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RT9481 - Easy to Use Power Bank Solution (EZPBS®) Integrated Chip with Switch Charger, ADC, and Load switch | Richtek Technology
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SP 2USB Power Bank Charging Module Circuit Board - DC-DC Step Up Boost Power Supply Module - 5V 1A (2 USB) : Amazon.in: Electronics
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MP2698 | 5V, All-in-One Power Bank Solution IC with 3.6A Boost Current and 5.0A Fast-Charging Capability | MPS
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