【IP68】Maytech 500A ESC fully Waterproof Electric Speed Controller with Progcard for Eletric Surfboard Boat Jetski

Maytech 500A ESC fully Waterproof Electric Speed Controller with Progcard for Eletric Surfboard Boat Jetski ---------------------------------------------------------------------------------------------- Frequently Asked Question:   Do I have to use a water pump if the ESC is air-cooled? This ESC is fully waterproof IP68 rating. If use the ESC directly in water for cooling, then it doesn’t need water pump; If use it in air, then it need water pump for cooling. Here is waterpump link: 12V 30W water pump and DC-DC module for electric surfboard efoil electric boat ESCs/Motors   --------------------------------------------------------------------------------------------- Specifications:  Model No.: MTSF500A-WP With fully water-proof and cooling aluminum case Cont. Current: 500A Burst Current:1000A BEC: Built-in 18-75V to 5V/12V UBEC module Lipo: 6-14S  Weight: 3.8kg Size: 265*135*48.5mm  Great start-up torque with sensorless motors  100% Water-proof case Customer Feedback video o