Spektrum 7.4V 350mAh 2S LiPo Battery Introduction
Spektrum LiPo batteries are engineered to exceed expectations. These cutting-edge batteries deliver superior output, rock-solid reliability, and extended longevity. The 350mAh 7.4V 30C LiPo battery is designed specifically for the Losi Micro-B. Whether you're hitting the track or conquering off-road terrain, Spektrum LiPos provides the juice to keep your adventures going strong. With their advanced design focused on both performance and safety, you can push your RC vehicles to the limit without worry.
- Brand: Spektrum
- Model Number: SPMX-1090
- Product Type: Lithium Polymer (LiPo) Battery
- Battery Voltage: 7.4V nominal (2S configuration)
- Capacity: 350mAh
- Battery Chemistry: LiPo (3.7V per cell)
- Cell Configuration: 2S (two cells in series)
- Maximum Continuous Discharge Rate: 30C
- Maximum Charge Rate: 3C
- Connector Type: PH2.0 (High-Current Ultra Micro)
- Hard Case: No
- Product Length: 1.41 inches (36mm)
- Product Width: 1.06 inches (27mm)
- Product Height: 0.45 inches (11mm)
- Product Weight: 0.63 oz (18g)
- Application: Surface (RC Cars)
- Designed For: Losi Micro-B
- Maximum Discharge Current: 10.5A (at 30C)
- Maximum Charge Current: 1.05A (at 3C)
- Included in Box: 1 × 7.4V 350mAh 2S 30C LiPo Battery with PH2.0 connector
Overview
The Spektrum 7.4V 350mAh 2S 30C LiPo Battery with PH2.0 connector is a premium lithium polymer power source engineered to deliver exceptional performance for your RC car UK adventures. Whether you're a seasoned RC enthusiast or just getting started with your first ready to run RC model, this compact yet powerful battery is specifically designed to keep your Losi Micro-B running at peak performance. Spektrum LiPo batteries are recognised across the UK RC community for their superior output, rock-solid reliability, and extended longevity, making them the choice of serious hobbyists who demand consistent, dependable power for their vehicles.
These cutting-edge batteries represent the pinnacle of modern RC power technology. With their advanced design focused on both performance and safety, you can push your RC vehicles to the limit without worry. Whether you're hitting the track, conquering off-road terrain, or simply enjoying weekend bashing sessions, Spektrum LiPos provides the juice to keep your adventures going strong. The powerful 30C discharge rate ensures that your RC car receives the explosive power delivery it needs for rapid acceleration and sustained high-performance driving, whilst the lightweight construction means minimal impact on your vehicle's overall weight distribution and handling characteristics.
For RC enthusiasts in the UK seeking a reliable power solution for micro-scale vehicles, this battery represents an excellent investment. The PH2.0 connector system ensures secure, reliable connections with compatible receivers and electronic speed controllers, whilst the compact dimensions mean the battery fits perfectly into tight spaces within your RC model. With Spektrum's commitment to quality and safety standards, you can be confident that your RC car UK setup will benefit from genuine, authorised Spektrum technology backed by years of engineering excellence.
Key Features
- 30C Continuous Discharge Rate — The 30C maximum continuous discharge rate means this battery can deliver sustained high-current output for intense driving sessions, providing the explosive power your Losi Micro-B needs for rapid acceleration, quick directional changes, and aggressive racing manoeuvres without voltage sag.
- 7.4V 2S LiPo Configuration — With two series-connected 3.7V lithium polymer cells, this battery delivers the optimal voltage for small-scale RC vehicles, providing the perfect balance between power output and component compatibility across modern RC car electronics.
- 350mAh Capacity — The 350mAh capacity offers an ideal power-to-weight ratio for micro-scale vehicles like the Losi Micro-B, delivering sufficient runtime for extended play sessions whilst remaining lightweight enough to maintain optimal vehicle performance and handling.
- PH2.0 Ultra Micro High-Current Connector — The PH2.0 connector is specifically engineered for high-current applications in ultra-micro RC vehicles, providing secure, reliable connections that prevent accidental disconnection during aggressive driving whilst maintaining excellent electrical conductivity.
- Compact Lightweight Design — Measuring just 36mm in length, 27mm in width, and 11mm in height, and weighing only 18g, this battery delivers exceptional power in an incredibly compact package that minimises the impact on your vehicle's weight distribution, centre of gravity, and overall performance characteristics.
- 3C Maximum Charge Rate — The 3C maximum charge rate allows safe, efficient charging without compromising battery lifespan, meaning you can recharge your battery quickly between sessions whilst maintaining the long-term durability and cycle life that Spektrum LiPo batteries are renowned for.
- Superior Output and Reliability — Spektrum LiPo batteries are engineered to exceed expectations with cutting-edge technology that delivers consistent, reliable power throughout your driving sessions, backed by rigorous quality control and safety standards recognised across the UK RC hobby community.
