PowerBank (2xUSB)
thingiverse
Powerbank made from 9 high-capacity 18650 batteries, totaling an impressive 25,000mAh. This portable powerhouse features two USB outputs that can be quickly charged using the QuickCharge function. Key components include: A digital LCD screen for monitoring a 3-cell battery pack's capacity in real-time. Nine robust 18650 lithium-ion cells that deliver long-lasting power. A built-in Battery Management System (BMS) that safeguards and charges the batteries, as well as protects against overcharging or discharging. A sturdy 5.5x2.1mm charging jack for safe and efficient recharging. An easily accessible power switch to control USB output on/off functionality. A dedicated button allows users to toggle the capacity tester on/off.
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