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Alimentation
18650 Dual Micro USB 3.7V to 5V 2A Boost Mobile Power Bank DIY 18650 Lithium Battery Charger PCB
Dual Micro USB 3.7V to 5V 2A Boost Mobile Power Bank DIY 18650 Lithium li-ion battery dual micro usb booster board feature LED lights show the power, non-working state of intelligent automatic shutdown; Dual USB output. Built-in lithium battery protection IC, over-current, overvoltage, undervoltage protection;
