DIY Professional 18650 Battery Pack
Finally, screw the top lids in place! I used 3M x 10 screws for securing the lid. Now the battery pack is ready to use. Charging the Battery Pack : You can charge the battery pack by a 12.6V DC adapter like this. You can get it easily from aliexpress or eBay. Hope you enjoyed reading about my project as much as I have enjoyed building it.