- Manufacturer: Spektrum
- Model Number: SPMXCA327
- Product Type: Battery Connector Adapter
- Battery Connector Input: JST-PH
- Battery Connector Output: JST-RCY (Red JST)
- Compatible Battery Voltage: 2S 7.4V
- Compatible Battery Type: Lithium Polymer (LiPo)
- Compatibility: UMX aircraft, JST-PH connector batteries to JST-RCY connector devices
- Design Type: Plug-and-play adapter, no soldering required
- Form Factor: Compact and portable
- Customer Rating: 4.7 out of 5
- Included Quantity: 1x Adapter
Overview
The SPM Adapter: JST Battery / PH Device (O-SPMXCA327) is an essential connectivity solution for RC enthusiasts using Spektrum-compatible aircraft and micro RC models. This adapter bridges the gap between different battery connector standards, allowing you to use JST-PH connector batteries with devices that require the standard JST-RCY connector. Whether you're flying E-flite UMX aircraft, setting up micro RC planes, or working with other small-scale RC models in the UK, this adapter ensures compatibility and eliminates the need to purchase multiple battery types.
Manufactured by Spektrum and supplied by authorised retailers, this adapter is purpose-built for seamless integration with 2S 7.4V LiPo batteries featuring the JST-PH connector, converting them to work with the ubiquitous red JST-RCY battery connector found on countless RC devices. It's the perfect solution for RC pilots who have accumulated batteries with different connector types or who want to expand their battery inventory without replacing existing equipment. The compact design makes it ideal for field use, allowing quick battery swaps without the need for soldering or complicated modifications.
This adapter has earned a solid 4.7 out of 5 customer rating, reflecting its reliability and practical value in the RC community. For anyone seeking hassle-free battery compatibility in their micro RC hobby, this is an indispensable accessory that delivers straightforward functionality without compromising on quality.
Key Features
- JST-PH to JST-RCY Conversion — This adapter seamlessly converts JST-PH connector batteries to the industry-standard red JST-RCY connector format, enabling compatibility with a vast range of RC devices including Spektrum-equipped aircraft and control units.
- 2S 7.4V LiPo Compatible — Designed specifically for 2-cell lithium polymer batteries delivering 7.4 volts, the adapter maintains proper voltage delivery and electrical integrity for safe and reliable operation with your RC equipment.
- UMX Aircraft Support — This adapter is particularly valuable for E-flite UMX aircraft owners, as many UMX models arrive with JST-PH battery connectors but can also accept JST-RCY batteries when using this adapter, providing greater flexibility in battery selection and availability.
- Compact and Portable Design — The lightweight, pocket-sized form factor makes this adapter perfect for field use, allowing you to switch between battery types without adding significant weight or bulk to your RC equipment bag.
- Spektrum Quality Assurance — As an official Spektrum product, this adapter meets manufacturer specifications and quality standards, ensuring safe current handling and reliable electrical connections across countless flight sessions.
- Simple Plug-and-Play Connection — No soldering, crimping, or technical modification required—simply connect your JST-PH battery to one end and plug the JST-RCY connector into your RC device for instant compatibility.
Technical Performance
The SPM Adapter: JST Battery / PH Device represents precision engineering in connector adaptation, maintaining full electrical integrity while converting between two popular battery connector standards used extensively throughout the RC hobby in the United Kingdom and internationally. Built by Spektrum, a division of Horizon Hobby and a trusted name in RC electronics, this adapter handles the current demands of 2-cell 7.4V lithium polymer battery systems without voltage drop or heat generation under normal operating conditions. The adapter's construction ensures proper polarity alignment, protecting your RC equipment from potential short circuits or reverse polarity damage that could occur with incorrectly wired connections. With a customer satisfaction rating of 4.7 out of 5, users consistently report reliable performance across hundreds of flights and operational cycles. The adapter is particularly valued by pilots operating E-flite UMX platform aircraft, which encompass ultra-micro designs weighing under 250 grams and utilising small brushless motors drawing modest current during flight. Whether you're flying the iconic E-flite UMX P-51D Mustang with its 280–300mAh battery requirements or other compact Spektrum-equipped models, this adapter delivers the connector compatibility necessary for flexible battery management and cost-effective hobby operation.
What's in the Box
- 1x SPM Adapter: JST-RCY Battery / JST-PH Device (O-SPMXCA327)
What You Need to Complete
- 2S 7.4V LiPo battery with JST-PH connector
- RC device with JST-RCY connector (such as E-flite UMX aircraft or Spektrum control units)
Frequently Asked Questions
- What is the difference between JST-RCY and JST-PH connectors? — JST-RCY (commonly called red JST) and JST-PH are different connector standards used in RC batteries. JST-RCY is the industry-standard connector found on most RC devices and batteries in the UK hobby market. JST-PH is a smaller connector format often found on compact batteries, particularly those designed for ultra-micro aircraft like the E-flite UMX range. This adapter allows you to use JST-PH batteries with devices requiring JST-RCY connections.
- Which batteries work with this adapter? — This adapter is designed for 2S 7.4V lithium polymer batteries featuring the JST-PH connector. It converts the JST-PH connector to the standard JST-RCY format. Always verify your battery's connector type and voltage before using this adapter to ensure compatibility with your RC device.
- Is this adapter suitable for E-flite UMX aircraft? — Yes, this adapter is specifically mentioned as compatible with E-flite UMX aircraft. Many UMX models can accept either JST-PH or JST-RCY batteries, making this adapter valuable if you want to use JST-PH batteries with UMX aircraft that require the JST-RCY connector.
- Will this adapter add weight to my micro RC aircraft? — The adapter is extremely lightweight and compact, designed for ultra-micro applications where every gram matters. For small RC models like the E-flite UMX range, the weight addition is negligible compared to the flexibility it provides in battery compatibility and management.
- Is soldering required to use this adapter? — No, this is a completely plug-and-play adapter requiring no soldering, crimping, or electrical modifications. Simply connect your JST-PH battery to one end and plug the JST-RCY connector into your RC device.
- What is the current rating of this adapter? — While specific current ratings are not detailed in available specifications, this adapter is designed for the modest current requirements of 2-cell 7.4V systems used in ultra-micro RC aircraft and compact RC devices, making it suitable for brushless motors and servos in this power category.
Why Buy from RC Model Shop?
RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the SPM Adapter: JST Battery / PH Device O-SPMXCA327 today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.
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