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I don't have charger numbers, just amp meter and volt meter numbers from the bikes on board meters, cruseing up and down my mostly flate road my very rough amp average is 12, with my voltage droping to 28 volts, my speed is averaged at 22mph with a 27mph top speed (digital bike speedometer) without pedaling and starting from a dead stop.
so I have 12 amps times 28 volts (poorly built 32v pack) is 336 watts while crusing at 22mph comes to... 15 watts per mile, I haven't used it enough to have charging numbers, but my DeWalt batteries that are going on in the spring take 100 watts (Kill-a-watt meter) each to charge a 79.2 watt hour battery pack... yes I know there is some fuzzyness in there, right now my driveway and road are both covered with ice, when that changes I'll get better numbers, but from what I can tell my 22mph crusing speed uses a nice 15 watts out of the battery, ad 20% for charging, then a little more for float and self discharge, and it's I figure 20-22 watts per mile is a safe number... pretty close to Metro's number.
I have a brushless 3 phase motor, so it's a more efficent design then the schwinn, and more powerful to boot, from a dead stop going up a hill without pedaling I've seen the amp meter jump to 28-30 amps or around 1,000 watts.
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