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Repair / Re: Laser Level Charger PCB ID
« Last post by coromonadalix on Today at 04:32:56 pm »You could have a battery pack with "memory", meaning they could show some voltage but wont charge if everything is okay ...
Sometimes companies use cheap packs or cell ... if you can provide some 4volt on the battery connector and everything powers up, you'll know they are not good
and yes with found parts dustsheets, STM32 mcu and the battery charger ic you should be able to pinpoint where is your problem is / are if there is, or the battery is not good
some rechargeable batteries do have some protection on one end, when you unfoil the blue plastic, some batteries may or could have an small pcb, and this pcb can open if there is a problem, it may act as a fuse / bms ...
Sometimes companies use cheap packs or cell ... if you can provide some 4volt on the battery connector and everything powers up, you'll know they are not good
and yes with found parts dustsheets, STM32 mcu and the battery charger ic you should be able to pinpoint where is your problem is / are if there is, or the battery is not good
some rechargeable batteries do have some protection on one end, when you unfoil the blue plastic, some batteries may or could have an small pcb, and this pcb can open if there is a problem, it may act as a fuse / bms ...