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SPM 7.4V 5000mAh 2S 100C Smart G2 Hardcase LiPo Battery: IC3 O-SPMX52S100H3

Model No: SPMX52S100H3


Dispatched Within 3 Working Days

£79.99

£8.00

£71.99

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1 Year Warranty
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Overview

Drivers enjoy even more Smart advantages when using Spektrum Smart G2 100C LiPo batteries to power their vehicles. New "Generation 2" features make these LiPo packs — featuring a 100C continuous discharge rating for high performance and longevity — even simpler and safer to use together with your Smart charger.

For example, Spektrum Smart G2 technology makes it much easier to balance charge your LiPo batteries. Balancing information travels through the unique data wire of each Smart G2 battery's innovative IC3® or IC5® connector. As a result, only a single connection is needed — no separate balance lead is required.

Smart G2 batteries come from the factory programmed to discharge automatically to a safe storage voltage of 3.90V after 72 hours of inactivity. The benefits include longer battery life, better performance over the life of the pack, and the peace of mind that comes from knowing your Smart battery is maintenance-free. You can change the battery's Auto Storage settings based on your own preferences. G2 batteries also offer a storage discharge rate that's three times faster than the previous G1 Smart batteries.

Smart G2 30C soft-case LiPo packs also include thicker internal metal side plates. These plates improve heat dissipation and provide more protection for the cells against punctures during rough landings or in similar impact-prone situations.

As with other Smart batteries, you'll never have to set your own charging preferences for a Spektrum Smart G2 battery until you want to. When a Smart G2 LiPo battery is connected to a Spektrum Smart charger, its unique charging parameters and health information upload to the charger from the battery's integrated memory microchip. Through the charger you can view and set preferences such as charge rates, so all that's required to charge the pack is connecting it to your Smart charger. Smart technology takes care of the rest.

Spektrum Smart G2 100C LiPo batteries store a wide variety of essential information, including:

  • Battery Brand
  • Battery Type
  • Battery Capacity
  • Battery C Rating
  • Individual Cell Voltage
  • Battery Temperature
  • Charge/Discharge Cycles

Spektrum Smart G2 LiPo 100C batteries also maintain an error log including the number of over-heat, over-discharge and over-charge incidents. This data can be helpful in assuring that the battery you've chosen is right for the application. Innovative Spektrum Smart G2 LiPo 100C batteries are so easy to use, they nearly take care of themselves. It's easy to achieve peak battery performance, reliability and longevity with Smart G2 technology!

Note: G2 batteries require the use of a Spektrum G2 Smart Charger or earlier Smart Charger with G2 update.

Features

  • Simpler and safer to use
  • Powerful 100C continuous discharge rating to deliver maximum performance and longevity
  • 100C battery packs are available in a variety of capacities and cell counts that are perfect for almost any application
  • Balance charge through the IC3® or IC5® connector data wire — with only one connection, no balance lead required
  • Faster Auto Discharge at up to 1.5A to safe storage voltage for long battery life and improved performance
  • Thicker internal metal side plates protect cells and improve heat dissipation
  • Integrated microchip stores unique parameters for each battery
  • IC3® and IC5® connectors are also compatible with EC3 and EC5 styles
  • Spektrum G2 Smart Charger required (or earlier Smart Charger with G2 update)
Smart Battery Technology — One Smart Connection
Smart Battery Technology — One Smart Connection

When connected to a Spektrum Smart charger, a Smart G2 battery's unique parameters, health, and balancing information upload automatically from its memory microchip through the IC3® or IC5® connector's data wire. To charge and balance the pack, you simply connect it to your Smart charger. Safe charging begins automatically, and no separate balance lead is needed.

 

Data Rich
Data Rich

An integrated microchip allows each Smart G2 battery to save vital information such as battery brand, chemistry, cell count, capacity, number of charging cycles, number of discharges, C rating, battery temperature, and internal resistance. Additionally, each battery will save a log of unhealthy events such as over-charge, over-discharge, and over-temperature. This allows you to make the most informed decision about each battery when you are getting your gear ready to go out and have fun.

