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5 hours till dead flat but you really only want to take it to 50% so 2.5h
Wiki User
∙ 13y ago
Wiki User
∙ 10y agoif you have a 20Ah battery that means it will give 20A in an hour, so if your rig runs at say 2A then 2 into 20 goes 10 times so 10 hours of use.
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How long does a 12v 7ah 20hr battery last?
Depends on the current draw of what you hook it up to. At a draw of 7 amps (80 watts) it'll last for one hour. At a draw of 1 amp(12 watts) it'll last for 7 hours, ASO.
How long would an 8 Amp hr battery last with 75mA current draw?
You need to know that 1 amp equals 1000 miliamps.
How long will a Battery of 7.4 Volts 700 Amp-Hour last?
The voltage doesn't enter into the issue.If the current draw of your battery-powered equipment is 1 Ampere, the battery will last 700 years.If your equipment draws 1/2 Ampere, the battery will last 1,400 hours.If your equipment draws 2 Amperes, the battery will last 350 hours.And so on.CorrectionA 700 AH battery will THEORETICALLY last 70 hours at 1 amp current draw. A 700 AH battery will THEORETICALLY last 140 hours at 1/2 amp current draw.A 700 AH battery will THEORETICALLY last 35 hours at 1/2 amp current draw.The theoretical capacity of a battery is always greater than the actual capacity; electrical energy is released in the form of heat inside the battery.
How long will a regular battery last?
a car battery last for about 3-5 years
How long will a 7ah battery last with a 300mA draw?
A 7ah battery will hold a 1amp draw for 7 hours. With a smaller draw it will last much longer. In this case more than 3 times longer. 1 amp / .3 amps(300mA) * 7 = 23.33 hours to fully discharged.
How long does a car battery last if the car is seldom used?
As long as the battery is kept charged then it should last 3-5 years.
How long does a Panasonic triple a battery last?
a panasonic triple a battery last about 4 hours nonstop.
How long does a 8-Cell Lithium-Ion battery last?
How long does a Battery 6 Cell battery last
How long can a new battery last?
about a year.
How long a AAA battery last?
8hrs
How long does a 1700mah battery last?
Forever.
Can the rechargeable battery be replaced?
No the battery is built in but should last a long time.
