Make sure you are using and storing it as recommended Your electric bike's battery life depends on various things: > THE BIKE'S LOAD: The battery life will be shorter if the bike is overloaded > THE TYPE OF TERRAIN: The battery life will be shorter going uphill > THE TYRE PRESSURE: The battery life will be better with tyres that are inflated to between 3.5 and 5 bars. > THE OUTSIDE TEMPERATURE: The battery life will be lower in cold weather (up to 50% less) > THE ASSISTANCE MODE BEING USED: We recommend reducing the assistance when the battery is low. > YOUR PEDALLING CADENCE: You have to pedal more to go further. > WHETHER YOU FOLLOW THE BATTERY CHARGING AND STORING INSTRUCTIONS The ELOPS 120E has an average battery range of 20 to 55 km. Taking good care of your bike will ensure that the battery lasts as long as possible.  2. An old battery may lose some performance Its battery range will therefore be shorter. Visit your Decathlon workshop to give your battery a check-up.