https://www.amazon.com/Cameron-Battery-Roomba-i8-J7/dp/B0B95LB67Z/ref=gp_aw_ybh_a_sccl_NaN/130-5891828-7751561?pd_rd_w=WVWTp&content-id=amzn1.sym.9720001e-8f8b-4ff3-adb5-e19707d971f6&pf_rd_p=9720001e-8f8b-4ff3-adb5-e19707d971f6&pf_rd_r=KS6HRYC67YEY4YR73JY8&pd_rd_wg=qOjmP&pd_rd_r=3a4388c9-80bb-4612-b986-cadcbd30c371&pd_rd_i=B0B95LB67Z&psc=1#immersive-view_1672371743042 here is a link to the battery I currently have in my i7