Linked Questions
11 questions linked to/from Battery Ampere-hour rating vs Battery Amps (not an experienced user)
0
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2
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do mAh on batteries (for home-use - nerf) make a difference? [duplicate]
I was wondering if the mAh on an battery pack is important or relevant, so you would recognize a difference?
Little bit Off-Topic:
I've read a lot about "Nerf voltage mods" where modders change the ...
- 3
1
vote
1
answer
485
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Confused about battery rating specifications [duplicate]
I'm confused about how to understand battery capacity by its ratings. I though I understood Amp-Hours, as a nominal rating where they usually specified a period of time where that rating was ...
- 325
0
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2
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101
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Will a standard 9V alkaline battery (300mAh- 400mAH) be able to supply 2.5A for 5-10 second at a time? [duplicate]
For example, I have a motor that needs a surge of 2.5A for a short amount of time from a 6V power supply.
Will any 6V battery able to supply that current? Even if let's say it has only a 500mAH. How ...
- 149
27
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8
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120k
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How bad is it to undervoltage a 12-volt lead-acid battery?
I had a heated discussion with a few colleagues today revolving around how low of a voltage was alright for 12 volt lead-acid battery; they were in the opinion that the low voltage warning buzzer and ...
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12
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2
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10k
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How much current can lead acid batteries safely supply?
I have a motor I wish to drive with an 18V lead acid battery. The motor can draw quite a lot of current when stalling and I am worried of overdischarging the lead acid battery. Unlike LiPo batteries ...
- 131
2
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6
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19k
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Which wire gauge for a 250 ampere source?
I have two 6V 220Ah DC golf cart batteries that I want to put in series to make a 12V 220Ah output that I will connect to a 3000W power inverter. My problem is finding the proper connecting wires for ...
- 115
3
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3
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702
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What do i need to get this motor running off a car-battery?
I'm going to build a motorized barn-door mount for astrophotography, but have ABSOLUTELY no experience with motors, circuits or anything else related to the motor.
This is the motor I bought: https:/...
- 31
-1
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4
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Battery mAh meaning
What exactly does mAh rating means? I know that it means the milliamperes supplied by the battery in one hour but i need a more conceptual and practical definition/example.
How does mAh rating tell ...
1
vote
1
answer
2k
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Lead Acid max discharge rate?
I am building a flashlight using a large(ish) 35W HID headlamp from a car, and I'm having troubles choosing a good battery technology.
The inverter draws about 3.5A - 4A at 12V, tested on a large ...
- 11
0
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2
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Replacing sealed Pb battery with car battery
I found a 2U server UPS by APC, that uses 4 sealed Pb batteries (12V 9Ah, 2 in series, 2 times in paraler, so the pack is 24V).
The batteries are totaly dead (after 8 hours of charging, they roughly ...
- 123
3
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2
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136
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Battery ratings; am I reading this correctly?
I apologise if this insults anyone's intelligence, but I've always believed the only stupid question is the one you don't ask, so here goes...
As a bit of background, I asked previously about ...
- 41