A battery carrier for holding a battery, for use in mounting the battery in a vehicle, the battery having a rectangular parallelepiped shape and comprising bottom flanges (16, 16F, 16B, 16R, 16L) on bottom portions of a front face, a back face, a first side face, and a second side face, respectively, the battery carrier comprising: a carrier base having a support surface of a rectangular shape on which the battery is placed, the carrier base comprising holding portions (28B, 28R, 30B, 30R) in a rear edge portion and a first side edge portion of the support surface, respectively, the holding portions (28B, 28R, 30B, 30R) comprising holding faces facing the support surface, the holding faces holding the bottom flanges (16B, 16R) on the back face and the first side face, respectively, between the holding faces and the support surface; and a battery clamp disposed in a corner formed between a front edge portion and a second side edge portion of the support surface of the carrier base, the battery clamp being fixed on the carrier base at a position further backward from the front face of the battery and beside the second side face of the battery, the battery clamp comprising a front locking part located in front of the front face of the battery to lock the bottom flange (16, 16F) on the front face, and a side locking part located beside the second side face of the battery to lock the bottom flange (16, 16L) on the second side face, the front locking part comprising a plate-like front facing portion facing the front face of the battery and a plate-like front pressing portion extending from a lower edge of the front facing portion along a top face of the bottom flange (16, 16F) on the front face to contact the top face of the bottom flange (16, 16F) on the front face. a carrier base having a support surface of a rectangular shape on which the battery is placed, the carrier base comprising holding portions (28B, 28R, 30B, 30R) in a rear edge portion and a first side edge portion of the support surface, respectively, the holding portions (28B, 28R, 30B, 30R) comprising holding faces facing the support surface, the holding faces holding the bottom flanges (16B, 16R) on the back face and the first side face, respectively, between the holding faces and the support surface; and a battery clamp disposed in a corner formed between a front edge portion and a second side edge portion of the support surface of the carrier base, the battery clamp being fixed on the carrier base at a position further backward from the front face of the battery and beside the second side face of the battery, the battery clamp comprising a front locking part located in front of the front face of the battery to lock the bottom flange (16, 16F) on the front face, and a side locking part located beside the second side face of the battery to lock the bottom flange (16, 16L) on the second side face, the front locking part comprising a plate-like front facing portion facing the front face of the battery and a plate-like front pressing portion extending from a lower edge of the front facing portion along a top face of the bottom flange (16, 16F) on the front face to contact the top face of the bottom flange (16, 16F) on the front face.