A2B Octave E bike, Walk Around this E bike and Have a Look
http://shop.obmic.com/shop/product/a2b-octave-8
Electronic Details:
Motor Type / Nominal Output : / Peak Output : Rear-Mounted Gearless Direct Drive Hub / 500 watt / 750 watt
Battery Voltage / Amp Hours / Watt Hours : 36 volt / 13.2 ah / 475.2 wh
Chemistry : Lithium-ion
Estimated Charge Time / Estimated Min and Max Range : 4 hrs / 20 to 25 miles (32.19 to 40.23 kilometers)
Display Type / Readouts : Backlit LCD / Speed, Odometer, Battery Level
Drive Modes / Top Speed : Twist Throttle / 20 mph (32.19 km/ hour)
how do u get the rear battery off?