Quick Fit Check
The CNHL Racing Series 6600mAh 7.4V 2S2P 120C Hard Case LiPo Battery with EC5 Plug is a performance-focused 2S hardcase LiPo battery for RC drivers who want long runtime, strong low-voltage punch, and durable battery protection. With 6600mAh capacity, 7.4V 2S2P voltage, 120C discharge output, 10AWG wire, and an EC5 plug, this pack is a strong choice for RC cars, street bashers, stadium trucks, 2WD builds, ARRMA 223S platforms, and controlled 2S setups where fitment allows.
This battery is best used when your model supports 7.4V 2S LiPo power, has enough tray space for a 139 × 47 × 24mm hardcase pack, can safely handle an approximately 306g battery, and uses an EC5 connector or a compatible IC5-style power input. EC5 and IC5 are commonly searched together in larger RC power systems, but this battery does not provide Spektrum Smart battery data.
Product Specifications
| Capacity |
6600mAh |
| Voltage (S/cell) |
7.4V / 2S / 2 Cell |
| Discharge Rate (Continuous/Burst) |
120C / 240C |
| Output Connector |
EC5 Plug |
| Dimensions (L × W × H) |
139 × 47 × 24mm |
| Weight |
Approx. 306g |
| Charge Rate |
5C Max |
| Balance Connector |
JST-XH |
| Wire Gauge |
10AWG |
| Stock Number |
HC6601202XEC5 |
Core Description
The CNHL Racing Series 6600mAh 2S2P 120C hardcase LiPo battery is designed for RC drivers who want more than a basic 2S pack. It delivers long runtime, strong discharge output, and stable voltage behavior while keeping the driving experience more controlled than a 3S setup.
That makes this battery especially useful for street bashers, 2WD vehicles, stadium trucks, controlled parking-lot driving, young drivers, family sessions, and ARRMA 223S platforms where 2S power can be more predictable than jumping straight to 3S. The 6600mAh capacity adds longer drive time, while the 120C discharge rating helps the vehicle feel responsive under load.
The hardcase shell is also important for surface RC use. It helps protect the cells from tray pressure, chassis movement, impacts, straps, and repeated installation. For RC cars and trucks, a hardcase battery is usually the smarter direction when the tray supports it.
About the CNHL Racing Series
The CNHL Racing Series focuses on strong current output and consistent performance under load. In real driving, that translates to sharper throttle response, better mid-run consistency, and less soft feeling when the vehicle is pushed harder.
Even in a 2S setup, battery quality matters. A high-output 2S pack can make the vehicle feel cleaner, more responsive, and more consistent compared with entry-level batteries that may sag harder during acceleration or repeated throttle changes.
A Smarter 2S Setup for the ARRMA INFRACTION 223S
Not every ARRMA INFRACTION 223S setup needs to jump straight into 3S power. A strong 2S pack like this can make the truck easier to understand and more enjoyable in real-world driving conditions. Instead of fighting for traction all the time, the chassis feels more balanced and predictable.
This 6600mAh 2S hardcase pack works especially well for drivers who want smoother throttle control, longer runs, and a more manageable street-basher feel. It is a practical starting point before stepping into 3S power, especially for new drivers, smaller spaces, rough pavement, and controlled speed practice.
Compare more options here: ARRMA INFRACTION 223S battery collection.
Recommended for ARRMA Freedom Flyer 223S 2S Setup
The CNHL Racing Series 6600mAh 7.4V 2S2P 120C Hard Case LiPo Battery with EC5 Plug is a strong everyday battery choice for the ARRMA Freedom Flyer 223S. The 2S setup keeps the truck easier to control for backyard bashing, young drivers, family sessions, short grass, dirt lots, and controlled wheelie practice.
Compared with the included 2S pack, this higher-capacity hardcase battery is better suited for longer runtime and repeatable bashing sessions. The EC5 plug also makes it a clean match for ARRMA IC5-equipped trucks in many setups, but this battery does not provide Spektrum Smart telemetry data.
For more compatible options, visit our full LiPo Battery for ARRMA Freedom Flyer 223S collection.
2S vs 3S: Why Controlled Power Can Be Better
A 3S battery can make many vehicles faster, but faster is not always better. On street bashers, beginner-friendly trucks, parking-lot setups, and smaller driving areas, 2S power often gives the driver more control and a cleaner learning curve.
