Readers ask: How To Charge A Motorcycle Battery?

How can I charge my motorcycle battery at home?

Step 1. Connect the red clamps to the positive terminals on both vehicles. Step 2 Connect the black clamp to the negative terminal on the good battery. Step 3 Connect the black clamp to an unpainted chassis part on your bike away from the battery.

Can you charge a motorcycle battery with a regular battery charger?

They ‘ll charge like conventional batteries but the smart chargers need to have special circuitry to handle them. So if you ‘ve got an AGM, you need to be sure the charger you buy is designed to handle it.

How long do you charge a motorcycle battery?

So, how long does it take to charge a motorcycle battery? At least 6 hours and up to 24 hours. A brand new lead acid, 12 volt battery under a constant-current charge, will take 5 – 8 hours to charge up to 70%. The remaining 30% will require another 7 – 10 hours before it is ready to install on the motorcycle.

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Why do motorcycle batteries die so fast?

All too often, motorcycle batteries die young, murdered by neglect. Dehydration, improper charging, and a slow discharge during storage all shorten a battery’s life. To prevent these draws from killing your battery, you could disconnect the battery, but even if there is no load on them, batteries self-discharge.

Does motorcycle battery charge while idling?

Technically, a motorcycle battery does charge while the motorcycle is idling though it does not provide as much amperage as when the motorcycle is at higher speeds. During a normal ride, a motorcycle provides about 13, 14, or 15 amps while idling only provides less than 1 amp.

What amp should I charge my motorcycle battery at?

ALWAYS use a Motorcycle/Trickle Charger when charging Motorcycle Batteries. A Motorcycle charger supplies NO MORE than 7.5 Amps during the charging process. Make sure your charger is the same voltage (6 Volt or 12 Volt) as the battery you are charging. Charge for a full 8-12 hours.

How long can I leave a trickle charger on my motorcycle battery?

So 16 hours is the maximum safe time that the battery should be on that charger. The longer it is left on the hotter the battery will get and over time it will boil the battery dry.

What voltage should I charge my motorcycle battery?

Charging voltage

State of charging of battery Per lead-acid battery cell (2.1v nominal) 12v nominal batteries (6x cell)
Minimum for charging 2.15v 12.90v
Trickle charging 2.25 – 2.27v 13.50 – 13.62v
Normal charging 2.30 – 2.35v 13.80 – 14.10v
Fast charging (risk of gassing) 2.40 – 2.45v 14.40 – 14.70v
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Will a motorcycle run with a bad battery?

Yes a bad battery can make motorcycles not run well, shorted cells in the battery will cause the voltage coming from the alternator to get shunted to ground, eventually as more cells short out this will drop the voltage low enough that it will affect the fuel pump and the ignition coils.

Can you bring a motorcycle battery back to life?

You can now put this dead AGM battery on a full 18 hour – 24 hour slow 2amp trickle charge. After this your motorcycle AGM battery should work just fine again. And you have succeeded in bringing it back to life again.

How do you rejuvenate a motorcycle battery?

For a small motorcycle battery I made excess – 16oz of distilled water with 7oz of Epsom salts (15oz for a quart if you’re doing a large battery ). Fill the cells to the low level line with the nice hot liquid and seal them up. Give the battery a good shaking to mix the liquids.

Can I start motorcycle while on trickle charger?

It’s no problem jump starting a motorcycle from a car or another motorcycle. Even if you do it from a running car, it’s 14.2 V as opposed to 12.8 V of a fully charged battery, the jump start won’t damage the bikes charging system.

How long does a motorcycle battery last without starting?

The average motorcycle battery will die after 2 – 4 months without running. Newer batteries can last longer with an average of 3 – 5 months until dying whereas older batteries will not last as long giving it an average of 1 – 3 months until the battery dies while the motorcycle is sitting.