- Battery Type: LiPo (Lithium Polymer)
- Battery Voltage: 3.7V
- Capacity: 210mAh
- Cell Configuration: 1S (single cell)
- Number of Cells: 1
- Connector Type: JST PH1.25 (Ultra Micro)
- Maximum Burst Discharge Rate: 50C
- Product Length: 1.88976 inches (48 mm)
- Product Height: 0.39 inches (10 mm)
- Product Weight: 5.6 grams
- Hard Case: No
Overview
The SPM 3.7V 210mAh 1S 50C LiPo Battery with JST PH1.25 connector is a precision energy solution designed for ultra-micro RC models and compact RC applications. This lightweight, high-performance battery is engineered for enthusiasts seeking reliable power delivery in smaller RC vehicles, making it an essential component for anyone building or maintaining an RC collection in the UK. Whether you're upgrading an existing RC car, helicopter, or multirotor, this Spektrum battery offers the dependable performance and quality construction you expect from an authorised Spektrum dealer.
Manufactured to exacting standards, this 1S LiPo battery is perfect for ultra-micro RC platforms that demand precision engineering and consistent power output. The JST PH1.25 connector ensures secure, reliable connections with compatible RC receivers, flight controllers, and other ultra-micro equipment. RC enthusiasts across the UK who demand quality components and authentic Spektrum products will appreciate the engineering excellence built into this compact power source.
At RC Model Shop, we stock genuine Spektrum batteries and accessories, ensuring you receive authentic products backed by manufacturer support. This battery represents the kind of quality component choice that separates serious RC hobbyists from casual buyers, delivering the performance consistency your RC experience deserves.
Key Features
- 1S LiPo Chemistry — This single-cell lithium polymer battery delivers a nominal voltage of 3.7V, making it compatible with a wide range of ultra-micro and compact RC equipment that operates on 1S power, eliminating the need to purchase multiple battery types for different models.
- 210mAh Capacity — The 210mAh energy storage provides sufficient power for extended flight times or runtime in ultra-micro RC applications, balancing weight savings with practical operational duration for hobby use.
- 50C Discharge Rate — With a maximum burst discharge rate of 50C, this battery can deliver high current output when needed, ensuring your RC model has access to the power required for responsive acceleration, aggressive manoeuvres, and demanding flight profiles.
- JST PH1.25 Ultra Micro Connector — The Ultra Micro JST PH1.25 connector is the industry-standard connection type for ultra-micro RC equipment, ensuring seamless integration with compatible receivers, speed controllers, and power distribution boards without the need for adapters.
- Compact Form Factor — Measuring just 48mm in length, 10mm in height, and weighing only 5.6 grams, this battery is engineered for minimal weight impact on your RC model, preserving flight characteristics and maintaining optimal centre of gravity in ultra-micro designs.
- Stick Cell Configuration — The stick-format cell design maximises internal volume efficiency and allows flexible positioning within tight battery compartments found in ultra-micro RC airframes and chassis designs.
- No Hard Case Design — The unencased cell configuration further reduces weight, making this battery ideal for weight-critical applications where every gram matters in maintaining optimal RC performance and flight envelope.
Technical Performance
This SPM 3.7V 210mAh 1S 50C LiPo battery represents modern lithium polymer cell engineering optimised for the ultra-micro RC segment. The 3.7V nominal voltage and 50C continuous discharge rate provide the power delivery characteristics essential for responsive RC performance across a range of compact applications. The battery's compact dimensions of 48mm length and 10mm height, combined with its featherweight 5.6-gram mass, ensure minimal impact on your RC model's weight budget—a critical consideration in ultra-micro RC design where weight directly affects flight duration, manoeuvrability, and overall performance. The JST PH1.25 connector represents the standardised connection architecture across ultra-micro RC platforms, eliminating compatibility concerns and simplifying battery integration. LiPo batteries like this one deliver superior energy density compared to older nickel-based technologies, meaning you get more power from less weight, a fundamental advantage that serious RC enthusiasts in the UK have embraced across all platform types. The 210mAh capacity balances practical runtime with the weight constraints of ultra-micro designs, ensuring your RC model achieves the performance envelope intended by manufacturers and competitive racers alike.
What's in the Box
- SPM 3.7V 210mAh 1S 50C LiPo Battery with JST PH1.25 connector
Frequently Asked Questions
- What is the JST PH1.25 connector and why does it matter? — The JST PH1.25 connector is the standard connection type for ultra-micro RC equipment, including flight controllers, speed controllers, and power distribution boards. This connector type ensures reliable electrical contact and secure mechanical connection without the need for adaptors or modifications. It's the recognised industry standard across ultra-micro RC platforms worldwide.
- Can I use this battery in any RC model? — This battery is specifically designed for ultra-micro RC applications that require a JST PH1.25 connector and 1S LiPo power. Check your RC model's documentation or battery compartment to confirm compatibility. If your model uses a different connector type or requires multiple battery cells in series, this battery will not be suitable.
- How long will this battery last on a single charge? — Runtime depends on your RC model's weight, aerodynamic efficiency, flying style, and motor power consumption. The 210mAh capacity will typically provide between 5 to 15 minutes of continuous operation in most ultra-micro RC platforms, though aggressive flying or high-power motors may reduce this duration.
- Is this battery suitable for beginners? — This battery is suitable for anyone using compatible ultra-micro RC equipment. Beginners should ensure their RC model is specifically designed for 1S LiPo power and features the JST PH1.25 connector. Always follow proper LiPo battery charging and storage procedures, as lithium polymer cells require dedicated LiPo chargers and careful handling to maintain safety and longevity.
- What is the 50C rating and what does it mean for my RC? — The 50C rating indicates the maximum continuous discharge rate as a multiple of the battery's capacity. For this 210mAh battery, a 50C rating means it can safely discharge up to 10.5 amps continuously (210mAh × 50 = 10,500mA or 10.5A). This rating ensures the battery can supply the power your RC motor demands without overheating or damaging the cells, making it suitable for responsive, high-performance applications.
- Do I need a special charger for this battery? — Yes, LiPo batteries require a dedicated lithium polymer charger designed for 1S cells. Standard NiCd or NiMH chargers will not safely charge this battery and may damage the cells. Invest in a quality LiPo charger with 1S balance charging capability to ensure safe, optimal charging and extend battery life.
- What makes Spektrum batteries reliable for RC use? — Spektrum is a recognised leader in RC technology, manufacturing batteries to rigorous quality standards with consistent cell performance and reliability. Genuine Spektrum batteries like this one undergo stringent testing to ensure they meet the power delivery and safety specifications critical to RC hobbyists who demand authentic, authorised products.
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 3.7V 210mAh 1S 50C LiPo Battery: JST PH1.25 Connector O-SPMX2101S50 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.
We want to make sure your delivery goes smoothly, so here are some important details about our service:
- For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
- Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
- Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
- If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
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- If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
- For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.
