Power Adapter Compaq
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Where can I purchase a power port adapter for AA A/C for my laptop?
Laptop is 75watts input, Compaq Presario 2100
The adapter is to be used while on an airplane, to plug into the AC adapter available onboard an aircraft.
tigerelectronics.com has the best selection and prices.
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Outdoor Portable Solar Charger + Premium External Power Bank For HP, Compaq, Lenovo/IBM, Toshiba, Dell, Acer, Asus, Sony Laptops
Sale Price: $137.00 Average Rating:  |
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TechFuel® DC Adapter for HP Compaq Business Notebook nc6220 Laptop List Price: Sale Price: $39.95 |
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TechFuel® DC Adapter for HP Compaq Business Notebook nx9010 Laptop List Price: Sale Price: $39.95 |
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HP, Compaq Hp AC Adapter, 65W, 402018-001 Dc359a PPP09h 380467-003 Hp-0k065b13 Lf 163444-001, 179725-003, PPP005L
Sale Price: $5.85 Average Rating: |
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New Replacement AC Adapter Laptop Charger for HP Pavilion DV4 DV5 Series; HP G50 G60 Series
Sale Price: $1.54 Average Rating: |
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AC Adapter/Power Supply for HP Pavilion dv1000 dv4000 dv5000 dv6000
Sale Price: $1.14 Average Rating: |
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Ac Adapter Power Supply Charger for HP 463958-001 PPP009L PA-1650-02HN 463552-001 Laptop
Sale Price: $2.15 Average Rating: |
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Automobile Universal DC Laptop Power Adapter Kit for Acer / Compaq / Fujitsu / Gateway / HP / IBM / Sony / Toshiba
Sale Price: $16.99 |
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AC Power Adapter Tips for cameras, laptop,cell phones and music players
We have dozens of electronic gadgets in our homes: cameras, laptop,cell phones and music players. Almost all these run on AC adapters, the familiar black, chunky wall-plugs. If you lose them, you can get replacements. With a power strip, you can keep them organized. Use them wisely and you can trim your electric bill. take for “compaq presario m2100 ac adapter” example:
Compaq Presario M2100 AC Adapter 65W 18.5V 3.5A Description:
http://www.udtek.com/compaq-presario-m2100-ac-adapter-65w-185v-35a-p-4883.html
Input: AC100-240V (worldwide use)
Output: DC18.5V 3.5A
Power: 65W
Connecter size:
Internal Diameter: 1.7mm
External Diameter: 4.8mm
Item Includes: AC Adapter and Power Cord.
Multiple Use Adapters
Electronics stores sell adapters with switchable voltages and multiple plugs. They can replace dozens of different single-use types. If you rely on several gadgets that run on adapters, consider getting a switchable unit as a spare. Find the adapter with the largest current rating you can afford. An overrated adapter can power less demanding equipment safely, but an underrated one will run hot and probably fail.
Power Strips
Its odd, blocky shape means an adapter will take up too much room on a regular power strip. Some power strips feature extra space for power strips. Widely available, you should have no trouble finding one at a music shop. Musicians’ electronic boxes are largely powered by AC adapters.
Another item, the Power Strip Liberator, is a short AC cord that plugs into your power strip. It accepts an AC adapter on the other end. Its slim plug fits a socket on a conventional strip, keeping other sockets available.
Some power strips have built-in surge protection. This keeps severe voltage variations in the household AC power from harming your equipment. Power surges can damage all kinds of equipment, including adapters. Spending the extra money on this feature is worth it.
Specifications
AC adapters (Toshiba PA3283U-1ACA AC Adapter–$25.99 )come in hundreds of sizes, shapes and ratings, but three factors count most.
Voltage: Adapters typically provide between 3 and 24 volts.
Current rating: Electronic items typically consume between 100 and 3,000 milliamps. The adapter provided with the electronic item will deliver enough current, but no more,
Plug type and polarity (the plug that goes into the gadget, not the wall): Most adapters have two-conductor plugs, some have three. You can have an adapter with the right voltage and current, but if the plug’s wrong, you’re stuck. Polarity also varies among different models; some have a positive internal pin with a negative outside, some have it the other way around. A multi-use adapter allows you to switch polarity, so it will work with the widest range of equipment.
Unplugged
AC adapters consume current even when they’re not powering anything. If you touch one that’s plugged in, it will be warm. To save energy and money, unplug the adapter when it’s not in use. If you are recharging your cell phone, note when it’s full, so you don’t waste anymore power than necessary.
Testing
If you have a piece of equipment that’s working poorly, the cause might be its AC adapter. You can check the voltage and polarity easily with a handheld multimeter. If you’re lucky enough to have an oscilloscope, use it to test the adapter. Look for excessive ripple (bad capacitors) or lack of DC offset (bad diodes). If you find anything amiss with the adapter, simply replace it with an equivalent.
About the Author
Udtek.com delivers high quality laptop batteries, laptop AC adapters, Laptop keyboards, Lcd chargers, DVD drivers, Scooter chargers and more. Our unique product lines of over 1000 diverse accessory power products and replacement batteries and adapters provide our customers with an extensive selection of the best quality products available.
