PCBA solution design parameters for shared rechargeable battery

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PCBA solution design parameters for shared rechargeable battery

The concept of shared rechargeable battery is also called mobile power. A portable charger that combines power supply and charging functions in one, which can charge cell phones, tablets and other digital devices anytime and anywhere. Generally by lithium cells (or dry batteries, less common) as a storage unit, easy to use and fast。

Input parameters: 5v/1A
Input interface: V8 port, micro USB (Android port, flat port)
Output parameters: single USB output: voltage 5v, standard current 0.8, up to 1.5A
Conversion rate: 80%-85%
Power display: 4 levels of LED lights to display the power, non-working state intelligent automatic shutdown

Charging display; when charging 0-25% a light flashes, other lights do not light. When charging to 25%-50%. The second light flashes. The first light becomes constant, the third light flashes when charging to 50% a 75%, the first two lights turn to constant, charging to 75%-100% the fourth light flashes charging, the first three lights turn to constant charging, four lights all light charging to 100%

Charging display; when charging 0-25% a light flashes, other lights do not light. When charging to 25%-50%. The second light flashes. The first light becomes constant, the third light flashes when charging to 50% a 75%, the first two lights turn to constant, charging to 75%-100% the fourth light flashes charging, the first three lights turn to constant charging, four lights all light charging to 100%