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I have no problem but I am looking for an explanation. I have a LFP of 280Ah in combination with a Renogy DCDC 40A and a Renogy AC charger 20A When I drive with my RV the DCDC booster charge my LFP perfectly, no errors or what ever When I charge the LFP with the AC charger I always get an alarm...

I am busy to calculate an off grid system with PV panels in combination with 2 LFP batteries of 300Ah It is for a vacationhouse without power in the north of Sweden, around Östersund Because we are mostly there during the summer I am intent to disconnect the LFP and store them in the house...

I have the BMS from the picture which works great but everyone can log-in into the BMS and change the settings if they want That does not feel so well and I like to know whether it is possible to secure the BMS.

Is it possible to charge a lead battery with the Renogy AC-DC charger, I mean this on ?

Confirm the video from Will it looks like the Victron smart battery sense only works for low temperature, is that so ? I thought it was also for overcharging by the MPPT ? I build my 280Ah LFP and want to use my existing MPPT 75/15 but I don´t have the smart battery sense so I don´t know if I...

When I connect the ignition wire to a Renogy DCC1212-20 and start the engine will it directly connect the 2 batteries or is there some delay in connecting ? I prefer a delay of a few seconds.

Hi I am intent to build my own 12V-280Ah battery for in my RV and found the following parts Can someone advice me if my configuration is fine ? Battery pack from Shenshen Basen from Alibaba 120A BMS from Aliexpress 3S-4S 5A balancer from Ebay Smart battery sense from Ebay Orion TR Smart 30A...

I have a Ducato selfmade RV model x250 from 2011 with a 220 traction battery which I want to replace for a Lifepo4 battery which I want to make myself with the help of the youtube movies from Will. I am busy to calculate what I need and stock on 2 questions : which BMS do I need and do I need a...