ج.م 538

Description

Dual USB output..
LED lights show the power, non-working state of intelligent automatic shutdown..
Built-in lithium battery protection IC, over-current, overvoltage, undervoltage protection.
Can be parallel 2-6 18650 battery..
Wide operating temperature range (-20 ° C - 50 ° C), with over temperature protection..

Material: Metal color: Blue Input port: MicroUSB (Android mouth) Input requirements: 5V constant voltage power supply can be done to charge the input power supply Output port: USB Output parameters: 5V1A/5V2A Requirements for rechargeable batteries: Available battery: 18650 battery, cell phone battery, flat battery, MP3 battery, etc. 3.7V-4.2V polymer lithium battery, can be single section (chip) power supply, can also be multi-section (chip) parallel power supply (not apply tandem). (Note: increase the capacity in parallel, the series is to increase the voltage, can only be used in parallel!) Not available Battery: dry batteries, batteries, 1.2V rechargeable batteries, nickel-metal hydride batteries, 3.2V lithium iron polymer lithium batteries. Product installation should pay attention to the following points: The battery should be in parallel, the voltage between 3.2-4.2V to work, 18650 flat and polymer batteries can be; Battery positive connected board B, battery negative connected board B-. It cannot be reversed, once connected reversed, the main board will be burned. the old and new batteries, models, inconsistent battery brand can not be mixed. Package Include: 2* Circuit Board

Reviews

3.7V Turn 5V 2A Boost Step Up Module Dual USB Charging Circuit Board PCB Board with Led Light for 18650 Lithium Battery Mobile Power Bank DIY 2 Pack

Fast Delivery to EGYPT

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