The E-bike Batteries of electric bikes in the UK are inclined to come with either lithium ion or Lithium Polymer Batteries. In China, on the other hand, lead acid batteries are still the most common ones used.
Due to issues with weight and quality, lead acid batteries aren't typical in the rest of the planet. Especially, battery packs comprise from a number of cells: the direct acid ones are very similar to those we use on our automobiles, while the lithium ones utilize the identical technology as cell telephones. Aside from the chemical element within their cells, the principal feature that distinguishes lead acid and lithium ion batteries is that their dimensions: the direct ones are hefty and have a brief lifetime (200 to 300 charge cycles), while the lithium cells tend to be smaller and may survive more (from 500 to 1,000 charge cycles).

Ni-MH Battery C4700mAh 3.6V
Nickel Cadmium Nicd Battery Pack SC1800mAh 3.6V
Ni-Cd Battery Pack D4000mAh 3.6V
Ni-Cd Battery Pack C2500mAh 3.6V
NICAD Battery Pack AA900mAh 3.6V
LiFePO4 IFR18650 1600mAh 3.2V
LiFePO4 IFR18650 1600mAh 6.4V
Ni-MH Battery C4000mAh 3.6V
E-bike Battery 48V 10Ah JL-1
E-bike battery 48V 10Ah Qing Tian