If you plan to carry your battery-powered mobility aids or wheelchairs on board an Air India flight, here’s what you need to do:DeclarationInform us at least 48 hours before your flight to comply with IATA’s Dangerous Goods Regulations. You will need to share the following details:Number of batteries installed.Whether the battery is detachable.Watt-hour (WH) rating of each battery or, if not known, the ampere-hour (AH) rating and voltage.Carry the manufacturer’s certificate.Type of batteries allowedNon-spillable battery: dry, gel-type, or sealed wet batterySpillable battery: wet batteryLithium battery: Lithium ionBattery limitationsBattery on your mobility aid must not exceed 300 WHFor dual batteries, each must not exceed 160 WH.One spare battery, up to 300 WH, or two spares, up to 160 WH each.Important notesEnsure your wheelchair is manoeuvrable through airport areas.Wheelchair is collected at the aircraft entrance and returned on arrival.If not returned immediately on arrival, an airline wheelchair will be provided till baggage claim.Additional informationOne mobility aid is carried for free in addition to the baggage allowance.You will need special permission for mobility aids over 30 kg.Some airports may check aids into the hold and return on arrival. In such cases, assistance will be provided.Your comfort and safety matter to us. Complying with these regulations will help us ensure your journey is smooth.