neazoi
Advanced Member level 6
Hello,
I want to build an ultra simple charger, to charge a 750mAh 1.2V AAA Ni-MH battery.
The charger must be very simple, but it has to have a series diode, because it is needed for my circuit, so as to prevent referse power flow.
Can you please do some calculations for me, for a simple overnight (slow) charger (diode-resistor?). I do not need it to be automatic and I do not need it to fully charge the battery, since my circuit works down to 0.6v. I do not want the battery to be heated much, but I read that modern batteries, when charged with 1/10 of the current, have an internal chemistry that automatically handle overcharge situations.
I want to build an ultra simple charger, to charge a 750mAh 1.2V AAA Ni-MH battery.
The charger must be very simple, but it has to have a series diode, because it is needed for my circuit, so as to prevent referse power flow.
Can you please do some calculations for me, for a simple overnight (slow) charger (diode-resistor?). I do not need it to be automatic and I do not need it to fully charge the battery, since my circuit works down to 0.6v. I do not want the battery to be heated much, but I read that modern batteries, when charged with 1/10 of the current, have an internal chemistry that automatically handle overcharge situations.