I finally got version 2 with led done. I kept it almost the same size as v1, I printed one and assembled it and is working perfect. So enjoy
Needed components
- 2x li-ion battery (from old laptop battery)
http://www.banggood.com/2PCS-INR18650-30Q-3000mah-20A-Power-Li-ion-Battery-for-Samsung-p-1015666.html?rmmds=search - Battery Voltage Display Indicator Board
http://www.banggood.com/1-5S-Lipo-Battery-Voltage-Display-Indicator-Board-p-1073721.html?rmmds=search - Angled DC jack ID2.2mm OD5.5
http://www.ebay.com.au/itm/DC-5-5-x-2-1mm-Power-Plug-Connector-Male-Right-Angle-Jack-Cord-Cable-Wire-Pop-/252619656004 - 3pin JST-XH female plug
http://www.ebay.com.au/itm/10-X-JST-XH-2-5mm-3-pin-Connector-Adapter-Plug-With-Wire-15cm-EW-/232147120483?hash=item360d0bf163:g:978AAOSwu4BV6T9B