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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.
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∙ 10y ago
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∙ 10y agobutt hours
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What is the difference between 12v 7ah and a 12v 7ah 20hr?
12v , 7Ah means its the capicity of Battery , if load current is 1 amp then battery runs for 7 hrs. AH = Ampere* Current. 12v, 7ah 20hrs its shows load current is 7/20 amp.
Can you use a 12v 12ah battery instead of a 12v 8ah battery?
The Ah (amp hour) rating of a battery is a measure of it's capacity. A 33Ah battery, when fully charged, will deliver 33 amps for one hour, or 11 amps for 3 hours, etc.A 7 Ah battery will only last about 20% as long as a 33Ah battery.
How long will a 12v 2.5ah battery run a 3w LED?
12w at 12v = 1amp 3/12=0.25 0.25amp = 250ma 2.5ah= 2.5amps per hour 2.5/0.25=10 A 3w led at 12v 2.5ah battery will last 10 hours.
Can you use a 12v 8 battery to replace a 12v 4 ah battery in an alarm system?
You can replace a battery with a battery of the same voltage but greater capacity as long as it will physically fit.
Can you charge a 12v lawnmower battery with a 12v car battery?
can a 12v lawn mower sealed battery be charged with 12v battery charger use on cars
Is the 55b24l s battery a 12V or 6V?
The battery is a 12V car battery.
Can you use12v 5ah battery in place of 12v 3ah battery?
yes, the 5ah battery will last 5/3 longer than the 3ah battery.
Can a 12V 9Ah battery be used in a motorcycle that's supposed to use a 12V 10Ah battery?
Yes just as long as you don't exceed 10Ah rating you will be ok.
How long will 120 amp battery last if 1 amp drawing?
120 coldCrankingAmps? or crankingAmps or reserve capacity min @ x amp output would suggest the size of battery. I'm thinking it should last; if @ 12v, about 30-1hr.
How long does it take to charge 12V battery with 45watt solar panel?
That depends on the amp-hour capacity of the battery.
Can you recharge a 3V battery with 12V charger?
No, you can not charge a 3V battery with 12V charger.
How long will a 10amp charger charge a 12V battery?
Till the battery is fully charged. -Could be 4-12 hours.
