Onyehn 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

Onyehn 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. 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 。 。 。

Onyehn 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
Onyehn 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
Onyehn 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
Onyehn 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
Onyehn 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
Onyehn 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

Onyehn 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

Onyehn 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,Up Module Dual USB Charging Circuit Board PCB Board with Led Light for 18650 Lithium Battery Mobile Power Bank DIY 2 Pack Onyehn 3.7V Turn 5V 2A Boost Step,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,Onyehn 3, Thousands of items added daily Fashion products Buy an official website online is here! USB Charging Circuit Board PCB Board with Led Light for 18650 Lithium Battery Mobile Power Bank DIY 2 Pack Onyehn 3.7V Turn 5V 2A Boost Step Up Module Dual.

Onyehn 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
Onyehn 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

Onyehn 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


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