24-Oct-2023, 12:05 AM
hello all!
this inquiry on lipo batteries may be somewhat OT from the fpv scene but nonetheless bears substance for everyone’s benefit on lipo safety issues.
i recently bought a brand new mid-tier smartphone from one of the more popular brands. like every similar device it comes with an internal 5000mah lithium polymer battery. BUT this one had usb-C and a 33W wall wart allowing for fast charging capability. i tested this feature coming from 25% remaining charge after partial usage to set up the device. i did not time the whole process but i think it took a short ~15min to achieve an almost full charge.
i also noticed the phone rear panel being slightly warm after the whole process which sparked some cause for alarm! as a long time hobbyist fiddling with lithium packs i have always adhered to the conservative 1C rating to preserve longevity and i never encountered even the slightest bit of warmth with the pack anytime.
SO did the mobile phone manufacturer install a 100C 3.7V lipo cell inside my phone in order to withstand this kind of temperature rise during their so called “fast charging” feature? or is this potentially a recipe for imminent doom for the poor battery?
inputs from all smartphone users are much appreciated! cheers!?
this inquiry on lipo batteries may be somewhat OT from the fpv scene but nonetheless bears substance for everyone’s benefit on lipo safety issues.
i recently bought a brand new mid-tier smartphone from one of the more popular brands. like every similar device it comes with an internal 5000mah lithium polymer battery. BUT this one had usb-C and a 33W wall wart allowing for fast charging capability. i tested this feature coming from 25% remaining charge after partial usage to set up the device. i did not time the whole process but i think it took a short ~15min to achieve an almost full charge.
i also noticed the phone rear panel being slightly warm after the whole process which sparked some cause for alarm! as a long time hobbyist fiddling with lithium packs i have always adhered to the conservative 1C rating to preserve longevity and i never encountered even the slightest bit of warmth with the pack anytime.
SO did the mobile phone manufacturer install a 100C 3.7V lipo cell inside my phone in order to withstand this kind of temperature rise during their so called “fast charging” feature? or is this potentially a recipe for imminent doom for the poor battery?
inputs from all smartphone users are much appreciated! cheers!?