Power Bank Circuit with LCD Display Dual USB 5V 2.1A 1A

Power Bank Circuit with LCD Display Dual USB 5V 2.1A 1A

Power Bank Circuit with LCD Display Dual USB 5V 2.1A 1A module for creating a power bank for one Li-ion battery 1S (3.7 V) with LCD display. It supports Dual-USB technology, which allows you to connect two gadgets to USB ports at once and charge them at the same time. The module has an indicator that notifies about the operation of the device. The built-in LCD display with backlight allows you to conveniently read information about the connected device, remaining charge, and operating voltage. To activate the module, use the button on the side panel of the board.

Please note: The module has no reverse polarity protection. The circuit board is connected to the battery negative B-, B + is positive, do not connect 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.

Specification:

• Model: H913-A V3.0
• Input Interface: Micro USB.
• Input Power Rating: 5V 1A.
• Output Interface: 2 x USB 2.0 ports.
• Output Power Rating (USB 1): 5V 2.1A.
• Output Power Rating (USB 2): 5V 1A.
• Battery Type: Li-ion 1S (3.7V).
• Overcharge Protection: 4.25V.
• Over-discharge Protection: 2.9V.
• Display Type: Digital LDC Display.
• Idle Time Before LCD Switch Off: 60 seconds.
• Display Size: 28 x 14 mm.
• Operating Temperature: -20°C to 85°C.
• Board Dimension: 57 x 28 x 16 mm.

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