The best battery for the Hangar 9 Valiant 20cc EP PNP depends on whether you want a relaxed high-wing cruiser, a stronger sport-flying setup, or a longer-runtime giant-scale feel. This aircraft gives pilots a useful amount of flexibility because its electric power system supports 4S, 5S, and 6S LiPo batteries from 4000mAh to 7000mAh. In practice, most pilots will find the most natural electric setup in the 6S 5000mAh to 6200mAh range with an EC5 plug for IC5/EC5 aircraft systems.
Battery fit summary for the Hangar 9 Valiant 20cc EP PNP
The Valiant 20cc EP PNP is a large 86.5-inch wood-built high-wing model with a factory-installed Spektrum Avian 5065-450Kv brushless motor and 100A Smart ESC. That makes the battery decision one of the most important setup choices after receiver installation. The aircraft can fly on 4S, 5S, or 6S LiPo power, but each voltage range changes the way the plane feels.
| Battery Setup | Best Use | Flight Character | CNHL Selection Logic |
|---|---|---|---|
| 4S 5000–7000mAh EC5 / IC5-style setup | Relaxed sport flying, cruising, touch-and-go practice, lower-stress flights | Smoother throttle response, calmer climb rate, lighter power feel | Good for pilots who want the Valiant to feel more like a large, stable club-field high-wing aircraft |
| 5S 5000–6000mAh EC5 / IC5-style setup | Middle-ground flying when 4S feels too soft but 6S feels more than needed | More authority than 4S, less aggressive than 6S | Useful as a transitional setup, though many pilots will find 6S easier to source and more practical |
| 6S 4000–5000mAh EC5 / IC5-style setup | Lighter sport flying, stronger climb, more agile response | Sharper throttle feel with less battery weight than larger 6S packs | Good for pilots who care more about handling response than maximum flight time |
| 6S 5200–6200mAh EC5 / IC5-style setup | Best all-around electric setup for most pilots | Strong power, useful runtime, balanced giant-scale feel | The most natural starting point for the EP PNP version if battery size and CG check correctly |
| 6S 7000mAh EC5 / IC5-style setup | Longer flights, smoother lines, more planted flying | Heavier feel, better energy carry, less floaty response | Best for pilots who prefer stable cruising and longer air time, provided the pack fits and balances properly |
Why 6S 5000mAh to 6200mAh is the easiest recommendation
For the Hangar 9 Valiant 20cc EP PNP, the most balanced battery choice is usually a 6S LiPo between 5000mAh and 6200mAh. This range gives the aircraft enough voltage to make the 5065-450Kv motor feel properly awake, while still keeping the battery weight within a practical range for sport flying, STOL-style approaches, and basic aerobatics.
A 6S 5000mAh pack keeps the aircraft a little lighter and more responsive. That can be helpful if you enjoy cleaner roll response, shorter throttle bursts, and a more agile feel. A 6S 6200mAh pack adds more runtime and a slightly more planted character, which can suit the Valiant well because this is not a tiny foam park flyer. It is a large wood airframe that often feels better when it carries its energy smoothly.
The important detail is balance. A larger battery can make the plane feel steady, but too much weight can reduce the easy high-wing character that makes the Valiant enjoyable in the first place. Before flying, always check battery position, hatch clearance, wire routing, and center of gravity with the exact pack installed.
4S vs 6S on the Valiant 20cc EP PNP
The Valiant 20cc EP PNP can be flown on 4S or 6S, but these two setups do not create the same aircraft personality. A 4S setup is better for pilots who want a calmer high-wing experience. It suits smooth circuits, relaxed weekend flights, and lower-stress flying where the aircraft is not being pushed hard.
