging bank is the same, it will not affect the mobile phone, because the lithium battery of the mobile phone is protected by a chip; A Charge Pal is a device that can charge a mobile device directly and has its own storage unit. At present, the main categories of the market are multi-functional charging treasure, basically configured with standard USB output, which can basically meet the current market common mobile devices mobile phones, MP3, MP4, PDA, PSP, Bluetooth headphones, digital cameras and other digital products
Not exactly the same.
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If the battery in the charging bank is a lithium-ion battery, then the marked voltage of the lithium-ion battery is 3.7V, and the actual voltage of different brands of lithium-ion batteries is still a little different.
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If the power bank is using other types of batteries, the voltage is different from that of lithium-ion batteries.
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No matter what kind of power bank, its output voltage is 5V.