Gadget of the Day – Roberts Gemini RD-21

When it comes to batteries, DAB radios rank right up there with remote controls cars for their insatiable appetite for AAs.But Roberts could have the

When it comes to batteries, DAB radios rank right up there with remote controls cars for their insatiable appetite for AAs.But Roberts could have the answer to our battery-swapping woes with the Gemini 21.As well as leaving it to draw its juice from the wall, you can slip in six 'D' cells, make like George Michael and go outside – for up to 150 hours.That's non-stop DAB and FM action for a solid six days – beat that RC dune buggy.EssentialsRoberts Gemini RD-21Price: £80On sale: Now Contact: RobertsRelated stories:Intempo launches baby TRS DABPure Marshall DAB radios for charityGadget of the Day – Roberts Stainless Steel Revival DAB