You know,that hole is a little turbine. Just fire a blank cartridge in it to make it spin and charge the battery. There’s also a variant that supports a live round, but its efficiency is way lower and there’s a decent chance you’ll need a new phone afterwards…
It’s where you plug your gun in to power it.
You know,that hole is a little turbine. Just fire a blank cartridge in it to make it spin and charge the battery. There’s also a variant that supports a live round, but its efficiency is way lower and there’s a decent chance you’ll need a new phone afterwards…