Why does my power bank show two different capacities? First it says 4000mah but then it says the capacity is 2300 mah : r/batteries
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Homemade 10000mah Power Bank Circuit Diagram
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xcluma Dual Micro USB 3.7v to 5V 2A Mobile Power Bank DIY 18650 Lithium Battery Charger PCB Board Boost Step Up Module : Amazon.in: Electronics
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