The Sony Power Cover CP12 for the Xperia Z Ultra will be sold for £109.99 in the UK according to Clove. The CP12 Power Cover is expected to arrive in early November. Whilst not cheap, the case houses a 3000mAh battery and includes an aluminium stylus and EC21 magnetic USB charging cable too. For those that can afford it, this CP12 Power Cover will complement the Xperia Z Ultra perfectly.