Hi George,
- Yes, the watt meter does measure accumulated watts, watt hours (KWH), current (amp drawn - highest, lowest, & real time ), total cost of electricity used. I have programmed it to 15cents per KiloWatt (here in California). Displays the Voltage input. By pressing the function button, it will scroll through all these information. I reset the watt meter to zero as soon as I got the bike, and will not plug in any appliance other than the bike's battery.
- Yes, it has a built-in battery (like a computer). And all data is saved, and can be reviewed even if it is unplugged.
- My charge station has 250 watts output. Inside, I can change the pot from 10-15V output. I made this panel with 3 DC outputs, and has a female cigarette output as well. The NITECORE D4 Digital smart charger can charge any (cylindrical) rechargeable battery simultaneously. From triple AAA, AA Ni-MH size to 18650 14500 18350 16340 10400 Li-ion batteries.
- I use this charge station a lot charging my lipo (lithium polymer packs)
I just rode the bike this morning, 11miles. I'd guesstimate 70% motor, 30% pedalling. Heading to destination were mostly uphill but not bad (not steep). Outside temp was 85deg. WOW! motor did not even get hot, just slightly warm . After 11miles, I still have 4bars (out of 4) on the battery display. It is now charging and I will check how much KWHr used on this 11miles trip distance and cost of electricity that was consumed. I did not want to reset the watt meter to zero, so I logged all the last reading/data before the trip, and will just subtract the latest info. My guess would be around 10 cents for this trip. As of yesterday's bike trips, I have used 7cents electricity cost.
Approximately, with this NEW Prodeco XR, 600Watt motor, it is giving me an average of
4mi to 5miles for every penny (electricity cost to charge the battery), based on 15cents/KW, 70% motor & 30% leg power.
This bike is VERY WELL MADE, GREAT LOOKING BIKE, FUN with 2years Warranty, Made in USA. Warranty/service is honored by any authorized Prodeco bike dealer.
Picture on the right, shows my Tail light charging (USB). It's supper bright, even during day time.