- Advanced Safety Focus — With their advanced design philosophy prioritising both maximum performance and user safety, these batteries incorporate modern lithium polymer safety features that protect against over-discharge, over-charge, and short circuits, giving you peace of mind during extended play sessions.
Technical Performance
The Spektrum 7.4V 350mAh 2S 30C LiPo Battery represents the pinnacle of power delivery engineering for ultra-micro scale RC vehicles. With a 30C continuous discharge rate, this battery can safely deliver 10.5 amps of sustained current, providing the explosive power needed for competitive racing and aggressive off-road driving. The 2S configuration (two cells in series) produces the 7.4V nominal output that modern electronic speed controllers and receiver systems demand, whilst the 350mAh capacity ensures adequate runtime without excessive weight penalties. At just 18 grams, the battery's lightweight construction is absolutely critical for micro-scale vehicles like the Losi Micro-B, where every gram impacts acceleration, handling responsiveness, and overall performance. The PH2.0 connector utilises high-current ultra-micro connectors specifically designed for demanding micro-scale applications, ensuring reliable power delivery even during intense acceleration bursts. The battery's physical dimensions of 36mm × 27mm × 11mm allow it to fit seamlessly into the compact battery compartments found in small-scale RC cars. The 3C maximum charge rate (1.05A charging current) ensures safe, efficient battery charging that preserves long-term cycle life and maintains the battery's capacity over hundreds of charge cycles. Built with genuine lithium polymer cells, this battery delivers the consistent voltage output and power curve that serious UK RC enthusiasts depend on for reliable, predictable vehicle performance across varying driving conditions and ambient temperatures.
What's in the Box
- 1 × Spektrum 7.4V 350mAh 2S 30C LiPo Battery with PH2.0 connector
Frequently Asked Questions
- Is the Spektrum 7.4V 350mAh 2S LiPo Battery suitable for beginners? — Yes, this battery is excellent for beginners seeking a ready to run RC car power solution. The compact size, straightforward PH2.0 connector, and Spektrum's reputation for safety and reliability make it an ideal choice for newcomers to the RC hobby. The 350mAh capacity provides sufficient runtime for learning sessions without overwhelming beginners with complex charging requirements, whilst the 30C discharge rate ensures forgiving performance characteristics that won't punish driving mistakes with dramatic voltage sag.
- What RC vehicles is this battery designed for? — Spektrum specifically engineered this 7.4V 350mAh 2S 30C battery for the Losi Micro-B micro-scale RC buggy. The dimensions and connector type are optimised for this vehicle platform, though the battery may be compatible with other ultra-micro scale vehicles featuring PH2.0 connectors and 2S LiPo battery compatibility. Always verify connector and voltage compatibility before using with vehicles other than the Losi Micro-B.
- How long does the battery take to charge? — With a maximum charge rate of 3C (1.05A), you can fully charge this 350mAh battery in approximately 20 minutes using a compatible LiPo charger set to 3C charging. For longer battery lifespan and safety, many users prefer charging at 1C (350mA) or lower rates, which would take approximately one hour. Always use a charger specifically designed for lithium polymer batteries, with low-voltage cutoff protection and individual cell balancing capabilities.
- What charger do I need for this battery? — You'll require a dedicated lithium polymer battery charger that supports 2S LiPo charging with individual cell balancing capabilities. The charger must be capable of delivering at least 1 amp of charging current for reasonable charging times, and ideally should feature low-voltage protection to prevent over-discharging. Popular options include Spektrum S120 or higher-capacity multichemistry chargers available at RC Model Shop.
- What is the runtime of this battery? — Runtime depends on driving style, terrain, and the total weight of your vehicle. For the Losi Micro-B, typical runtime ranges from 10-15 minutes under aggressive racing conditions to 20+ minutes during casual cruising. The actual runtime will vary based on factors including ambient temperature, battery age, and discharge rate demands.
- Can I use this battery with other RC cars? — Only if your vehicle features a PH2.0 connector and is designed for 2S LiPo (7.4V) battery systems. Attempting to use this battery with vehicles designed for different voltages or connectors will damage your vehicle's electronics. Always verify compatibility before connecting this battery to any RC vehicle.
- How should I store this battery? — For extended storage, Spektrum LiPo batteries should be stored in a cool, dry place at approximately 50% charge state (around 3.85V per cell). Store in a fireproof container if possible, away from flammable materials. Never store fully charged or fully discharged, and check the battery monthly to ensure it maintains proper storage voltage.
- What makes Spektrum LiPo batteries different from other brands? — Spektrum batteries are engineered with rigorous quality control, genuine lithium polymer cells, and advanced safety features that have earned recognition across the UK RC community. Spektrum's commitment to reliability, consistent power delivery, and safety standards means you're investing in a battery that will deliver dependable performance across hundreds of charge cycles, backed by the authorised Spektrum warranty and support network.
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 7.4V 350mAh 2S 30C LiPo Battery: PH2.0 O-SPMX-1090 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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