C-51020-UK

Overview

The Corally Racer 50 AC 50W 2-4S Balance Charger (C-51020-UK) is a compact, powerful mains-powered battery charger specifically engineered for RC enthusiasts who demand reliability and speed. Whether you're a seasoned RC racer in the UK or someone just discovering the world of electric RC cars and trucks, this AC fast charger delivers professional-grade charging performance in a portable package. Designed to support the full range of 2-4 cell LiPo and LiHV batteries commonly used in modern RC vehicles, this charger has become an essential piece of equipment for anyone serious about maintaining their battery fleet and keeping their RC models running at peak performance.

The Racer 50 AC charger is purpose-built for convenience and safety, combining a compact form factor with intelligent charging technology that removes the guesswork from battery management. At just 107mm long, 75mm wide and 35mm tall, weighing only 169 grams, this charger is small enough to pack into any RC toolkit, workshop, or transport case without taking up valuable space. Yet despite its diminutive size, it packs a serious punch with its 50W maximum charge power and advanced battery detection systems that make it equally at home in a competitive racing environment or a casual backyard bashing session with friends.

Built with the UK RC community in mind, the C-51020-UK version operates from standard mains power with universal AC input voltage support of 100-240V, making it compatible with British electrical outlets and suitable for use anywhere in Europe. This versatility, combined with its intelligent safety features and genuine Corally engineering, makes the Racer 50 one of the most practical chargers available to RC car UK enthusiasts looking for a reliable, no-nonsense charging solution.

Key Features

• AC Fast Charger Technology — Unlike basic trickle chargers, this device delivers a full 50W of charging power directly from mains electricity, meaning your LiPo and LiHV batteries recharge dramatically faster than with traditional 12V power supplies, getting you back to racing or bashing in minimal time.
• Universal Mains Power Input (100-240V AC) — The wide input voltage range ensures compatibility with UK mains sockets and international power sources, so whether you're at home in Walsall or travelling abroad with your RC gear, you can charge your batteries anywhere without needing voltage converters or additional equipment.
• Automatic Cell Detection — The charger automatically detects whether you're charging 2-cell, 3-cell, or 4-cell LiPo or LiHV batteries, eliminating the risk of selecting the wrong cell count and potentially damaging your battery pack; this intelligent feature brings genuine peace of mind, especially valuable for beginners new to battery charging.
• Auto-Start Function — Once you've selected your preferred charge current and connected your battery, the charger automatically begins the charging cycle without requiring manual button presses, streamlining your workflow and reducing the chance of human error during the charging process.
• Selectable Charge Current (0.5A, 1A, 2A, 4A) — Different battery packs and charging scenarios demand different current levels; this charger offers four selectable options allowing you to charge conservatively at 0.5A for battery longevity and safety, or aggressively at 4.0A for the fastest possible charge times, giving you complete control over your charging strategy.
• Integrated Balance Charging at 500mA — Every battery pack has individual cells that drift in voltage over time; the 500mA balance current ensures all cells in your 2-4S pack charge to identical voltages, extending battery lifespan significantly and maintaining optimal performance for consistent lap times and driving characteristics.
• Real-Time Charge Status Indicator — LED indicators provide instant visual feedback on charging progress and completion status, so you always know exactly where your battery stands without needing to unplug it or consult a manual.
• XT60 Connector Direct Compatibility — If your batteries feature the industry-standard XT60 connector, they connect directly to the charger with no adapters required; however, the retailer notes that batteries with alternative connectors such as Deans or EC3 will require a suitable adapter (sold separately).
• Multiple Integrated Safety Protections — The charger incorporates three critical safety systems: over-current protection prevents excessive current draw that could damage batteries or the charger itself, over-voltage protection guards against voltage spikes that might destroy sensitive LiPo cells, and short-circuit protection immediately cuts power if a connection fault is detected, giving you complete confidence in safe operation.
• Reverse Polarity Protection — If you accidentally connect a battery pack with reversed polarity, this protection system prevents the charger from operating, protecting both your battery and the charger from damage that would otherwise occur instantly.
• Low Input Voltage Protection — If your mains supply dips below safe operating levels, the charger automatically disables itself, preventing incomplete charging cycles or potential hazards associated with unstable power input.

Technical Performance

The Corally Racer 50 AC charger represents excellent engineering specifically optimised for the modern RC car and truck market in the UK. With a maximum charge power output of 50W delivered across a single balanced charge port, this charger handles the latest generation of 2-4S LiPo and LiHV battery packs with ease. The intelligent charging architecture automatically identifies whether your battery is a 2-cell, 3-cell, or 4-cell configuration, eliminating the manual setup steps that plague older charger designs. The balance charging circuit operates at a constant 500mA, meaning it can safely and effectively balance any 2-4S pack regardless of individual cell conditions. The four selectable charge currents (0.5A, 1A, 2A, and 4A) provide flexibility for different scenarios: conservative 0.5A charging for delicate battery preservation, moderate 1A charging for balanced speed and safety, aggressive 2A charging for faster turnaround, or maximum 4A charging for the fastest possible recharge times before your next track session or bashing adventure. The compact design measures just 107 x 75 x 35 millimetres and weighs a mere 169 grams, making it genuinely portable without sacrificing power delivery. The LED indicator system provides clear, real-time feedback on charging progress, whilst the built-in thermal protection guards against overheating during extended charge sessions. The combination of automatic cell detection, auto-start functionality, integrated balance charging, and comprehensive safety systems makes this charger suitable for competitive racers who demand reliability, weekend RC enthusiasts enjoying casual bashing with friends, and newer hobbyists discovering electric RC cars, trucks, and buggies for the first time.

