Firmware is needed to prevent constant charge, which will kill the battery much sooner than designed.
Circuitry should only enable charging when it goes below a certain threshold and stop once it hits 100% (or even 80% to prevent overcharging).
Firmware is needed to prevent constant charge, which will kill the battery much sooner than designed.
Circuitry should only enable charging when it goes below a certain threshold and stop once it hits 100% (or even 80% to prevent overcharging).