Helmet Mounted Lipo Battery Booster *Source Files Included*
thingiverse
I designed this setup because my helmet cam and Bluetooth comms device both have approximately three hours of battery life, yet I can easily ride for twelve hours in a day. To keep things tidy, I wanted to mount the power source directly to my helmet so that no wires would be running elsewhere. I sourced some essential components from eBay, including this all-in-one boost charger module: https://www.ebay.com/itm/18650-Lithium-ion-battery-5V-1A-2A-Dual-USB-LCD-all-in-one-boost-Charger-Module-/322373666333?hash=item4b0ef7c61d This setup utilizes that module along with a lithium polymer battery pack, such as this 2000mah unit I used - or two stacked together for a total of 4000mah: https://www.ebay.com/itm/3-7V-2000mAh-Li-polymer-Rechargeable-Battery-405080-LiPo-Cell-for-GPS-Mp3-Reader/282957322945?hash=item41e1921ac1:g:4ckAAOSwRZ1a8ZYh The module has a curved back to fit snugly against my helmet, and I secured it with double-stick tape. Next, I'll be sharing how I made the setup water-resistant using silicone potting.
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