NEXPOW Car Jump Starter 4000A Car Battery Jump Starter Portable Pack for Up to All Gas and 10.0L Diesel Engine 12V Jump Box, Jump Pack, Battery Booster, Portable Jumper Cables with LED Light/USB QC3.0

You need a battery, or at least a jump start. Then you can test with a voltmeter if it is charging. Get you one of these! https://www.amazon.com/dp/B0BR57PDDY?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_1