"usb adapter"

AJMRTC Dual USB 5V 1A 2.1A Power Bank Charger Module Board with LED Indicator, 18650 Lithium Battery Charging PCB, DIY Electronic Kit for Portable Charger, Battery Pack & Electronic Projects
Limited time offer, ends 11/25
$11.98
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4pcs 18650 Charging Board Dual USB 5V 2.4A Mobile Power Bank Module 186 50 Lithium Battery Charger Board with Overcharge Overdischarge Short Circuit Protection DIY USB Power Bank Board
Limited time offer, ends 11/08
$28.48
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