Braveness New Electric Toothbrush Replacement Charger Model 3757 For Braun Oral-b This electric toothbrush charger are fits Braun Oral-B D12 S12 S18 D17 D18 D19 D20 D29 D34 OC18 OC20 professional1000 3000 4000 5000 D12013 D12013w D12523 3709 3728 3737 4736 4717 4729 8850 voltage of 220 v - 240,Power: 0.9W The charger is suitable for travel,Britain, Germany, France, Australia,China, etc. it replaced the original 110 v charger, when the voltage is lower than 220 v, it can be used , but the charging time will be extended The charger provide only by Braveness, Please make sure the seller before buying it