How a stungun creates 20kV from a 9V battery

3 способа использования 9в батареек 9V & DVTTY - Shake Dem 9V & DVTTY - Shake Dem [PLEK052] Licking a 9 Volt Battery with SparkFun! Harlem shake 9v Don't Throw Away Your Dead 9V Li-Ion Battery! You Won't Believe What It Can Do | Creation Hack Keyring Phone Charger | To use with a 9v Battery LOCOMOTIVE // shake shake shake I Turned a 9V Battery Into a Rechargeable Lithium Power Cell! 9V - BADBOY HARLEM SHAKE 9V