The QSO Battery Active Balancer Upgrade. And how a tiny switch makes a simple task impossible!

One of my complaints about the QSO battery was, that the cells were not top balanced when it was delivered. The BMS turned off charging at around 55V and prevented the internal balancer from doings its job (balance start voltage is set to 3.45V which is 55.2V pack voltage). In the last video (   • Manual Top Balancing of QSO Pre-Assembled ...  ), we tried to manually balance the battery using light bulbs and a power supply to either discharge cells with higher voltage or charge cells with lower voltage. That works but is a daunting and repetitive job! So, here comes the first upgrade of the QSO battery and we will install an active balancer which will perfectly and automatically top balance all 16 cells. We're also going to install a manual switch to turn this balancer on if needed. As we know from many tests we have done with these balancers, it should not let it run all the time because it will create an imbalance if the battery is not on a higher voltage and almost fully charged. I almost gave up on installing this switch and I had to overcome some problems with the little, tiny switch... I also need someone's help who has a 3D printer. More about this at the end of the video. QSO pre-assempled LiFePO4 Battery, 51.2V/230Ah/11.7kWh, 200A BMS https://off-grid-garage.com/li-ion-ba... Adjustable Power Supply 60V/5A or 20A: https://off-grid-garage.com/measureme... 4s - 21s Active Balancer: https://off-grid-garage.com/battery-m... Please subscribe and join me on my journey of the Off-Grid Garage! For more information, please check out my website with links to all the batteries, materials, devices and products I have used in my videos: https://off-grid-garage.com The 'Buy me a Beer🍻'-link is here (on the website, scroll all the way down): https://off-grid-garage.com Thank you for your support! You can also click on the Thanks button under the video to support the channel. Thank you, if you have already! T-Shirts, caps, mugs and more in our merch-shop: https://off-grid-garage.com/merch **** These are the batteries you are looking for **** 🔋➡EVE LF280/304 LiFePO4 cells 3.2V/280+304Ah: https://off-grid-garage.com/batteries/ 🌞➡Solar charge Controllers, Inverters and accessories: https://off-grid-garage.com/solar-cha... 🔧➡Tools, Analysers and Testers: https://off-grid-garage.com/equipment/ 📈➡ Battery Tests and Results: https://off-grid-garage.com/battery-d... 🔌➡Batteries, charger and accessories: https://off-grid-garage.com/batteries-3/ ⚡➡Cables, Inverters and Electronics: https://off-grid-garage.com/electronics/ The Sunfunkit DIY battery. Great product to build your own 12V battery. Use OGGA at checkout to get 6% off. Video Review:    • The Sun Fun Kit Experience. Building your ...   Best prices for Victron gear in Australia: Auto Parts Co has you covered. https://www.autopartsco.com.au/?pd_pr... (they have 4WD parts and accessories too) Take a live sneak peek at the Off-Grid-Garage in the Victron VRM World (link at top of the page): https://off-grid-garage.com/victron-c... My Tesla referral link if you want to buy any Tesla accessories or even order a vehicle, This is a great way to support my channel. Thanks a lot to everyone who have used it so far 🙏 https://ts.la/stefan96963 My other (German) YouTube channels:    / offgridgarageaustralia   Please don't leave any links in your reply. YouTube will not publish your comment in this case. If you decide to sent me an email, I really appreciate your time and effort for doing this. However, please consider leaving a comment under my videos instead as I may not be able to reply to your email due to the sheer amount of messages I'm receiving.