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bestofmachinery.com/how-long-does-it-take-to-charge-a-car-battery-with-a-12...

A trickle charger usually operates at around 2 amps and it is going to take a long time to charge up your 12 volt car battery (read our full guide here). It can take as long as 24 hours to get the battery up to an acceptable charge, depending on how depleted your battery is when you start charging.

www.reference.com/world-view/long-charge-12-volt-battery-37c1417c43569a43

The amount of time required to charge a 12-volt battery largely depends on how low the battery is in energy. A highly discharged battery may take up to 12 hours for it to be fully charged. Three-stage automatic 12-volt battery chargers are the most recommended for efficient charging. Charging batteries slowly rather than quickly is recommended.

www.answers.com/Q/How_Long_To_Charge_12_Volt_Battery

In that case you can charge them with a 12 volt charger but it will take 3 times as long as charging just one 12 volt battery. Asked in Car Batteries, Scooters and Mini-Bikes

www.answers.com/Q/How_long_does_a_12_volt_charger_take_to_charge_a_8.4_volt...

A charger designed for a 12 volt battery should not be used to charge an 8.4V battery. It is likely to damage the battery and in the worst case can cause a fire. There are some chargers that can ...

www.answers.com/Q/How_long_does_it_take_to_charge_a_12_volt_150_AH_DC_battery

The charging time will depend on how much of a charge was left in the battery and on the charger you use to charge the battery. The more energy you have to put back in it, the longer it will take ...

www.answers.com/Q/How_long_does_it_take_to_charge_a_12_volt_AC_battery

A charger designed for a 12 volt battery should not be used to charge an 8.4V battery. It is likely to damage the battery and in the worst case can cause a fire.

www.quora.com/How-long-will-it-take-a-50w-solar-panel-to-fully-charge-a-12v-26...

Beginning with a simplistic approach, which is to assume that the battery begins fully empty, which would be the worst possible case: 12 volts X 26 amp-hours = 312 Watt hours of total energy in the battery when fully charged. Dividing the total Wa...

www.quora.com/How-much-charge-is-required-to-charge-12-volt-90-Ah-battery

you are using 12v 90Ah battery.. That means the battery can supply 1A of power for 90hrs with 12V capacity. To charge the battery we know Voltage transfer from higher potential to lower potential. we need to charge the battery with minimum 13.5v o...

www.quora.com/How-long-do-I-put-1-amp-trickle-charger-on-a-partly-charged-or...

The answer differs according to the type of charger and the starting state of charge of the battery. Firstly you need to determine what kind of ‘trickle’ charger you have. Some of the electronic automatic chargers will not charge a fully discharge...

www.quora.com/How-long-does-it-take-to-charge-a-12V-100Ah-battery-with-one-100...

This is impossible to answer because nothing is known about the current-sourcing ability of the charger. However, it is possible to make some assumptions and come up with a reasonable answer. First we can usually assume that the charger's efficien...