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Depends on the capacity, the ampere-hours.

As watts/volts = current, 100W will mean a current of 8.3A

So basically if you had a 83Ah(amp-hours) battery, it would last for one hour.

A 41Ah battery would last half an hour.

A 166Ah battery would last two hours.

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How many watts does my 12 volt 2 amp battery charger draw?

Volts * Amps = Watts 12 Volt * 2 amp = 24 Watts


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Assuming 100% efficiency, a 36-volt battery charger would use 36 watts per hour to charge the battery fully. However, it's important to consider that chargers are not 100% efficient and may draw slightly more power from the wall.


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To calculate the wattage produced by a 48-volt battery, you need to know the current (in amperes) it can supply. Once you have the current value, you can use the formula P = V x I, where P is power in watts, V is voltage in volts (48V in this case), and I is current in amperes. So, without knowing the current, we cannot determine the wattage produced by a 48-volt battery.


How many watts does a deep cycle 12 volt battery have?

The wattage of a deep cycle 12-volt battery depends on its amp-hour (Ah) rating. To calculate watts, you can use the formula: Watts = Volts × Amps. For example, a 12-volt deep cycle battery rated at 100 Ah would have a capacity of 1,200 watt-hours (12 volts × 100 amp-hours). However, it's important to note that the actual usable wattage may vary based on the battery's discharge rate and efficiency.


What is the ampere rating for a 12 volt 12 watt battery?

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Related Questions

How many watts does my 12 volt 2 amp battery charger draw?

Volts * Amps = Watts 12 Volt * 2 amp = 24 Watts


How many watts does a 36 volt battery charger use?

Assuming 100% efficiency, a 36-volt battery charger would use 36 watts per hour to charge the battery fully. However, it's important to consider that chargers are not 100% efficient and may draw slightly more power from the wall.


How many watts does a 48 volt battery produce?

To calculate the wattage produced by a 48-volt battery, you need to know the current (in amperes) it can supply. Once you have the current value, you can use the formula P = V x I, where P is power in watts, V is voltage in volts (48V in this case), and I is current in amperes. So, without knowing the current, we cannot determine the wattage produced by a 48-volt battery.


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To answer this question the amp/hours of the battery must be stated.


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