PSU - 4x battery 18650 to USB, 5V 2A, 3V 1A
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PSU - 4x battery 18650 to USB, 5V 2A, 3V 1A

18650 based PSU / Powerbank

  • 4x bat. 18650
  • Output: USB-A
  • Output: 5V 2A (breakout, 3A max)
  • Output: 3.3V 1A (breakout)
  • Input: micro-USB
  • On/Off switch
  • Over-charge/Over-discharge protection
€18.03 (tax incl.) €14.90 (tax excl.)
Tax included
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Create an 18650 autonomous power supply for micro devices, outdoor equipement and smart vehicule

Create an battery based PSU for your DIY activities thank to this easy-to-use 4 slots 18650 batteries. It offers charging capabilities from micro USB and type-C USB charging inputs.

With the four 18650 batteries installed, the board supplies:

  • five 5V/2A output ports,
  • five 3.3V/1A output ports,
  • one 5V USB output.

The board electronics includes overcharge and over-discharge protections that greatly extend the life of the 18650 batteries.

The onboard DIP switch is used for HOLD and NORMAL modes. In Normal mode, it auto shutdown when the current is too low. In HOLD mode, the power output stays active until the over-discharge battery protection gets triggered.

The on/off button is used to start/stop the power module: lightly press it to turn it on, long-press (3 sec) to turn it off.

The LED1 to LED4 are used to display the current power status! LEDS blinks when charging. LEDs are fixe (not blinking) when battery is fully charged.

This power supply board is a great power source for micro devices, outdoor equipment or DIY smart vehicles.

18650 batteries are required for this product to work. They are not included but you will easily find them on our shop.

Technical details

  • Output current:
    - 5V 2A (peak 3A),
    - 3.3V 1A
  • overcharge and over-discharge protections
  • Recharge Input:
    - Micro USB
    - USB type-c
  • Output:
    - 1x USB-A
    - 5x 3V3 output pads
    - 5x 5V output pas
  • LED indicator
    - blinking = charging,
    - Fixed = charged

Data sheet
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