Description
Overview
12AWG silicone adaptor cable converting EC5 or TRX connectors to AS150 or XT150, for high-current battery and charging setups. Intended where a battery or charger uses a 150A-class connector but the rest of the system does not.
Specifications
- One end: EC5 or TRX, male or female
- Other end: AS150 or XT150, male or female, or a male/female pair
- Wire: 12AWG silicone
- Typical ratings: EC5 up to 120A, AS150 / XT150 up to 150A
- Contacts: gold-plated
Purpose
It bridges the step between the 120A-class EC5 / TRX family and the 150A-class AS150 / XT150 family. That step commonly appears when moving to larger packs or higher-power chargers, and re-soldering the pack’s own leads is the alternative this avoids.
Applications
- High-current RC and large-model power systems
- Charging EC5 or TRX packs on AS150/XT150-equipped chargers
- Adapting between battery and ESC connector standards
- High-power bench and test setups
How to Use
- Identify the connector family and gender at both ends.
- Observe polarity and confirm before connecting.
- Keep total current within the lowest-rated connector in the path — EC5 caps the lead at 120A even with 150A connectors on the other end.
- Seat both connectors fully; partial mating at these currents causes rapid heating.
- Inspect after the first high-current run.
Need help specifying wire?
Review conductor size, insulation, voltage drop, winding requirements and inspection criteria.


































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