Battery Charger circuit for LiFePo4 12v 20AH battery ?

[bob4bvm]

Anyone have a circuit for this ?
I understand a lead-acid or SLA charger can be used, but i am unclear how the battery's built-in BMS comes into play here

Battery in question is a LiFePo4 12v 20AH . Used to power remote devices, so normal charge/discharge cycles.

Can i just use my bench P/S set to 14.5V with a current limit of 0.2C (4A) ?

Thanks,
Bob

 

[bob4bvm]

Stil looking for this one, anyone have a ckt ?

Am i posting this request in the wrong place here ?
Thx
Bob

 

[Tony Stewart]

Do you have a link to the datasheets? battery, BMS

It's hard to find the charger specs especially for undercharge>recovery method.
Normally Lithium needs CC then CV then cutoff when current drops below 2 to 10% of the CC rate to reduce wearout. I see 14.4V is used for the CV level. It is most important to minimize the time spent during CV mode at 14.4V for longevity because the normal resting voltage is more like 13.7 and this overcharge stresses the battery. Lower voltage limits are more forgiving like 14.0V. which may reduce capacity a bit but extend the total cycle life number greatly. (Ref Battery University)

https://www.amazon.ca/Lead-Acid-Maintainer-Automotive-Motorcycle-Cart-Repair/dp/B08P5YNP3M/ref=pd_bxgy_d_sccl_1/141-3405835-6554568?pd_rd_w=4EEBJ&content-id=amzn1.sym.93ae3f3f-3555-4971-a952-df8053b1d375&pf_rd_p=93ae3f3f-3555-4971-a952-df8053b1d375&pf_rd_r=K94E8SFWTQQTCT7VJ7Y2&pd_rd_wg=iNdQ6&pd_rd_r=daf9dda9-de9e-4160-badb-eb1348b90e9f&pd_rd_i=B08P5YNP3M&th=1