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2 pcs 3.7V Turn 5V 2A Boost Step Up Module LED Light Display Dual USB Charging Circuit Board PCB Board with Three-in-one Data Cable for 18650 Lithium Battery Mobile Power Bank DIY

KWD 12
Brand
DKARDU
Weight
101 g
– 1 +

Special Features

  • Function protection: Dual USB output.Built-in lithium battery protection IC with overcurrent, overvoltage and undervoltage protection.
  • Display and shutdown: 4-level LED light shows power, non-working status intelligent automatic shutdown.
  • Parallel multi-cell battery: Can be connected in parallel with 2-6 sections of 18650 battery.
  • Note: battery positive connection plate B, battery negative connection plate B-. Do not connect it backwards, it will burn the motherboard.
  • Application range: can be used for mobile power, mobile phone charging, etc.

Description

Product description
Material: Metal
color: Blue
Input port: MicroUSB
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.

Package Included:
2 x Dual USB Charging Circuit Board
1 x Three-in-one data cable

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