TEDGIX (EDGE) K4 Waterproof Battery Series | Replacement Power Pack (B1/B2/B4/B8)

Don't let a drained battery cut your exploration short. The TEDGIX K4 Battery Series (formerly EDGE) offers a range of high-performance, waterproof lithium-ion power packs designed specifically for the K4 Motor System. Whether you need a lightweight travel companion or all-day endurance, we have the right power solution for you.
Note: This package contains the battery module only. If you need a replacement or extra charger, please visit our K4 Charger Page.

Choose Your Power Level:

B1 Travel Kit (98Wh): The Airline Companion

Capacity: 98Wh / 4.4Ah

Best For: Air travel and short sessions.

Highlight: Rated under 100Wh, this battery is airline-approved for carry-on luggage (check with your airline specific rules).

B2 Cruiser (199Wh): The Lightweight Balance

Capacity: 199Wh / 9Ah

Best For: Casual paddling and fishing trips.

Highlight: Double the range of the B1 while remaining compact and lightweight.

B4 Standard (444Wh): The Day-Tripper

Capacity: 444Wh / 20Ah

Best For: Full-day outings and extended cruising.

Highlight: The perfect balance of weight and endurance, offering hours of continuous assistance.

B8 Expedition (820Wh): The Marathon Beast

Capacity: 820Wh / 37Ah

Best For: Professional use, multi-day trips, and long-distance touring.

Highlight: Maximum capacity for those who refuse to turn back.

Key Features:

IP68 Waterproof: Fully sealed marine-grade casing protects against water ingress, salt corrosion, and sand.

Smart BMS Protection: Integrated Battery Management System prevents overcharging, overheating, and short circuits for maximum safety.

Fast Charging Ready: Supports high-speed charging to get you back on the water faster (Charger sold separately or with kit).

Easy Swap: Designed for quick plug-and-play connection to the K4 motor unit.