DC Motor to Three Phase Brushless Motor Generator & Rechargeable micro usb 5volt

DC Motor to Permanent Magnet Synchronous Generator

DC Motor to AC Generator, 2 devices, startup 3v to 12volt

DC to AC Generator Frequency up 10Khz 3.7volt to 120v220volt & Rechargeable 5v

Transformer Motor / Generator SELF OSCILLATING & Lighting!

DYNAMOTOR DC Motor to Three Phase Brushless Motor Generator startup 3v to 12volt

2pcs Hand Crank Supercapacitor & Super Efficiency Joule Thief AA 1.5volt

Joule Thief 2 different Batteries one 3.7v & 1.5v with Multifunction meter!