How To Fix My Shake Flashlight Quit Working What's Wrong With My Shake To Charge Flashlight?

What's wrong with my shake to charge flashlight? - how to fix my shake flashlight quit working

I have 2 flashlights, and has just two days before. However, it is a good and not very bright. The problem is not collected, because the torch is bright for a second and return to the darkness. The same thing happened a year ago. I care much for them. How can I fix my flashlight. I want both to be brilliant. were expensive.