Battery box up to 100 Ah. Can hold battery up to 339mm long, of various group sizes (e.g. 46, 53, 92 and others). Customizable length: Includes separator that divides the box into partitions, ranging from 50 to 330mm long. Mounting equipment: Includes durable hold-down fastening strap and foot clamps that secure the strap onto the supporting surface (screws not included), Restrains battery movement, Collects battery acid, Made of polypropylene, Acid, UV and heat resistant, Side handles to facilitate transportation, Lift-off lid for unobstructed inspection, Cable ports for untangled, safe cables. External dimensions: 431 x 257 x 256 mm. Internal dimensions / Maximum battery size: 339 x 199 x 224 mm.