Quick Fit Check
The CNHL Black Series 4000mAh 22.2V 6S 65C LiPo Battery with EC5 Plug is a practical 6S battery for RC users who want a balanced setup with solid runtime, dependable voltage, and less bulk than a 5000mAh-class pack. It works best on models already designed for a 6S power system, especially where pilots want a battery that feels more manageable in weight while still delivering a proper 6S flying experience.
Before ordering, check four things first: your model should support 6S voltage, the battery tray or compartment should fit this pack’s dimensions, the setup should match an EC5 connector, and the platform should suit a battery weighing about 650g. For many aircraft using EC5 systems, this battery sits in a very useful middle ground between lighter 6S packs and larger high-capacity packs.
Product Specifications
| Capacity |
4000mAh |
| Voltage (S/cell) |
22.2V / 6S / 6-Cell |
| Discharge Rate (Continuous/Burst) |
65C / 130C |
| Output Connector |
EC5 Plug |
| Dimensions (L × W × H) |
158 × 45 × 46 mm |
| Weight |
Approx. 650g |
| Charge Rate |
5C Max |
| Balance Connector |
JST-XH |
| Wire Gauge |
10 AWG |
| Stock Number |
400656BKEC5 |
What Makes This 4000mAh 6S Battery Useful
A 4000mAh 6S LiPo battery is useful because it gives many aircraft a true 6S feel without pushing them into the extra size and nose weight that can come with a 5000mAh pack. That makes this size especially attractive for pilots who want a setup that still feels lively, manageable, and easy to position for proper balance.
That is where this battery fits well. It is not the lightest 6S option, but it is also not the heaviest. Instead, it gives a very workable balance of runtime, weight, and 6S performance. For many airframes, that balance matters more than simply chasing the biggest pack that will fit.
The 65C discharge rate supports that role well. This is not an extreme-output race battery. It is better understood as a practical and dependable 6S pack for users who want stable power delivery and a cleaner overall setup.
Applications
This battery is best suited to 6S RC aircraft, especially STOL models, gliders with stronger power systems, sport aircraft, and other setups where a 4000mAh 6S EC5 battery gives a good balance between punch and manageable weight. It can also make sense on selected other RC platforms where the voltage, connector, and fitment are already appropriate.
Because this version uses an EC5 plug, it is also relevant to users searching around EC5 battery and IC5 battery fitment, especially in the airplane category where this connector format is commonly seen. As always, the exact connector and physical fit should still be confirmed before purchase.
Battery Fitment for CNHL Bison XT STOL
If you are setting up the CNHL Bison XT STOL 1750mm PNP on 6S, this CNHL Black Series 4000mAh 22.2V 6S 65C LiPo Battery with EC5 Plug sits right in the kind of range the airframe tends to like: enough capacity for real flights, but without turning the nose into a brick.
What makes this pack a clean match for the Bison setup is straightforward. It is a 6S 22.2V pack in the practical capacity window for the model, and the EC5 connector keeps the setup simple on EC5-based systems. The result is a battery that works well for pilots who want solid 6S performance while still keeping CG tuning manageable.
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Match target: Bison XT STOL 6S configuration
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Why 4000mAh works well: balanced weight for a STOL-style airframe and easier CG positioning than a larger pack
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Connector: EC5, commonly searched alongside IC5 system fitment
View batteries for CNHL Bison XT STOL
A Strong 6S Match for the E-flite Conscendo 2.0m PNP
If you want the E-flite Conscendo 2.0m PNP to feel more alive under power, this 4000mAh 6S EC5 pack makes a lot of sense. It suits pilots who want stronger climb, a more energetic sport-glider feel, and a setup that lets the larger Conscendo explore more of its flight envelope without jumping straight to an oversized 6S battery.
That is really the appeal here. The pack gives a full 6S response, but still stays in a size and weight range that many pilots will find more usable than a larger pack. For model-specific setup guidance, see: Best LiPo Battery for E-flite Conscendo 2.0m PNP.
More 6S Battery Options
If you are comparing different 6S battery directions, this pack is best for users who want a balanced 4000mAh 6S EC5 setup rather than the lightest pack or the heaviest pack available.
Product Photo
FAQ
What kind of setup is this battery best for?
It is best for 6S aircraft setups that need a practical balance of runtime, weight, and power, especially where a 4000mAh EC5 battery is already close to the ideal fit range.
What is the main advantage of this battery?
The main advantage is balance. It gives true 6S performance without the extra bulk and nose weight that can come with larger 5000mAh-class packs.
Is EC5 relevant for IC5 users?
Many buyers search EC5 and IC5 batteries together because they are commonly associated with the same class of larger RC power systems. Buyers should still confirm the exact connector setup on their own model before purchase.
What should I confirm before buying?
Check voltage, connector type, battery compartment size, and overall fitment first. On aircraft and other 6S platforms, those four points matter more than model name alone.
Package Includes
1 × CNHL Black Series 4000mAh 22.2V 6S 65C LiPo Battery with EC5 Plug
Notice
- Please confirm voltage, connector type, battery tray or compartment 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.
CNHL LiPo batteries come with a 90-day warranty from the date of purchase, unless otherwise stated in the product listing.
This warranty covers original defects in materials and workmanship. It does not cover normal wear and tear, puffing, swelling, over-disacharge, over-charge, improper storage, crash or water damage, connector changes, or any damage resulting from misuse or mishandling.
If you find that a battery purchased from us is defective within the 90-day warranty period, please get in touch with us to arrange a return for inspection. Based on our evaluation, we will usually repair, replace, or offer an appropriate solution at no additional charge.
Your country or region must match the correct shipping warehouse. Details below:
US Warehouse
Ships in 1–2 working days via USPS. Free shipping over $69; standard fees apply otherwise. Delivery: 3–7 working days.
US (LA) Warehouse
Ships in 2–3 working days. Standard domestic shipping fees apply.
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Ships in 1–2 working days. Standard EU shipping fees. Delivery: 5–10 working days.
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(Global & Global-CN2) Ships in 4–5 working days.
Delivery: 20–25 days, or 10–15 days from Global-CN2. Standard international shipping fees apply.
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Ships in 1–2 working days via Yodel/Hermes/DPD.
Free shipping over $69; standard fees apply. Delivery: 3–7 working days.
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Free shipping over $79; standard fees apply. Delivery: 3–7 working days.
CA Warehouse
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