BMS help

[justison]

I'm looking at making a big 12v 400ah battery or two if the 1st one turns out and works good for my full time rv using these cells https://overkillsolar.com/product/lifepo4-cell-100ah/ but i noticed the Overkill Solar 12v 4S 120A BMSw/ Low temp Charging Protection is not being sold any more dose any one have any recommendations?

 

[mikefitz]

I have used this company, LLT,

4S or 3S 12V Li ion or Lifepo4 Battery smart BMS with Bluetooth function UART and RS485 communication with 60A to 120A constant current - LLT POWER ELECTRONIC

1) Application:this smart BMS can work for 3 to 4S Lithium ion or Lifepo4 Battery ,client can choose based on your battery chemistry features 2) Current : constant current of this version BMS can be made with 40A to 120A in accoridng to the different demand 3) Dimension: :Max 138*102*15mm for...

www.lithiumbatterypcb.com

Pay a little extra for fast shipping, takes less than a week. Company takes PayPal payment.
The BMS is almost same as supplied by Overkill ( it's the same unit without some of the options offered by Overkill).
There are alternative 4S smart BMS with higher current rating if you look through the website product list.

any one have any recommendations?