Official 384.8 Wh replacement battery for SUBLUE VAPOR and VAPOR Pro pump-jet underwater scooters. The 13,000 mAh lithium-ion pack delivers stable, high-output power for up to 60 minutes of use and recharges fully in approximately 3 hours. An integrated LED indicator provides at-a-glance charge status. Weight: 3 kg (6.6 lb). Runtime varies with speed, riding style, water conditions, and user load. Due to its 384.8 Wh capacity, this battery is not permitted in passenger-aircraft carry-on baggage.