 

Smart Auto Storage Discharge
Smart Auto Storage Discharge

Spektrum Smart G2 batteries practically take care of themselves. G2 batteries come from the factory programmed to automatically discharge to a safe storage voltage of 3.90V after 72 hours of inactivity. The results are longer battery life, better performance over the life of the pack and peace of mind that your Smart battery comes maintenance-free. The battery's Auto Storage settings can be changed by the user based on preferences.

 

Simple and Quick
Simple and Quick

Preset charge, discharge, and storage parameters are automatically relayed from your Spektrum Smart G2 battery to your Smart charger, making charging as simple as plugging in the pack. Charge rate of individual batteries can also be user-customized, allowing you to take full advantage of packs with faster charge ratings. The battery's integrated microchip remembers the last charging rate you set, so the next time you plug it in, these settings will automatically take effect.

 

IC3<sup>®</sup> and IC5<sup>®</sup> Connectors
IC3® and IC5® Connectors

The innovative Smart connection is made possible by a microchip installed in every battery, which feeds the battery's unique information through a data cable to its IC connector. Spektrum Smart IC3® and IC5® connectors have been designed from the ground up to provide a more solid connection, higher heat resistance, and effortless installation. IC connectors are also backwards compatible with EC connectors so you can use Smart batteries with older systems. Smart G2 batteries can be charged only with Smart chargers.

 

100C Performance
100C Performance

Spektrum Smart G2 100C LiPos come in a variety of popular sizes and are ready to drop into your RC car or boat for maximum performance, power, and reliability. These battery packs are a great upgrade for those looking to get more punch and off the line power on nearly any setup.

 

Overview

The Spektrum 7.4V 5000mAh 2S 100C Smart G2 Hardcase LiPo Battery represents the latest generation of intelligent battery technology for RC enthusiasts across the UK. Whether you're powering an RC car, truck, boat or other RC vehicle, this high-performance LiPo battery delivers the reliability and smart features that modern RC hobbyists demand. Spektrum's Smart G2 technology takes the guesswork out of battery charging and maintenance, making it an excellent choice for both experienced RC car UK competitors and weekend bashers alike.

Drivers and pilots enjoy significantly more advantages when using Spektrum Smart G2 100C LiPo batteries to power their vehicles compared to traditional battery systems. The new "Generation 2" features make these LiPo packs — featuring an impressive 100C continuous discharge rating for maximum high performance and exceptional longevity — even simpler and safer to use together with your Smart charger. The integrated microchip technology remembers everything about your battery, automatically uploading crucial charging parameters and performance data to compatible Spektrum Smart chargers, eliminating the need for manual configuration.

One of the most revolutionary aspects of this ready to run RC battery is the elimination of the separate balance lead. Spektrum Smart G2 technology makes it substantially easier to balance charge your LiPo batteries by transmitting all balancing information through the unique data wire of the battery's innovative IC3 connector. As a result, only a single easy connection is needed — no balance lead required. This simplified connection method means faster setup times and fewer compatibility concerns when you're preparing your RC equipment for action.

