Hypermac 60Wh External Battery for iPad - Silver

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Price: $189.99    

Product Feature

• Compatible with all models of Apple MacBook 13" / MacBook Pro 13" / MacBook Air 13" - Magic-Box Modification Kit required for battery to work with MacBook (Sold Separately)
• Additional high power 10W (5V/2.1A max) USB port charges any USB device (e.g. iPad/iPhone/iPod) simultaneously
• High capacity 60-Watt-hour lithium ion battery (compared to MacBook Air 37Wh battery)
• Military grade lithium ion cells, rechargeable up to 1,000 times - Built-in short circuit, overcharging and temperature protection
• DOES NOT INCLUDE 15V DC auto/airline adapter (for connecting HyperJuice to the Apple MagSafe Airline Adapter)

Product Description

Magic-Box Modification Kit required for battery to work with MacBook (Sold Separately)

Although this 60Wh battery will work with the MacBook Pro 15/17 inch, it is not recommended as the MacBook Pro 15/17 inch draws up to 85W of power. Battery physics dictate that a 60Wh battery is most efficient at providing up to 60W (1C) of power.

A 60Wh battery can still provide 85W of power but at lesser efficiency, approximately only 70% of a 60Wh battery capacity will be available to the MacBook Pro 15/17 inch.</p> The remaining battery capacity will still be available to lower power devices like the iPhone. This power limitation affects all batteries with capacities lesser than 85W and is not specific to the HyperMac. This does not affect the MacBook and MacBook Pro 13 inch which draws up to 45W, 55W and 60W power respectively, which are equal or lesser than 60W.

MacBook Pro 15/17 inch users are recommended to use at least a 100Wh battery which can efficiently provide up to 100W (1C) of power. Likewise a 150Wh/222Wh battery can efficiently provide up to 150W/222W of power respectively.

Magic-Box Modification Kit required for battery to work with MacBook (Sold Separately)DOES NOT INCLUDE 15V DC auto/airline adapter (for connecting HyperJuice to the Apple MagSafe Airline Adapter).</p>

Hypermac 60Wh External Battery for iPad - Silver Review

Good product
it is the only external battery that is FAA approved
for my electronic kit bag.
Will save me from lugging around 30 lbs. of charts

Most of the consumer Reviews tell that the "Hypermac 60Wh External Battery for iPad - Silver" are high quality item. You can read each testimony from consumers to find out cons and pros from Hypermac 60Wh External Battery for iPad - Silver ...