Look at this! A revolutionary new battery type made using wonder material, Graphene, has been developed.
It boasts energy density up to 45% higher than comparable lithium ion batteries, a weight reduction of 30%, and can charge to 80% capacity in only 20 minutes.
Whilst being new technology, it must simply be a matter of time before this new development enters the e-bike market. In a nutshell, it will mean much smaller, lighter, and faster charging batteries. Watch this space.