Depends on the amperage of the charger. A 10 amp charger will charge it in about 1 hour.
How long does it take for an 18v battery to charge
Yes, but it will take a very long time if the battery is dead.
A very, very, long time with direct sunlight. Charge your battery with a battery charger
This depends on what kind or charger are you asking about and what kind of battery are you charging. My Phone charger takes two hours to charge my phone.
This depends on what kind or charger are you asking about and what kind of battery are you charging. My Phone charger takes two hours to charge my phone.
It would depend on the condition of the battery.
Depends on the battery's mAh rating and what the charger's mA rating is. Say the battery is a 1000mAh Lipo battery and the charger puts out 500mA, the battery will charge in 2hours.
Depends on the amperage you are applying to it. Read the charger manual.
Around 4 hours on a dead battery.
About 2 hours if the battery is 100% discharged.
At least 24 hours and possibly longer depending on how low the battery was.