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Items for ACER 91.49V28.002in our site :
91.49V28.002 Adapter, 91.49V28.002 Laptop Charger, acer 91.49V28.002 Ac Adapter
ACER 91.49V28.002 Laptop AC Adapter
| P/N[ acer 91.49V28.002, 91-49V28-002, ] | |||||||
 Laptop AC Adapter replacement for acer 91.49V28.002 |
Special price:£26.39(Inc VAT) You save: £7.79 1 year warranty & 14 days money back! |
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This 91.49V28.002 Laptop AC Adapter also Work With
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Description for shopping this 91.49V28.002 Laptop AC Adapter:
- This 91.49V28.002 laptop adapter is precision-engineered and rigorously tested for voltage, capacity, compatibility and safety to exceed original equipment manufacturer specifications.
- This 91.49V28.002 laptop adapteris 100% brand new.
- This 91.49V28.002 laptop adapter can replace the fllowing charger numbers: P/N[ acer 91.49V28.002, 91-49V28-002, ] .
- Our 91.49V28.002 laptop adapter is 1 year warranty and 14 days money back.
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- We accept payment through PayPal.
- If you are not satisfied with our products for any reason, please don't hesitate to contact us, we will reply you within 24 hours. Our goal is 100% customer satisfaction.
Other products for acer:
AC adapter
A linear or (rarely) switched-mode power supply (or in some cases just a transformer) that is built into the top of a plug is known as a "wall wart", "power brick", "plug pack", "plug-in adapter", "adapter block", "domestic mains adapter" or just "power adapter". They are even more diverse than their names; often with either the same kind of DC plug offering different voltage or polarity, or a different plug offering the same voltage. "Universal" adapters attempt to replace missing or damaged ones, using multiple plugs and selectors for different voltages and polarities. Replacement power supplies must match the voltage of, and supply at least as much current as, the original power supply.
The least expensive AC units consist solely of a small transformer, while DC adapters include a few additional diodes. Whether or not a load is connected to the power adapter, the transformer has a magnetic field continuously present and normally cannot be completely turned off unless unplugged.
Because they consume standby power, they are sometimes known as "electricity vampires" and may be plugged into a power strip to allow turning them off. Expensive switched-mode power supplies can cut off leaky electrolyte-capacitors, use powerless MOSFETs, and reduce their working frequency to get a gulp of energy once in a while to power for example a clock, which would otherwise need a battery.
This type of power supply is popular among manufacturers of low cost electrical items because
Devices sold in the global marketplace don't need to be individually configured for 120 volt or 230 volt operation, just sold with the appropriate AC adapter.
The device itself doesn't need to be tested for compliance with electrical safety regulations. Only the adapter needs to be tested.
Diagram showing negative tip polarity on the right and positive tip polarity on the leftAC-to-DC adaptors have polarity (positive or negative). It is necessary to use an adaptor with the correct polarity to avoid damage.
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