This battery keeps the benefits of 2S while improving runtime and output. The 6600mAh capacity supports longer sessions, and the 120C discharge rating helps deliver strong acceleration without the more aggressive traction loss that can come from 3S power in the same chassis.
EC5 Plug and IC5 Search Compatibility Notes
This battery comes with an EC5 plug, a connector format commonly used in larger RC cars and higher-current surface platforms. EC5 and IC5 are often searched together because they appear in similar ARRMA and Spektrum-style power-system discussions.
This battery is not a Spektrum Smart battery and does not provide Smart battery data. If your vehicle uses an IC5-equipped ESC, confirm physical connector fit, polarity, current rating, wire clearance, battery tray fitment, and charging setup before use.
Applications
- ARRMA INFRACTION 223S controlled 2S setup
- ARRMA Freedom Flyer 223S 2S bashing setup
- 1/10 and selected 1/8 RC cars using 7.4V 2S LiPo power
- Street bashers and on-road platforms
- Stadium trucks and 2WD builds
- Backyard bashing, family driving, and young-driver setups
- Drivers who prefer controlled power over aggressive 3S behavior
- EC5 / IC5-style RC power systems where size and connector fitment match
What to Check Before Buying
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Voltage: Your vehicle must support 7.4V 2S LiPo power.
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Connector: This battery uses an EC5 plug. EC5 and IC5 are commonly searched together, but this is not a Spektrum Smart battery.
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Battery size: Confirm your tray can fit 139 × 47 × 24mm.
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Weight: At approximately 306g, this pack should be secured properly and checked for chassis balance.
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Battery retention: Check straps, top hold-downs, side rails, body clearance, and wire exit direction.
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ESC rating: Confirm your ESC and motor are appropriate for 2S LiPo operation.
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Charging: Use a compatible 2S LiPo balance charger with JST-XH balance support.
FAQ
What is this 6600mAh 2S2P hardcase LiPo battery best used for?
It is best used in RC cars, street bashers, stadium trucks, 2WD builds, ARRMA 223S platforms, and controlled 2S setups that need long runtime, hardcase protection, and strong 120C output.
Can this battery work in the ARRMA INFRACTION 223S?
Yes, it is a strong 2S option for the ARRMA INFRACTION 223S if tray size, connector fitment, and battery retention are suitable. It is especially useful for controlled driving, smoother throttle practice, and longer 2S sessions.
Can this battery work in the ARRMA Freedom Flyer 223S?
Yes, it is a strong everyday 2S battery option for the ARRMA Freedom Flyer 223S. It gives longer runtime than smaller packs while keeping the truck easier to control than a 3S setup.
Is a 2S battery still powerful enough?
Yes. With a high discharge rating like 120C, this battery can still deliver strong acceleration, but in a more controllable way than many 3S setups.
Is EC5 the same as IC5?
No. EC5 and IC5 are often searched together because they are used in similar larger RC power systems, but this battery has an EC5 plug and does not include Spektrum Smart battery data.
Why choose a 6600mAh 2S battery?
It provides longer runtime than smaller packs while maintaining stable voltage under load. It is a good choice when you want longer sessions without making the vehicle overly aggressive.
Is hardcase important for RC cars?
Yes. A hardcase helps protect the battery from impacts, tray pressure, chassis movement, and repeated installation during RC car use.
Notice
- Only use a compatible LiPo balance charger designed for 2S LiPo batteries.
- Stop charging immediately if any cell exceeds 4.2V.
- This battery has an EC5 plug, but it is not a Spektrum Smart battery and does not provide Smart battery telemetry.
- Check voltage, connector type, battery tray size, wire clearance, ESC rating, and battery retention before purchase.
- Inspect the battery surface, connector, wires, balance lead, and cell voltage before first use.
- Do not use the battery if it becomes swollen, damaged, overheated, or physically deformed.
- For long-term storage, store the battery at proper storage voltage in a cool and dry place.
- If a new battery does not initially hold full performance, several normal balanced charge and discharge cycles may help stabilize the cells.
- Always follow standard LiPo safety procedures during charging, storage, transport, and use.
