VZ0311EC3

Overview

The Voltz 4200mAh 2S 40C 7.4V LiPo Stick Pack with EC3 connector is an exceptional choice for RC enthusiasts looking to power their radio control vehicles with reliable, affordable performance. Whether you're running an RC car in the UK, exploring ready to run RC models, or maintaining a collection of electric RC vehicles, this LiPo battery delivers the balanced blend of punch and runtime that keeps your RC hobby enjoyable and affordable. The Voltz brand has established itself as a trusted name in RC power solutions, offering great LiPo power at even better prices without compromising on performance or build quality.

This stick-pack format battery is purpose-built for RC applications where dependable performance matters. The 4200mAh capacity combined with a 40C maximum continuous discharge rate ensures consistent power delivery across a wide range of RC vehicle types, from nimble buggies to heavier rock crawlers. The compact dimensions of just 137 x 47 x 25mm mean this battery will fit into most modern RC car chassis without requiring extensive modifications, making it an ideal choice for upgrading or replacing worn batteries in your existing fleet.

The EC3 connector has become a standard in the RC industry, ensuring compatibility with thousands of RC models and setups across the UK and worldwide. If you're searching for a reliable 2S LiPo battery for your RC vehicle, or looking to expand your battery collection with a proven performer that won't break the bank, the Voltz 4200mAh represents excellent value for both seasoned competitors and weekend bashers alike.

Key Features

• 4200mAh Capacity — This substantial capacity provides excellent runtime for extended RC sessions, allowing you to enjoy longer driving periods before requiring a recharge, whether you're on a track, bashing in the park, or exploring technical terrain.
• 2S (7.4V) Configuration — The two-cell series arrangement delivers a nominal voltage of 7.4 volts, which is the standard for countless RC cars, trucks and buggies available in the UK market, ensuring broad compatibility across your RC collection.
• 40C Maximum Continuous Discharge — This discharge rate provides plenty of current delivery for demanding applications, supporting everything from high-performance racing rigs to powerful brushless setups that require consistent power under load.
• 31.08Wh Energy Rating — The watt-hour capacity indicates total energy storage, giving you a clear measure of how much driving time you can expect and helping you compare this battery against alternatives when selecting power for your RC vehicle.
• EC3 Output Connector — The EC3 connector is widely recognised across the RC hobby and provides secure, reliable connections that prevent accidental disconnection during aggressive driving, keeping your RC experience uninterrupted.
• Round/Oval Stick-Pack Case Design — The proprietary Voltz case shape is engineered to fit standard mounting positions in contemporary RC chassis, delivering compact packaging that doesn't compromise on internal space or require custom holders.
• Hard Case Protection — The durable hard case guards the internal LiPo cells against physical damage, short circuits and puncture hazards, extending battery life and ensuring safe operation across varied RC environments.
• Proven Voltz Quality — Voltz has built a solid reputation in the RC community for delivering batteries that balance performance with affordability, making this 4200mAh pack a trusted choice for drivers across the UK who want reliability without excessive cost.

Technical Performance

The Voltz 4200mAh 7.4V 40C LiPo battery is engineered to deliver consistent performance across a broad spectrum of RC applications. The 40C continuous discharge rating means this battery can safely deliver up to 168 amps of current (4200mAh × 40C = 168A), making it suitable for everything from mid-range brushless motors to demanding racing configurations. The 31.08 watt-hour energy specification translates to practical run times typically ranging from 10 to 20 minutes depending on your specific RC vehicle's weight, motor efficiency, driving style and terrain. The 7.4V nominal voltage of this 2S pack positions it as the ideal power solution for the enormous range of RC cars and trucks designed around this standard voltage, which represents the most popular LiPo configuration in UK RC shops and clubs. Construction quality matters in LiPo batteries, and Voltz delivers with a hard protective case that houses the individual cells safely, preventing external damage whilst maintaining the precise dimensions needed for fitment in contemporary RC chassis. The EC3 connector is rated for the full 168-amp capability of this pack, ensuring that the connection point never becomes a bottleneck during high-performance driving. Whether you're enjoying casual weekend bashing with a brushed motor setup or pushing harder with brushless power, this battery's 40C rating provides ample headroom for safe operation with appropriate electronic speed controllers (ESCs).

What's in the Box

• 1 × Voltz 4200mAh 2S 7.4V 40C LiPo Battery Pack with EC3 Connector

Frequently Asked Questions

• Is this 4200mAh LiPo battery suitable for beginners? — Absolutely. The Voltz 4200mAh is an excellent starter battery because it offers reliable performance without premium pricing. Beginners benefit from the straightforward EC3 connector, proven Voltz quality, and the balanced power delivery that works well with entry-level brushed motors and ESCs. The 4200mAh capacity provides sufficient runtime for learning sessions without requiring constant recharging.
• What vehicles is this 2S 7.4V battery compatible with? — This 7.4V 2S battery is compatible with any RC car, truck, buggy or crawler designed to accept 2S LiPo packs with an EC3 connector. This includes countless models from major UK manufacturers and brands. Always verify your vehicle specifications before purchase, but the 137 x 47 x 25mm dimensions and EC3 standard make this battery compatible with the vast majority of contemporary electric RC vehicles.
• How long does this battery take to charge? — Charge time depends entirely on your charger's output current and specifications. Using a quality RC battery charger set to the appropriate current (typically 2-4 amps for a 4200mAh battery), you can expect full charge times of 60 to 120 minutes. Always use a charger specifically designed for LiPo batteries to ensure safe, efficient charging.
• What does the 40C rating mean and why does it matter? — The 40C rating indicates the maximum continuous discharge rate, meaning this battery can safely deliver up to 168 amps of current continuously. A higher C-rating provides headroom for demanding driving without stressing the battery, extending its lifespan and improving performance consistency. For most RC cars and trucks in the UK hobby market, 40C is an excellent practical rating that balances power delivery with cost-effectiveness.
• Can I use this battery with my current RC car? — If your RC car accepts 2S LiPo batteries with EC3 connectors, then yes. The Voltz 4200mAh will work perfectly. Check your vehicle's documentation or contact the manufacturer to confirm voltage and connector compatibility. The compact 137 x 47 x 25mm dimensions accommodate most contemporary chassis designs without modification.
• How does this Voltz battery compare to other brands? — Voltz has established itself as a trusted value brand that delivers solid performance without premium pricing. Whilst some branded batteries may offer higher discharge rates or marginal performance advantages, the Voltz 4200mAh 40C represents genuinely excellent value for money, making it ideal for drivers who want proven reliability without paying top-tier prices for marginal performance gains.

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 VOLTZ 4200mah ROUND/OVAL CASE 2S 40C 7.4V LIPO STICK PACK - EC3 VZ0311EC3 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.