does it really run without a battery?

running into the won’t charge. tried a hard reset and battery disconnect and connect.

wondering if it will really run off the charger with no battery to see if it’s the charging port or battery. was gonna pop out a battery of a different one to see (kids had 3 of them) luckily I’m getting a free one from amazon (don’t need to send old one back) so now I’m trying to figure out how to fix this one.