Mega Powerbank for Campers

an easy and cheap DIY big powerbank for campers

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

• 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

• 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

now can have energy for days with no sun..