It's related to the power delivered. Which is a combination of volts x amps. More volts requires less amps to produce the same power.
And the shape of the discharge curve has an effect
The nominal voltages stated are based on the discharge characteristics.
Used to take my LiFe battery about 6 hours use to actually get down to 6.6 volts (fully charged is 7.2 iirc). The Nimhs used to hit 4.8 in about 20-30 minutes (fully charged is 1.25 per cell or so).
Not a boffin. Just work with hybrid cars and electronics/software all day
|