Most reacted threads

Here’s a new update with a different configuration. I purchased these 60mm copper standoffs and tested this setup because the 1200W equipment they sell for $400 has a similar configuration inside. I had to see if it would work and, surprisingly, it does — it even runs cooler without costing the...

I have built a 3S7P 18650 battery pack using Sony VTC6 cells to be used in a 12V 7AH battery case kit from AliExpress for a UPS. I have two UPS models, one with a 350VA capacity and another with 750VA. Both UPS units have a charging voltage of 13.5V at either 10W or 20W. The issue I am facing...

I am starting with the journey of getting equipment for my future solar grid. For the moment I am just playing with 7S configuration of 21700 but soon i will start with LifePo4. However, I am getting a 7S Smart BMS 250A for a 7S7P setup. I know is very overkill but I am thinking using this in a...

Can I buy a 20S Daly Smart Active Balancer with BT and use it for only 7S at the moment? Just connecting B- to B6 + B+ on 7? Will read only 7S and work? Also the same question with BMS. Can i buy a large 20S BMS and use it for 14S for example? The idea is has the ability to be use for future...

I want to build my own UPS for my computer and appliances. Something that works just like the APC UPS that you can buy but I want to built the pack with LiFeP0 batteries. I want to be able to feed primary with my 110V power company feed and switch automatically to my pack in case the power fail...

I have a pack or 8S2P EVE 105Ah cells. I want to connect a nice 4 AWG cables from the battery to the Inverter. Currently I am using 8 AWG wires. My problem is the screws from that battery are very thin in order to connect a 4 AWG terminal to it. What options do I have?