Bike Lights UK has been in the business of providing high quality biking lights from Magicshine to its customers for a long period now. All Magicshine products including Magicshine accessories UK from Bike Lights UK come with a 12 month warranty, which includes the batteries too. br Website: bikelightsuk.com br Facebook: facebook.comBikelightsuk br twitter: twitter.comBikelightsUk br Pinterest:pinterest.