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. 2019 Nov 19;2019:5674673. doi: 10.1155/2019/5674673

Table 1.

Specifications of the designed power supply.

Parameter Specifications
Battery type Lithium ion
Capacity 4000 mAh
Connectivity Two output ports (2 A feed system, 1 A USB to feed phone)
Voltage required input USB 5 V, 2 A
Time required to recharge 1 hour 50 minutes
Battery life with full charge 4 hour 30 minutes