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I have several JBD BMS with the HEAT function that are not working... at least not in the way I need them to work. I have discovered (by trial and error) that the heating function only works if the battery is connected to an active charger. The best I can tell, if it's connected to an active...

I just tried out my new Chargeveter last night and it's not working as expected. I hooked everything up, started the generator, went to the Chargeverter and saw that the screen was powered up and it was reading the Battery voltage correctly at 50.4 V. I went into the Settings screen and set it...

Back in March of 2021 I purchased (100) of these cells from Battery Hookup. Over the past few months I finally got around to testing them and building (3) 2P16S packs out of them. I bulk charged them to 3.55V and then individually topped off each one to 3.6V right before capacity testing them...

For those of you who might be interested in this offering from Battery Hookup. The Battery Hookup Ad says (in part): "MOST CUSTOMERS REPORT THAT THEY SALVAGED OVER 95% OF THE CELLS. SOME CELLS MAY BE LOW VOLTAGE BUT MOST WILL TAKE A CHARGE. WE HAVE BEEN BREAKING DOWN AND TESTING TOOL BATTERIES...

NOTE: I have changed the title and my premise in this thread as my eyes were opened to some information that I did not have before. Learning is a great thing. So this might only be of interest to a few since most here do not use Li-ion batteries, but since I did not see it discussed when I...

A few days ago I got the Growatt Shinelink up and running on my remote building (drove up there after work Tuesday night to install the T-Mobile Test Drive Hotspot) and now I can monitor my remote building during the week when I am not there. Yesterday morning the MPPT kicked in and solar...

I installed my new 12kw 48V Growatt Inverter today and I am not getting the expected output. The manual says for 240V installation to NOT hook up the Neutral wire from the output. I get 240V across H1 & H2 but only 75V from H1 to Neutral/Ground and 75V from H2 to Neutral/Ground. Is something...

Several months ago I purchased a Victron SmartShunt 500A off Amazon. About 6 weeks ago I finally installed it. It worked the day I installed it just fine. I was able to connect with the app and look at the settings. Weekend before last I went to the building and tried to connect with the...

I purchase one of these units directly from the company in Dec. 2020. I installed it immediately and have been testing it for the past (almost) 6 months. I have it hooked up to 500Ah of Homemade 14s 18650 Packs with about 8kW of Panels on the roof flowing through (2) SunnySky Solar MPPT 60A...