BLACK Power Bank Circuit With LCD Display Input DC 5V 2A Micro USB Socket Output DC 5V 2.1A 1A Dual USB Flash Light & BMS Protection Lithium Battery 3.7V 14500 18650 Battery Mobile Smart Phone Charging Module

Description: Dual USB 5V 2.1A Power Bank With LCD Module

Features:

• Motherboard comes with protection function: Charging overcharge protection, over-discharge protection, overcurrent protection.
• Intelligent output device after charging full, automatically stop charging, to prevent mobile phones overcharge.
• Output voltage and current stable, will not harm user devices.
• 18650 Battery Charger Power Bank Circuit with LED display flashlight.
• Standard USB output interface, mobile phone data line can also charge itself.
• Intelligent charging control resulting from discharging and short-circuiting the circuit
• Plug and play using the USB port of the power port, plug in the data line to realize the portable charging at any time.
• Support 18650 Li-battery replacement.
• Easy to use and secure.
• It can also be used as a charger for 18650 batteries.
• You can choose a battery to meet your needs, daily charging, when and wherever possible, without power, reduce the trouble.

Specifications:

• Micro USB input: 5V 1A
• USB Output: 5V 2.1A / 5V 1A(Dual USB interface)
• Charging display: intelligent digital display
• Batteries Type: liquid lithium-ion batteries (18650) 3.7 lithium-ion battery only
• Product Size: 57mm x 28mm
• Screen size: 27mm x 17mm

Installation instructions:

• The circuit board is connected to the battery negative B-, B + is the positive, do not connecting reversed, connecting reversed will burn the board, the battery is connected in parallel welding, assembling battery.  Note that the insulation between the battery and the circuit board, battery lead not to touch the circuit board, so as not to cause a short circuit.

Package included:

• 1 x Power Bank Circuit Dual USB DC 5V 2.1A 1A Micro USB With LCD Display & BMS Protection Lithium Battery 18650 Mobile Smart Phone Charging Module