E-bike battery guides

Plain answers with numbers you can check, each one linked to the data behind it.

What the three numbers on a battery mean and how to convert between them

Which voltage e-bikes use, with real counts, capacities and range from our index

Model number, cell layout, certification marks and date codes

Expected miles for any battery size at each assist level

Hours to full for any Ah and charger current

Charging, storage and cleaning habits that double pack life

State of charge, temperature and monthly top-ups for long storage

Step-by-step diagnosis from the charger light to the BMS

Separate cold, cell aging, BMS cut-off and motor problems

XT60, XT90, Anderson, Hailong, Reention, rack and integrated mounts