Like a laptop, eh? So, let's see..... 40 miles first charge, 35 next, 30 next, then before you know it you have to plug it in every time you want to use it and trail a power lead around with you...... and when you complain you will be told "the battery is a wear-and tear consumable part and not covered under warranty"! I'll stick to petrol, thanks. ;-) Badger