Key Features

  • 100C Continuous Discharge Rating — This exceptional discharge rate delivers maximum performance and longevity, providing the sustained power output needed for aggressive RC driving, racing, and high-demand applications. The 100C rating means the battery can safely discharge at 500 amps continuously (100 times the 5000mAh capacity), making it suitable for performance-orientated RC vehicles across the UK market.
  • Smart G2 Intelligent Technology — Each battery contains an integrated microchip that stores and uploads unique parameters automatically to Spektrum Smart chargers, including battery brand, type, capacity, cell count, C rating, temperature data, and comprehensive charge and discharge cycle history. This automation means you never have to manually input charging preferences — the battery tells your charger exactly what it needs.
  • Single IC3 Connection with No Balance Lead — Revolutionary Smart G2 balancing information travels through the unique data wire of the IC3 connector, eliminating the need for a separate balance lead entirely. This design provides one simple, reliable connection point that's faster to set up and more convenient than traditional multi-connector systems, whilst remaining backwards compatible with EC3 connectors for older systems.
  • Automatic Storage Discharge Function — Smart G2 batteries come factory-programmed to automatically discharge to a safe storage voltage of 3.90V after just 72 hours of inactivity, which is three times faster than previous G1 Smart batteries. This self-maintenance feature delivers longer overall battery life, better performance over the lifespan of the pack, and the peace of mind that your Smart battery remains in optimal condition without requiring user intervention.
  • Hardcase Protection — The durable hard case design protects your battery during transport, storage, and rough RC driving conditions. Combined with thicker internal metal side plates, the hardcase provides superior heat dissipation and additional protection for the cells against punctures during aggressive landings or impact-prone situations common in RC racing and bashing.
  • Data-Rich Battery Monitoring — The integrated microchip records vital information including charge and discharge cycle counts, battery temperature during operation, and an error log tracking over-heat, over-discharge, and over-charge incidents. This comprehensive data history helps you make informed decisions about battery performance and suitability for your specific RC applications.
  • Customisable Auto Storage Settings — Whilst the battery arrives pre-programmed with intelligent factory defaults, you can change the Auto Storage discharge preferences based on your own requirements and usage patterns, giving you complete flexibility over how your battery maintains itself during periods of non-use.
  • Maximum Charge Rate of 5C — This battery supports fast charging at rates up to 5C (25 amps), though the standard recommended charge current is 5 amps at 1C rate, allowing you to charge quickly when needed whilst maintaining battery health when using standard charging parameters.
  • Integrated Charge Protection Circuitry — Built-in protection prevents overcharging, over-discharging, and excessive temperatures, providing multiple layers of safety for your RC setup and ensuring reliable operation without the risk of battery damage from electrical faults.

Technical Performance

This Spektrum Smart G2 LiPo battery delivers outstanding technical specifications engineered for serious RC enthusiasts. The 7.4V nominal voltage across two cells (2S configuration) combined with the 5000mAh capacity produces 37 watt-hours of energy storage. The exceptional 100C continuous discharge rating means this battery can reliably deliver maximum sustained power for high-performance RC cars, trucks, and boats throughout the UK. Weighing 315 grams (11.11 ounces), the battery features compact dimensions of 138mm length, 46mm width, and 25mm height, making it suitable for most modern RC vehicle designs. The 12 AWG wire gauge provides appropriate current carrying capacity whilst maintaining flexibility. The thicker internal metal side plates aren't just about protection — they actively improve thermal management and heat dissipation during intense driving sessions, helping maintain optimal cell voltage under load. The hardcase construction uses durable materials designed to withstand the rigours of competitive RC racing and weekend bashing alike. The maximum burst discharge rate reaches 100C, providing explosive acceleration and responsive handling characteristics. Spektrum's intelligent IC3 connector technology, also backwards compatible with EC3 connectors, ensures reliable connections with minimal resistance that maintains voltage stability throughout your driving session. Unlike traditional LiPo batteries, this Smart G2 pack integrates a sophisticated microchip that monitors internal resistance, cell voltage balance, and temperature data in real-time, uploading this information to Smart chargers for optimised charging algorithms.

