Microsoft has released the Power Cover for the Surface range of tablets.
Previously announced alongside the Surface 2 in September last year, the Power Cover supports both generations of Microsoft’s tablets.
The cover, which houses a keyboard and battery, can provide up to 70 per cent longer battery life for the tablets, Microsoft says.
The case is available to pre-order in the US now for $200 (£120), with a UK price and release date yet to be announced.

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