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Full-protocol mobile phone fast charging 3516/3518 power bank

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Power bank based on the 3516/18 step-down module, supporting switching between internal and external power supply

The battery compartment supports 6 18650 batteries; the structure can be chosen as needed. For example, mine is 3S2P

Both the top and bottom covers have openings for heat dissipation, but the module generates a lot of heat; it is recommended to use it within 65W

Two ship switches are used to control switching, charging, etc. Please configure them yourself

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