Quick recommendation on charger and charging port for a 10s4P battery

Will this charger suffice?

https://www.amazon.com/gp/product/B074SJT6ZT/ref=ox_sc_act_title_18?smid=A1YS8JMUCTTQ6J&psc=1

I want to make sure i have the right port, is it 2.1mm?

Is this correct?

https://www.amazon.com/URBEST-x5-5mm-Female-Mounting-Connector/dp/B01M1D5GIP/ref=sr_1_2?s=electronics&ie=UTF8&qid=1530136522&sr=1-2&keywords=2.1mm+x+5.5mm+socket

yup the charger is dc 5.5x2.1

The ports are worded in reverse as but they seem to be the correct ones.

Thanks man. On another note, I decided to go with an 8S4P battery but I initially bought a BMS for a 10S4P with 10 cables for each series. Can I still use it without using the last two cables? I think it should be fine.

That depends on the BMS, some brands people have found it to work, others not. I would try to return it and get an 8s bms if I were in your position.

You will need to get a 8s charger instead of the 10s charger you linked though.