Buy KOOBOOK 2Pcs 3.7V Turn 5V 2A Boost Step Up Module Dual USB Charging Circuit Board PCB Board 4-Level LED Light Display for 18650 Lithium Battery Mobile Power Bank DIY in Egypt

KOOBOOK 2Pcs 3.7V Turn 5V 2A Boost Step Up Module Dual USB Charging Circuit Board PCB Board 4-Level LED Light Display for 18650 Lithium Battery Mobile Power Bank DIY

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344.44EGP

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KOOBOOK 2Pcs 3.7V Turn 5V 2A Boost Step Up Module Dual USB Charging Circuit Board PCB Board 4-Level LED Light Display for 18650 Lithium Battery Mobile Power Bank DIY Details

Dual USB output.
Built-in lithium battery protection IC with overcurrent, overvoltage and undervoltage protection.
4-level LED light shows power, non-working status intelligent automatic shutdown.
Can be connected in parallel with 2-6 sections of 18650 battery.
Size: thickness 8mm * width 32mm * length 69mm.