Custom Wire Harness

Compatible With

• Batteries with QS8 output connecting to ESC or chargers with XT90 port
• RC Cars, Trucks & Crawlers using XT90-equipped ESCs
• Electric Motorcycles & E-Moto builds requiring QS8-to-XT90 format conversion
• EV battery packs (QS8 side) to XT90-compatible BMS or chargers
• Any system needing a QS8 female to XT90 male (or reverse) adapter

Rated 45A continuous. Not recommended for peak loads exceeding 60A or systems above 60V.

Overview

The QS8 to XT90 Adapter Cable bridges two of the most popular high-current connector standards in the RC and EV world. Whether you're upgrading your battery connector, mixing equipment from different brands, or building a custom power harness, this adapter eliminates the need for re-soldering and gets you connected safely in seconds.

Built with 10AWG silicone wire and IP67-rated waterproof construction, it's ready for outdoor, wet, and demanding environments.

Key Features

🔄 Cross-Format Compatibility

Seamlessly connects QS8 and XT90 ecosystems — no soldering, no adapters stacked on adapters. One clean, purpose-built cable.

💧 IP67 Waterproof Rating

Fully sealed against dust and short-term water immersion (1m / 30 min). Ideal for outdoor RC use, e-moto builds, and wet-environment EV applications.

💪 10AWG Silicone Wire

Heavy-duty stranded tinned copper with ultra-flexible silicone insulation. Handles 45A continuous with low resistance and excellent heat dissipation.

⚡ Anti-Spark Design

Built-in anti-spark protection on the QS8 side prevents connector damage and capacitor inrush arcing on first connection.

Specifications

Package Includes

- 1 × QS8 to XT90 Adapter Cable (10AWG, IP67)

Custom Orders Welcome

Need a different cable length, wire gauge, or connector combination? We offer custom wire harness fabrication. Contact us with your specifications and we'll provide a quote within 24 hours.

Compatible With

• Electric Motorcycles & E-Moto builds (battery-to-controller or battery-to-charger wiring)
• EV battery packs requiring Anderson SB50 to ring terminal connection
• Solar energy storage systems (battery bank wiring)
• Golf carts, electric scooters, and light EV applications up to 600V DC
• Industrial DC power systems requiring SB50 connectors
• Any system needing a 50A / 600V DC Anderson SB50 to M6 or M8 ring terminal adapter

Rated 50A continuous at up to 600V DC. Not suitable for AC systems or loads exceeding 50A continuous.

Overview

The Anderson SB50 to Ring Terminal Cable is the go-to solution for connecting Anderson SB50-equipped battery packs directly to bus bars, terminal blocks, or bolted connections in EV and e-moto builds. Built with 10AWG high-temperature silicone wire, it handles the heat and vibration of real-world electric vehicle environments without degrading over time.

Key Features

⚡ 600V DC Rated – Built for High-Voltage EV Systems

Unlike standard RC cables, this harness is rated for 600V DC — suitable for serious EV battery pack wiring, not just low-voltage RC applications.

🔧 Anderson SB50 Connector – Industry Standard

The SB50 is widely used in EV charging, industrial equipment, and material handling. This cable gives you a clean, tool-free disconnect point in your power harness.

💪 10AWG High-Temp Silicone Wire

Ultra-flexible silicone insulation rated for high-temperature environments. Stays pliable in cold and resists heat from high-current operation.

🔩 Ring Terminal End – Secure Bolted Connection

The ring terminal end provides a secure, vibration-resistant bolted connection to battery terminals, bus bars, or chassis ground points.

Specifications

Package Includes

- 1 × Anderson SB50 to Ring Terminal Cable (10AWG, High-Temp Silicone)

Custom Orders Welcome

Need a different cable length, wire gauge, ring terminal size, or connector combination? We offer custom wire harness fabrication. Contact us with your specifications and we'll provide a quote within 24 hours.

Compatible With

• RC Cars, Trucks & Buggies (1/8, 1/10 scale and above)
• FPV Drones & UAVs with LiPo battery packs
• Electric Motorcycles & E-Moto builds (battery-to-controller wiring)
• LiPo / LiFe / Li-Ion battery packs (3S–6S typical)
• ESC (Electronic Speed Controllers) with XT90 port
• Battery chargers with XT90 output
• 100% backward compatible with standard XT90 connectors

Not recommended for systems exceeding 120A peak or voltages above 60V.

