Seaking 300A HV V4 ESC (5-14S) Waterproof Brushless ESC 

Dominate the water with explosive acceleration and top speeds!

Features:

• Excellent waterproof performance (IP67). Users can use it directly without any waterproof treatment. Note: If water enters during use, please blow-dry each plug to prevent rusting.
• Built-in ultra-powerful switch-mode BEC with support for 6V/7.4V/8.4V switching, compatible with high-torque and high-voltage servos.
• The integrated Bluetooth function (built into the switch) allows for ESC settings and upgrades via the mobile app, without requiring additional devices, making it simpler and more convenient.
• Data logging functionality enables viewing of various running data through the HW LINK app.
• Supports firmware upgrades for the ESC, allowing access to the latest features.

Specifications:

• Cont./Peak Current: 300A-1600A
• Lipo Cells: 5-14S
• BEC Output: 6V/7.4V/8.4V, 8A
• Size (w/o water cooling pipe and mounting hole: 94x58.8x43mm
• Weight: 443g (w/input wires)
• Inner/Outer diameter of water cooling pipe: 3.5/6.0mm
• Programming Method: HW LINK APP
• Boat Applicable: Length < 180cm