Quick Fit Check
The CNHL Innovation RC Extreme Series 10500mAh 7.4V 2S 120C LiPo Battery with QS8 Plug is a large-format 2S high-capacity battery designed for RC users who want longer runtime, strong current delivery, and a more serious connector setup than standard small-plug packs usually provide. It is best suited to surface RC applications that are already built around a 2S power system and have enough space for a long, high-capacity battery layout.
Before ordering, check four things first: your vehicle should support 2S voltage, the battery area should fit this pack’s dimensions, the power system should match a QS8 connector, and the chassis should be comfortable with a battery weighing about 531g. If those points line up, this battery can be a very strong choice for users who want a longer-running and more heavy-duty 2S setup.
Product Specifications
| Capacity |
10500mAh |
| Voltage (S/cell) |
7.4V / 2S2P / 2-Cell |
| Discharge Rate (Continuous/Burst) |
120C / 240C |
| Output Connector |
QS8 Plug |
| Dimensions (L × W × H) |
164 × 45 × 33 mm |
| Weight |
Approx. 531g |
| Charge Rate |
5C Max |
| Balance Connector |
JST-XH-3P |
| Wire Gauge |
7 AWG |
| Stock Number |
10501202QS8 |
What Makes This 10500mAh 2S Battery Different
Most 2S LiPo batteries are built around everyday RC use, where moderate capacity and a smaller connector are enough. This battery is clearly aimed at a different kind of setup. A 10500mAh 2S LiPo with QS8 is designed for users who want much more runtime and much stronger current handling than an ordinary 2S pack can provide.
The biggest difference is capacity. At 10500mAh, this battery is built for longer sessions and fewer battery changes, which can make a real difference on heavier or more demanding 2S platforms. The second major difference is the QS8 connector and 7 AWG wire, both of which point to a more serious power system than what is typically seen on standard 2S replacement packs.
The 120C discharge rate is also an important part of the story. On high-load 2S setups, weaker batteries can feel soft or inconsistent when the throttle demand goes up. A battery like this is meant for users who want strong current delivery and a pack that still feels authoritative even while staying on 2S voltage.
Applications
This battery is best suited to high-capacity 2S surface RC applications, especially where longer runtime, strong current capability, and a larger-format battery layout are already part of the build plan. It can make sense in modified trucks, endurance-style setups, heavier 2S platforms, and other RC applications where users intentionally choose 2S but still want far more usable energy than a normal pack offers.
Because of its QS8 connector, long case dimensions, and heavier weight, this battery is best viewed as a specialty 2S option rather than a basic replacement battery. It works most naturally in builds where the tray space, connector standard, and overall vehicle balance have already been planned around a large-capacity pack.
That is really the point of this product. It is not trying to be the most universal 2S battery on the shelf. It is designed for users who specifically want a larger, longer-running, higher-current 2S solution.
Part of the CNHL Innovation RC Extreme Series
This battery is part of the CNHL Innovation RC Extreme Series, the most powerful battery platform CNHL has made to date. Built around speedrun-focused power delivery, heavy-duty wire, and QS8 hardware, this series is aimed at advanced RC users who need stronger current transfer and less compromise in extreme high-load setups.
It is not positioned as a general-purpose pack for casual use. The Innovation RC Extreme Series is better suited to serious speedrun cars, drag-style builds, and other demanding RC platforms where connector quality, solder integrity, and total system resistance all play a real role in performance.
Important Notice for High-Power Use
For proper power transfer, this battery should be used with appropriate high-current connector hardware such as QS8, 8mm bullets, or larger ESC-side connectors. All solder work must be solid, as every soldered connection matters in extreme current applications.
For maximum performance, experienced users may cycle the pack 2 to 3 times and warm it to around 105-110°F before hard running. This battery is intended for advanced use. Please use at your own risk.
Where This Battery Makes the Most Sense
This battery makes the most sense in RC setups that are intentionally built around larger 2S packs, especially where runtime, power consistency, and connector strength are more important than keeping the battery small and light. Users looking for a battery in this class are usually not just replacing a standard pack. They are choosing a very specific direction for the build.
That is why fitment matters so much here. With a pack this size, the most important checks are not only voltage, but also tray length, battery height, total weight, and connector format. For the right setup, that extra capacity can be a real advantage. For the wrong setup, the battery is simply larger than necessary.
Size and Weight Overview

Best Use Case
This product is best for RC users who already know they want a large-format 2S battery and are building around that requirement on purpose. That usually means prioritizing long runtime, high current capability, and a power system that can take advantage of the QS8 connector.
If the goal is simply to find a normal 2S replacement battery for a standard-size tray, there are usually smaller and more conventional options that make more sense. But if the setup is intentionally moving toward a bigger-capacity, heavy-duty 2S direction, this battery fills that role very clearly.
FAQ
What kind of setup is this battery best for?
It is best for larger or custom-fit 2S surface RC setups where long runtime, strong discharge capability, and a high-current QS8 connector are part of the intended power system.
What is the main advantage of this battery?
The main advantages are very high capacity, strong current delivery, and a serious connector format. It is designed for users who want a longer-running and more heavy-duty 2S solution.
Why would someone choose such a large 2S battery?
Some users deliberately stay on 2S for class rules, driving feel, or system preference, but still want much more runtime and much stronger current support than a normal 2S pack can offer.
What should I confirm before buying?
Check voltage, connector type, battery dimensions, and total weight first. With a battery in this size class, physical fitment and overall vehicle balance are just as important as electrical compatibility.
Package Includes
1 × CNHL Innovation RC Series 10500mAh 7.4V 2S 120C LiPo Battery with QS8 Plug
Notice
- Please confirm voltage, connector type, battery tray size, and acceptable weight range before purchase.
- Manual measurement may result in slight size differences.
- Please stop charging immediately if the battery behaves abnormally during charging.
- Check the battery surface, connector, and cell voltage before first use.
- If a new battery does not seem to deliver full performance initially, use a proper balance charger and complete several normal charge and discharge cycles.
- Always follow standard LiPo safety procedures during charging, storage, and transport.
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