flickering: all them use switching power supply, which if wrong ones or in wrong conditions, usualy die in few months. Not only because of heat, but also close-

flickering: all them use switching power supply, which if wrong ones or in wrong conditions, usualy die in few months. Not only because of heat, but also close-to-limits voltages and such. And because they put $0.15 capacitors ones instead of $0.25 ones. And this is not only (cheap) home stuff, you can see this effect walking around in parks or streets, where a lamp is $100.. i have 7-8 long-fluorescent-substitues doing this at home, replaced capacitors in 2 of them, then replaced whole power supplies in 2 others.. then replaced the rest with whole new lamps as the price vs hassle/time-waste did not make sense.. Edit: but as sibling in thread says, if it soo repeatable, something is wrong in your electricity network at home. There is some source of disturbance, maybe even at neighbours. Long ago one bad laptop switching power supply was making an LCD display go crazy 4 rooms away.