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Moped & Scooter Batteries


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Your moped’s battery is needed to get the bike started, deliver a spark, and run the lights. 

This page will provide you with some information about charging, maintaining, and replacing your battery. 

For more information about scooter batteries and charging systems, check out some of these other topics:

How to Charge a Moped Battery

In order to maintain optimal running performance, your moped’s battery should be properly charged. 

The easiest way to charge your scooter battery is by riding it. A regularly ridden scooter or moped will keep its battery charged naturally. 

However, if you only go on short rides or ride infrequently, you may need to use a battery charger to keep your battery in good condition with enough charge. 

To charge your moped battery, you’ll need to:

  • Disconnect the battery and keep the bike off.
  • Use an automatic battery charger that is rated for your moped battery’s voltage.  
  • Attach the charger’s positive lead (red) to the battery’s positive terminal. 
  • Attach the charger’s negative lead (black) to a ground connection of the scooter’s frame or to the negative terminal (confirm with your charger’s instructions). 
  • Plug in the battery charger. 

When in doubt, follow the instructions from your battery tender manufacturer. 

A fully dead battery may take up to 20 hours to reach a full charge again. 

A partially discharged battery may only need a few hours to recharge. 

Be sure to use an automatic charger that will shut off when the battery is charged OR pay close attention to avoid overcharging the battery. 

What Size Battery is Used for a 50cc Scooter?

Most modern scooters and mopeds will use a 12 volt battery. 

The dimensions and type of battery you should use will depend on the size and design of your moped. 

Typically, batteries for small displacement scooters and mopeds will be roughly 6” x 3.5” x 4.”

The YTX4LB and YTX7A-BS battery is one that will work for many 50cc mopeds and scooters.

How Much is a Moped Battery

The cost of your scooter’s battery will mostly depend on the type.

Traditional batteries will run cheaper, while sealed or gel batteries will be a bit more expensive. 

On average, you can expect to spend between $20 and $60 for a moped battery, with more expensive batteries ranging from $100 to $200.  

Learn more about the ownership costs of a moped: How Much is a Moped?

How Long Does a Scooter Battery Last

A regularly ridden moped and a well-maintained battery will last longer than one that is infrequently used. 

In general, most scooter batteries will be good for anywhere from 2 to 5 years. 

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