A few nice electric bikes images I found:
When you choose a cleaner way to get around, it makes you feel good about protecting our planet and lets you get on with doing all the other great things you do. Greenaer offer a full range of smart transport solutions including award winning brands of Electric Bikes, The iconic REVA Electric Car and traditional top quality Dutch Bicycles
‘Elmoto’ E-Lifestyle Bikes
Image by FaceMePLS
Electrische motorfiets. 2000W.
Electric drive, 45km/h top speed and only 47kg.
Electric Scooters in Kunming
Image by timtak
They are everywhere, they are silent, helmets do not appear to be required, three on a scooter, or vaste amounts of produce (especially water), is not uncommon, and i think that they use normal lead acid batteries.