Yearly Archives: 2017




Building Opus charging station Material used: (All links below will take you to eBay) Watt/volt/amp meter  Opus Bt-3100 charger/tester Ac connector Cable Sleeve Heat shrink Plexi glass 2.5mm DC plugs Some mixed wires to connect it all together 12V 30A PSU  (Note that a better choice is a server PSU. […]

Building Opus Test/Charge station



Bluetooth speaker box build Today we will focus on building below bluetooth speaker box.  I will not go into details in this article today because i dont have the time. But i will list all essential stuff needed: 3s BMS: http://amzn.to/2mDKDNz 3s BMS from Ebay Bluetooth amplifier http://amzn.to/2lhlXJB 18650 cells. (I took […]

Build Bluetooth speaker box



Cable Slicer DIY Today we are going to take a look on how i did build my cable slicer.   Tools needed Drill Nuts and bolts razor blade Tools preferred and used by me Angle grinder Mig welder   How to I’m using 20mm*20mm iron pieces i found. I cut […]

Build your own cable slicer



Broken cell replacement Yes, this will happen eventually for everyone. If you, like me, using 2nd-hand cells we do not know how many cycles they all have done and they may go faulty on you. Today Im showing you how simple it is for me, with my design of bus […]

How to replace a broken cell