What's in the Box

  • One Spektrum 7.4V 5000mAh 2S 100C Smart G2 Hardcase LiPo Battery with IC3 connector
  • Integrated IC3 data connector with smart technology microchip

What You Need to Complete

  • Spektrum Smart G2 compatible charger (or earlier Spektrum Smart Charger with G2 firmware update) — required to charge and utilise all Smart battery features
  • RC vehicle or device compatible with 7.4V 2S LiPo batteries and IC3 connectors (or EC3 compatible devices)

Frequently Asked Questions

  • Can I use a Spektrum Smart G2 100C LiPo battery with my existing RC car charger? — Smart G2 batteries require a Spektrum G2 Smart Charger or an earlier Spektrum Smart Charger that has received the G2 firmware update to access all intelligent features. Whilst the battery features an IC3 connector that's backwards compatible with EC3 connectors, you must use a compatible Smart charger to benefit from automatic parameter loading and the intelligent charging algorithms these batteries are designed to work with. If you don't have a compatible Smart charger, you'll need to purchase one separately.
  • What makes the Smart G2 100C battery better than standard LiPo batteries? — Unlike standard LiPo batteries, this Spektrum Smart G2 pack stores comprehensive data about itself and automatically communicates with compatible Spektrum chargers. The 100C continuous discharge rating provides superior power delivery compared to lower-rated packs, the hardcase offers better physical protection, and the intelligent auto-discharge function means your battery maintains optimal charge levels during storage without requiring manual intervention. The integrated microchip also tracks performance data including charge cycles, temperature history, and any stress events, helping you understand your battery's health and lifespan.
  • How long does the battery take to charge? — Charging time depends on your charger model and selected charge rate, but at the standard 5-amp charge current (1C rate), you can expect approximately one hour to fully charge this 5000mAh battery. The battery supports maximum charge rates up to 5C (25 amps), which would provide faster charging if your charger and power supply support it, though charging at 1C is recommended for optimal battery longevity.
  • Is this battery suitable for beginners in the RC hobby? — This is an excellent battery choice for UK RC enthusiasts of any experience level, particularly if you have access to a Spektrum Smart charger. The intelligent features actually make it easier for beginners because the charger automatically knows exactly what the battery needs — no complex manual configuration required. The comprehensive safety features including charge protection circuitry and temperature monitoring provide confidence during initial use. However, you will need a compatible Smart charger, and you should familiarise yourself with basic LiPo battery safety practices including proper storage, handling, and never leaving a charging battery unattended.
  • How does the auto-discharge feature work? — After 72 hours of inactivity, the battery automatically discharges itself to a safe storage voltage of 3.90V per cell (7.8V total for this 2S pack) at a rate up to 1.5A. This process is three times faster than previous G1 Smart batteries, which means your battery reaches optimal storage voltage more quickly. You can customise these settings through your Spektrum Smart charger if you prefer different discharge timing or voltage targets for your specific needs.
  • Can I use this battery with my older RC car that has an EC3 connector? — Yes, the IC3 connector on this Smart G2 battery is backwards compatible with older EC3 connectors, so it will physically connect to EC3-equipped vehicles. However, to charge the battery and access its Smart features, you still need a compatible Spektrum Smart charger. Using it with an older EC3 system means you won't benefit from the intelligent charging features, but the battery will function normally for powering your RC vehicle.
  • What is the difference between the Smart G2 100C battery and earlier Smart battery generations? — The G2 generation improvements include a storage discharge rate that's three times faster than G1 batteries (full discharge in approximately 2 days rather than 6), thicker internal metal side plates for improved heat dissipation and cell protection, enhanced microchip technology for more detailed data tracking, and the elimination of separate balance leads through intelligent IC3 connector data transmission. The 100C discharge rating also provides superior power delivery compared to lower-rated packs, making these batteries suitable for more demanding RC applications.
  • What safety features does this battery include? — This Smart G2 battery includes integrated charge protection circuitry preventing overcharging, over-discharging, and over-temperature conditions. The comprehensive microchip monitoring tracks temperature during operation and maintains an error log of any stress events including over-heat, over-discharge, and over-charge incidents. Additionally, the intelligent auto-discharge feature prevents cells from sitting at dangerously high voltages during storage, and the hardcase design provides physical protection against punctures and physical damage.

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 5000mAh 2S 100C Smart G2 Hardcase LiPo Battery: IC3 O-SPMX52S100H3 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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