What's in the Box

• Corally Racer 50 AC mains-powered balance charger (C-51020-UK)
• Power lead with UK mains plug
• User manual with multilingual instructions

What You Need to Complete

• 2-4S LiPo or LiHV battery pack with XT60 connector (or alternative connector with appropriate adapter)
• If your batteries use Deans, EC3, or other non-XT60 connectors, you will need to purchase a suitable XT60 adapter cable separately

Frequently Asked Questions

• Is the Corally Racer 50 AC charger suitable for beginners new to RC? — Absolutely. This charger is one of the most beginner-friendly balance chargers available because it automatically detects your battery's cell count (no manual selection required), features auto-start functionality (no confusing button combinations), and integrates all necessary safety protections (over-current, over-voltage, short-circuit, and reverse polarity). The LED charge status indicators provide clear feedback, and the comprehensive manual includes straightforward instructions. For newcomers to RC car and truck hobbies in the UK, this removes much of the complexity and guesswork from battery charging.
• What 2S, 3S and 4S LiPo batteries does this charger work with? — The Racer 50 AC charger is explicitly designed to charge any LiPo or LiHV battery with 2 cells (7.4V nominal), 3 cells (11.1V nominal), or 4 cells (14.8V nominal). It automatically detects the cell count when you connect your battery, so you never need to manually select the voltage. This makes it compatible with the vast majority of modern electric RC vehicles including small basher cars, 1/10-scale racing buggies, 1/10-scale stadium trucks, and many 1/8-scale models. However, the charger does not support 5S or higher cell count batteries.
• What is the charge time for a typical RC battery pack? — Charge time depends on both your battery capacity (measured in milliamp-hours or mAh) and your selected charge current. As a practical example, a common 5400mAh 3S LiPo battery charged at 2A would take approximately 2.5-3 hours to fully charge (accounting for the balance charging phase which operates at slightly lower speeds). Charging at 4A would complete in roughly 1.5-2 hours, whilst charging at the conservative 0.5A rate might take 10-12 hours but would provide maximum battery longevity. The Racer 50's 50W power limit is more than sufficient for these typical scenarios, making charge times reasonable for recreational and competitive RC enthusiasts alike.
• Does the Corally Racer 50 AC require batteries, or does it plug into mains power? — This is a mains-powered AC charger designed exclusively for use with UK and European electrical outlets (100-240V AC, 50Hz). It does not require any external 12V power supplies, battery packs, or vehicle electrical systems. You simply plug it into any standard UK mains socket and it immediately operates with full 50W charging capability. This is a significant advantage over 12V-powered chargers which require external power supplies or car batteries.
• What connectors does the Racer 50 AC charger use? — The charger features a single XT60 connector balanced charge port, which is the industry-standard connector type found on most modern Corally, Team Corally, Traxxas, ARRMA, Losi, FTX and many other RC vehicles. If your batteries use alternative connectors such as Deans (also called T-connectors), EC3, JST or Tamiya, you will need to purchase a suitable XT60 adapter cable separately. The retailer notes this in their important documentation.
• Is this charger waterproof or suitable for outdoor use? — No, the Racer 50 AC is strictly an indoor charger designed for use in dry environments. It must not be exposed to rain, moisture, puddles, or splashing water. Always charge your batteries indoors in a clean, dry space. The charger features no waterproofing rating and using it in wet conditions would create electrical hazards and damage the device permanently.
• Can this charger discharge batteries? — No, the Racer 50 AC is a charge-only device. It does not feature discharge functionality for storage mode or battery reconditioning. If you need to discharge batteries before storage or for balancing purposes, you will need a separate dedicated discharger or a multi-function charger with built-in discharge features.
• How does the balance charging feature work and why is it important? — During normal use, individual cells within your LiPo battery pack accumulate small voltage imbalances. The Racer 50's integrated balance charging system operates at 500mA and connects to each cell individually via the battery connector. This ensures every cell charges to exactly the same voltage level, preventing the dangerous situation where one cell is significantly overcharged whilst others are undercharged. Balance charging dramatically extends battery lifespan (often by 20-30% or more) and maintains consistent performance characteristics that RC racers depend on for competitive lap times. This is why balance charging is considered essential for serious RC enthusiasts.
• What safety features protect my battery and the charger? — The Racer 50 AC incorporates five critical safety systems. Over-current protection prevents excessive current draw that might damage the charger or overheat the battery. Over-voltage protection guards against voltage spikes that could destroy sensitive LiPo chemistry. Short-circuit protection immediately disables charging if a wiring fault or connection problem is detected. Reverse polarity protection prevents operation if you accidentally plug in a battery backwards. Low input voltage protection disables the charger if mains supply dips below safe levels. Together, these systems provide comprehensive protection suitable for both experienced racers and RC beginners.
• Why choose the Corally Racer 50 AC over budget chargers? — Budget chargers often omit critical safety features, use unreliable components, and lack intelligent charging technology. The Racer 50's integrated features—automatic cell detection, auto-start functionality, integrated balance charging, comprehensive safety systems, and precise LED status indicators—deliver genuine peace of mind and protect your investment in expensive battery packs. The 50W charging power is genuinely useful for real RC vehicles, unlike underpowered budget chargers that crawl through charging cycles. For a modest investment over the cheapest alternatives, you gain substantially better reliability, safety, and performance.

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 CORALLY RACER 50 AC 50W 2-4S BALANCE CHARGER C-51020-UK 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.