9v电池座

9v支架，我从亚马逊买的。https://www.amazon.com/LAMPVPATH-Pack-Battery-Holder-Switch/dp/B07BXBS93X/ref=sxts_sxwds-bia-wc-p13n1_0？cv_ct_cx=9v+支架；dchild=1&；关键词=9v+持有者&；pd_rd_i=B07BXBS93X&；pd_rd_r＝9016a12a-fc1c-4b68-868d-c7ef9e53cd65&；pd_rd_w=VcnKH&；pd_rd_wg=818Fe&；pf_rd_p=1835a2a9-7ed8-48dc-ad07-fcd7527bd2bc；pf_rd_r=XARPZFBH3W421TQ1XZS8&；psc=1&；qid＝1606149492&；sr=1-1-80ba0e26-a1cd-4e7b-87a0-a2ffae3a273c