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9V batteries are a type of alkaline battery. The alternative is a lithium battery. Alkaline batteries use zinc as an anode whereas lithium batteries use lithium. Lithium batteries produce higher voltage and have a longer lifespan, thus they are more expensive.

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10y ago

A 9v power supply can be bought at stores such as Walmart, Best Buy, Radio Shack, Home Depot, Dollar General and many more. All stores carry 9v power supplies for your purchase.

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Q: Where can one purchase a 9v power supply?
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Related questions

Can you use a 9v-1a power supply when it calls for 9v-2000ma?

Unfortunately no, if the device calls for 2000ma you will need a 2A (amp) power supply to adequately power it.


What the conclusion that can take in multiple dc power supply?

conclusion of dc power supply 9V


If the original power supply indicates an output 9v and 700mA and you use one that indicates an output of 9v and 2000mA will this disturb the performance of the machine a pedal effect or even ruin it?

No.


Is the power supply for a Digitech whammy II 9v or 12v I need the specs for the power supply?

whammy 2 specs. ps750 class 2 transformer Ac-Ac power supply input: 120vac 60Hz 12w output 9v AC 780mA


Can you use a 9V 850MA power supply on a unit requiring 9V 2100MA?

No. A device that requires 2100 ma or 2.1 amps can not receive enough amperage from a power supply that will only deliver 850 ma or .85 amps.


Which uses less power a 9v CD player operating off of a WAGAN 12 v power supply inverter or a 9v CD player operating off a 12-volt-to-9-volt converter plugged to the WAGAN 12v power supply?

Ideally both ways use the same amount of energy. But it is not desirable to operate a 9V CD player at 12V


Can you use a 9v 1500ma on 9v 500ma device?

Yes. (For any pairing of power supply and device, as long as the voltages are a match (in your case: 9v), and the output (in amps or milliamps (A or mA) of the power supply IS EQUAL TO OR GREATER THAN the current required by the device (in your case 1300mA or higher) then you will be fine. Yes it is suitable: The OUTPUT VOLTAGE (5v, 9v, 12v, etc) of a power supply MUST BE EQUIVALENT to the required voltage of the device to which it is to be connected, whereas the output CURRENT (500mA, 1A, 1500mA, 2A... etc) offered by the power supply MUST BE AT LEAST EQUAL TO OR GREATER THAN the current required by the device to which it is to be connected. (in your case, for example, as long as the power supply is rated at 9v, you could use one that has a rating of 1300mA, 1400mA, 1500mA, 1A...and so-on, without any damage to either device)


Can you use 9v 100ma adaptor for powering a leap pad instead o 9v 700ma?

No, if the device needs 700mA of current, your power adapter cannot supply adequate current.


Can you safely use a universal AC adaptor set for 9V 300mA for a game that requires a 9V 700mA?

No, a power adapter must supply the same voltage, same polarity, and at least as much current as the load requires. Your adapter can only supply 300mA, which is less than the 700mA required by the load.Your game probably will not turn on and the power adapter may be damaged.


Can a 9v battery power a xbox?

no


In a simple series circuit where you have a 9V supply connected to a negative terminal with about 2 amps of current flowing you have a resistor of 100 ohms in between the 9V supply and 0V?

If a 9V supply is connected to a 100-ohm resistor, then the current is not 2 Amps,or even close to it.I = E/R = 9/100 = 0.09 amp.


For a device requiring DC 9V 1000mA will a DC adapter output PLUS 5V 3A also work for this device?

No. The device requires a 9V supply capable of delivering at least 1A. You're trying to supply it with a 5V supply. Go buy the right adapter. Just because there's a physical fit, it doesn't mean the part is the correct one. If the 9V supply can supply a little more than 1A (say, 1100 / 1200 mA) then that would be acceptable. If can only supply 900 mA, it may not work correctly.