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Specialist in Multirotor Tech & FPV Equipment

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Amass AS150 7mm Gold Bullet Anti Spark Connector Pair

Amass AS150 7mm Gold Bullet Anti Spark Connector Pair


In Stock


The Amass AS150 is our choice connector for high power applications. We use it on our heavy lifting multirotor builds, like the DJI S1000 and Tarot X-Series frames, as it can reliably handle high voltage 12S setups and its rated at a massive 200amps peak.

The Amass AS150 is a 7mm gold-plated bullet style connector, which provides an excellent, low resistance, contact surface. Furthermore its female plugs are spring loaded to ensure a reliable connection is maintained throughout flight.

The AS150 also has spark suppressing technology. If you’ve ever used a 4S battery, you have probably noticed a small spark when you connect your battery to your ESCs. Well the higher the voltage the bigger the spark; a 6S battery makes quite a large spark and a 12S gives out a real crack. The spark can damage the contact surface of your connectors over time and the current surge that produces the spark in the first place can damage sensitive electronics. The AS150 has a built in resistor, which eliminates the current surge, the spark and therefore the risks associated.

Unlike regular bullets, the AS150’s feature a plastic self-insulating shroud to prevent shorting. The shrouds also have a nice grip making them much easier to disconnect than XT90's for example.

The AS150 connectors are easy to solder thanks to their open sided design and they are just as easy to assemble - they simply screw into their plastic shrouds. The AS150 can accommodate large diameter cable, right up to 8 AWG for higher Amp draw.

These are genuine Amass AS150 connectors. 

  • Patented Anti-Spark Design
  • High Current Handling - Constant 150A / Peak 200A
  • Open Side for Easy Soldering
  • Reusable Threaded End Design
  • Tightening Ring on Female Side to Ensure Good Contact
  • Self Insulating Shroud
  • Compatible with up to 8AWG wire


  • Step 1: Solder the connectors after the cable is pass through the housing.
  • Step 2: Allow soldering joint to cool, screw connectors into housing.
  • Step 3: Connect - the red connector should be plugged in last to prevent spark.

Pre-Soldered AS150 Pigtail Wire - here.

AS150 Mounting Bracket - here.

  • Plug type: 7mm gold bullets in nylon shroud
  • Current Handling: 150A constant - 200A peak
  • Weight: 24g (pair)


  • 1 x Amass AS150 7mm Anti Spark Connector Male - Red (with resistance)
  • 1 x Amass AS150 7mm Anti Spark Connector Female - Red
  • 1 x Amass AS150 7mm Anti Spark Connector Male - Black
  • 1 x Amass AS150 7mm Anti Spark Connector Female - Black

None Available


By Alan Smith (not verified) on

Are these connectors available without the resistor? Thanks

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Choosing the right connector: There is a massive array of connectors on the market and they are not universally suitable for all multicopters. In basic terms, a connector is a device used to connect two or more electrical elements in order to allow current to flow from one to the other. In reality this could be achieved without a connector, so this correctly implies that there are other requirements. Technical requirements such as, current rating, resistance, and reliability should principally guide your choice; however personal preference based on ease of use/soldering, past experience and recommendations is usually the deciding factor. There are 2 main kinds of connectors, those that have the electrical contacts covered, or housed, and those that are exposed. Housed connectors include connectors like Deans and exposed are like bullets. While housed connectors are marginally heavier, they are safer as their shielding helps to prevent electrical shorts. Bare connectors can be made safer by applying heat shrink. Another advantage of housed connectors is that they typically prevent you mixing up the polarities and shorting the battery. Connector choice is most critical for high current applications, it's best to err on the side of caution when it comes to current rating. Always remember that there is no problem with using a larger connector than is required, apart from added weight and cost. Generally speaking small JST connectors are used to connect auxiliaries (BECs, LEDs etc), while 3.5mm bullets are often employed to connect ESCs to Motors. Finally, Deans, EC3s, XT60s, HXT 3.5mm are generally used for mid current applications, while 5.5mm bullets, EC5s and XT90s for high current applications.

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