Introduction: Mega Powerbank for Campers

About: radom diy projects

an easy and cheap DIY big powerbank for campers

Step 1: Part List

i use:

* 12v 18Ah Lead Acid Battery

* 10A solar charge controller

* 30w 18v solar panel

* 12-24 to 5v 2,5Ah dc to dc converter

Step 2: Build It

  • put the controller and the 5v converter with hot glue at the top of the battery and connect the wires
    • add a 4 pin connector to plug and unplug the solar panel easily
    • add the usb ports on 5v converter and a connector for 12v output

    Step 3: Connection Diagram

    • add a fuse on the (+) of battery
    • add a switch for the 5v converter and one for 12v if you want
    • add if you want a led dimmer

    do not connect anything direct on the battery if not needed.

    the solar controler have over-charging /over-discharging protection

    Step 4: End..

    now can have energy for days with no sun..

    Travel Contest 2017

    Participated in the
    Travel Contest 2017