Overview

Upgrade Your Power Connection with XT90‑S Anti‑Spark Extension Cable

The XT90‑S Extension Cable is a premium‑grade power connection solution designed for high‑performance RC models, drones, UAVs, and electric vehicles. Featuring genuine Amass XT90‑S Anti‑Spark connectors with 10AWG ultra‑flexible silicone wire, this cable delivers reliable, spark‑free power transmission for demanding applications.

Whether you're connecting your LiPo battery to an ESC, charging your drone batteries, or building a custom power distribution system, this extension cable ensures safe, efficient, and durable performance every time.

Key Features

⚡ Anti‑Spark Technology – Protect Your Connectors

The XT90‑S features a built‑in resistor that prevents dangerous sparks when connecting power. This two‑stage connection design eliminates the pop and flash that can damage connectors over time.

🔌 Genuine Amass XT90‑S Connector – 100% Authentic

Each cable is equipped with 100% genuine Amass XT90‑S connectors. The 4.5mm gold‑plated banana plugs ensure solid, reliable connections with low contact resistance and excellent conductivity.

💪 10AWG Silicone Wire – Heavy‑Duty Power Delivery

10AWG (5.26mm²) stranded tinned copper wire with ultra‑soft silicone insulation: Low DC resistance (≤3.28 mΩ/m), exceptional flexibility, wide temperature range -60°C to +200°C, 90A continuous / 120A peak.

💧 IP67 Waterproof & Durable Construction

IP67‑level protection against dust and water immersion — suitable for outdoor and wet‑environment applications.

Specifications

Installation Tips

⚠️ Important Usage Notes:
1. Polarity Check: Always connect Red to Positive (+) and Black to Negative (–).
2. Two‑Stage Connection: Insert slowly to allow the built‑in resistor to pre‑charge before full engagement.
3. Secure Connection: Insert fully until you hear/feel it click.
4. Cable Management: Avoid sharp bends near the connector base.

Package Includes

- 1 × XT90‑S Male Connector (pre‑wired with 10AWG silicone cable)
- 1 × XT90‑S Female Connector (pre‑wired with 10AWG silicone cable)
- Total cable length based on selected option (50cm / 1m / 3m)

Custom Orders Welcome

Need a different cable length, wire gauge, or connector combination? We offer custom wire harness fabrication. Contact us with your specifications and we'll provide a quote within 24 hours.

Compatible With

• E-Bike battery packs (48V–72V systems, 110A–130A continuous)
• Electric Motorcycles & E-Moto builds requiring high-current QS8-S connectors
• FPV Drones & UAVs with high-discharge LiPo packs (8mm bullet compatible)
• BMS (Battery Management Systems) with QS8-S output
• High-current ESCs and motor controllers with QS8-S input
• Custom EV battery harnesses requiring 500A peak-rated connectors

Rated 110A–130A continuous, 500A peak. For systems requiring sustained loads above 130A, consider a higher-gauge solution. Compatible with standard QS8 ecosystem.

Overview

The QS8-S is the heavy-duty evolution of the QS8 connector — built for e-bike, e-moto, and high-performance drone applications where standard connectors simply can't keep up. With gold-plated 8mm bullet contacts, UL94 V-0 flame-retardant housing, and 8AWG silicone wire, this harness is engineered for sustained high-current operation without heat buildup or connector degradation.

Whether you're building a 72V e-moto battery pack, wiring a high-discharge drone, or upgrading an aging connector on your e-bike, the QS8-S delivers the current capacity and reliability your system demands.

Key Features

⚡ 110A–130A Continuous / 500A Peak

Handles serious sustained loads that would overheat standard XT90 or QS8 connectors. The 500A peak rating provides headroom for motor inrush current spikes.

🔌 Gold-Plated 8mm Bullet Contacts

Large-diameter gold-plated contacts minimize contact resistance and heat generation at high current levels. Rated for 1000+ insertion cycles.

🔥 UL94 V-0 Flame-Retardant Housing

The connector housing meets UL94 V-0 flammability standards — self-extinguishing within 10 seconds. Critical for battery pack safety in enclosed EV applications.

💪 8AWG Silicone Wire

Heavy-gauge stranded tinned copper with ultra-flexible silicone insulation. Handles the current, stays flexible in cold, and resists heat from high-current operation.

Specifications

Package Includes

- 1 × QS8-S Male Connector (pre-wired with 8AWG silicone cable)
- 1 × QS8-S Female Connector (pre-wired with 8AWG silicone cable)