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US $8.99
Laptop Battery Express' external battery works with 10,000 laptop models, just not yours
If you're toting a new laptop with non-removable battery then you've got an obvious problem: it will run out of juice, likely at the moment you need it most. That's Murphy's law. Fortunately, a number of vendors have started to introduce these external battery packs designed exclusively for laptops. The practically named Universal External Laptop Battery from Laptop Battery Express ships with enough interchangeable tips to provide an extra 4 hours (rated at 66Wh) of power to thousands of laptops from just about any of the big-boy brands you can think of. There's even a USB port for topping-off your cellphone or portable media player. Unfortunately, the most notorious fixed-battery laptop, the MacBook Pro, is not supported. Ah well, that's just more business for Hypermac, eh? One more glamor-shot after the break.
133Watt Li-ion Universal External Laptop Battery
60Watt Notebook External Battery for Most Models with Input Rating of 60 Watts
Descriptions:
This external laptop battery is designed to keep you powered when you are miles from an AC outlet. Whether you taking a 5 hour transatlantic flight or out on fieldwork, this rechargeable Li-ion battery will keep your notebook powered.
With ratings of 133 watt-hours, this external laptop battery can provide up to 4~10 hours of additional runtime depending on the notebook model and its performance settings. Thus, you can maximize your laptop's efficiency even when AC outlet is not available.
Compatibility and Safety
This unit has a smart built-in circuitry for user's critical safety. This smart circuit protects your battery and notebook from input/output over-current, input/output over-voltage, and over-temperature.
Sleek and Light
The external laptop battery is designed for your easy traveling and handling. Its compact, light and ultra slim design will satisfy even the most demanding needs.
How long can this external battery run ?
This battery's capacity is 133Wh(Watt-hour):
you can compare this battery's capacity with your internal battery capacity to figure out how long this battery can run your notebook. For example, if your notebook internal battery output is: 10.8V & 4000 mAh, then, your notebook internal battery capacity is:
10.8V x 4000 mAh = 43200 mVAh= 43.2 Wh (Watt-hour).
This external battery capacity is about 133/43.2=3 times of your internal battery capacity.
If your internal notebook battery can run 2 hours, then the external battery pack can theoretically run about : 2 hours x 3 = 6 hours.
About the Author
Battery-company.com.au is a wholesaler who sells replacement laptop batteries, laptop ac adapters, digital camera batteries, camcorder batteries, power tool batteries and battery chrgers. We also do business in laptop battery distribution with customers in Australia. As the biggest retailer of batteries and battery charger in the Australia, we have helped our clients save money by offering the highest quality products with the lowest price. We promise a 100% OEM compatibility of our laptop computer batteries, camera batteries, laptop ac adapter and battery chargers. All products offered in battery-company.com.au are under the warranty: 1 year warranty, 30 days money back.
http://www.battery-company.com.au
