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- Voltage input for charging NiMH Batteries - Electrical Engineering . . .
I have 12 AAA NiMH batteries(1000mAH and 1 2V per battery) and I want to know what is the optimum voltage for charging them I am using a simple Constant Current charger(LM317 and 68 Ohm Resistor(R
- Lead acid battery boiling during charging: this is bad, right?
And it is bad Yes your charging current is set too high Also check that the final float voltage from your auto charger is correct to the final charging voltage of your battery From Yuasa batteries (pdf): yuasa techmanual For the correct charge rate a rule of thumb is to divide the battery’s amp hour rating by 10
- How does a USB C port provide the power to charge laptops?
Coupled with higher voltage, that gives a lot higher charging power All in all, I guess that the laptops will as well charge with 5V (on USB A charger), just far slower And based on what I saw from Apple for their new Macbook, the charger is 29W, so most likely a Profile 3 (a bit under spec), it seems then to be only 12V
- Charging Li-ion batteries in series - Electrical Engineering Stack Exchange
After 6 hours of charging, (I presumed that it was 3000mAh-6 hours of charging) I got the same result But as batteries are all connected in series their capacity is still 1380mAh My first question is: Did I overcharge the battery considering the fact that I charged 1380mAh instead of 3000mAh? It says also "Over-charge discharge protection"
- battery charging - How related are NiCd and NiMH chargers? - Electrical . . .
NiCd are a bit more forgiving than NiMH in charging They can generally take higher charging currents and are more tolerant of trickle charging, although even most NiCd don't want to be trickle charged long term The end of charge is trickier to decide with a NiMH Most NiMH chargers are therefore "smarter"
- battery charging - Can batteries be charged and discharged at the same . . .
Imagine batteries connected to a charge controller and a load at the same time When the load asks for power, and the charge controller delivers power, there are three possible situations: P_in > P
- 24V truck battery - voltage when the engine is running?
A float charging voltage for 12V lead acid battery is 13 8V (2 25V to 2 3V per cell) In a 24 system you have to multiply by two, which gives 27 6V However the battery can be charged also with higher voltages for fast charge, which is not implemented in automotive alternator, so it should output the float charging voltage
- battery charging - Can I indefinitely trickle charge NiMH batteries . . .
It's not clear to me if it's indicating that even this overcharging will have a noticeable negative effect on the battery (but it's worthwhile if your application needs to maintain fully charged batteries) of if at this current the effect is essentially negligible You can charge a NiMH battery indefinitely Unlike Li-ion batteries, overcharging is not a problem (i e their open circuit float
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