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Can I use a unprotected 18650 cell?
Posted : 08/03/2025 8:44 pm
Witty Pi 4 L3V7 can not "see" what kind of battery you are using: it only sees the voltage feeded to it.
As long as your battery's output voltage is in expected range, it will work.
Witty Pi 4 L3V7 itself already has some (but not all) protections: the overcharging protection from TP4056, the short-circuit protection on the output side from DC/DC converter MP3423.
Posted : 09/03/2025 9:00 am