Actually, I found the battery with exact same model number from the Amazon link below.

Replacement Battery MK11-3023 Compatible with Sony PS3 Wireless Controller MK11-2903 CECHZK1UC CECHZC1E https://www.amazon.com/dp/B08DHMYG47/ref=cm_sw_r_cp_apan_glt_i_X0BK9TQ39C1W4ZY3J11R

I hope this one helps you out.