A 6S setup is better if you want the Valiant to show more of its sport-airplane side. The model has flaps, a semi-symmetrical airfoil, good rudder authority, and more aerobatic potential than a basic trainer-style high-wing. With a suitable 6S EC5 LiPo battery, the aircraft has stronger climb power and a more confident throttle range, especially when flying in wind or when pulling out of larger maneuvers.
| Choice | Why Choose It | What to Watch |
|---|---|---|
| 4S LiPo | Lower-stress flying, smoother throttle response, relaxed club-field use | May feel softer for aerobatics, vertical pull, and windy conditions |
| 6S LiPo | Stronger power, better climb, more confident sport flying, better use of the installed power system | Requires careful throttle management, battery fit check, and CG confirmation |
EC5 and IC5 battery connector guidance
The Hangar 9 Valiant 20cc EP PNP is listed around IC5 and EC5 power system compatibility, so EC5-style LiPo batteries are the most practical match for this type of electric aircraft. CNHL EC5 batteries are especially useful for pilots who also fly larger RC airplanes, EDF jets, 1/8 RC cars, or other high-current models that already use EC5 or IC5 battery setups.
Connector choice should always be checked before flight. Confirm the aircraft-side connector, battery-side connector, polarity, wire routing, and available space under the top hatch. A clean connector fit matters more on a large electric airplane because poor contact or strained wiring can create heat, voltage drop, or reliability problems under load.
Battery capacity: 4000mAh, 5000mAh, 6200mAh, or 7000mAh?
Capacity affects more than runtime. On an 86.5-inch wood aircraft, battery capacity also changes weight, balance, landing feel, and how much momentum the aircraft carries through turns and approaches. A smaller 6S 4000mAh or 5000mAh pack can make the Valiant feel lighter and more responsive. A larger 6S 6200mAh or 7000mAh pack can make it feel smoother, more settled, and better suited to long relaxed flights.
| Capacity Range | Typical Feel | Best Pilot Profile |
|---|---|---|
| 4000–5000mAh | Lighter, more responsive, shorter flight time | Pilots who prefer sharper handling and do not need maximum runtime |
| 5200–6200mAh | Balanced power, useful runtime, practical weight | Most EP PNP pilots looking for a reliable all-around setup |
| 7000mAh | Longer runtime, more planted feel, heavier battery load | Pilots who prefer smoother large-airframe flying and have confirmed fit and CG |
A wood-built high-wing needs a battery that supports the way it flies
The Valiant 20cc EP PNP is not just a larger foam trainer. Its balsa and lite-ply construction, 86.5-inch wingspan, functional flaps, and semi-symmetrical airfoil put it closer to a serious club-field sport airplane. That is why the battery should support both stability and throttle authority.
With flaps deployed, the aircraft can slow down and approach with a more controlled STOL-like attitude. With flaps up and a stronger battery setup installed, it has the power and control authority for cleaner sport flying, larger aerobatic lines, and more confident wind handling. The battery is part of that personality. Too little power can make the aircraft feel underused. Too much unnecessary battery weight can make it lose some of the easy Valiant character that pilots like.
Before choosing your battery
Before ordering a battery for the Hangar 9 Valiant 20cc EP PNP, check the aircraft manual, battery tray space, connector type, ESC rating, propeller setup, and required center of gravity. Do not choose a pack by voltage and capacity alone. A correct LiPo battery should physically fit, balance the aircraft correctly, and leave enough room for secure installation and safe wire routing under the windshield hatch.
For many pilots, the best first choice will be a 6S 5000mAh to 6200mAh EC5 LiPo. After that, you can adjust lighter or heavier depending on your field size, flying style, desired flight time, and how the aircraft balances with your receiver and setup installed.
Explore more CNHL airplane battery options
If you are building a wider electric aircraft battery setup beyond the Valiant 20cc, browse the full CNHL airplane battery collection for more 4S, 5S, and 6S LiPo options for sport planes, EDF jets, warbirds, trainers, and larger electric models. You can also read our related Hangar 9 Valiant 20cc EP PNP review for a deeper look at the aircraft itself, including its wood construction, 86.5-inch size, flaps, assembly logic, and real-world battery setup considerations.
FAQ: Hangar 9 Valiant 20cc EP PNP battery choice
What battery does the Hangar 9 Valiant 20cc EP PNP use?
The Hangar 9 Valiant 20cc EP PNP is designed for 4S to 6S LiPo batteries, typically in the 4000mAh to 7000mAh range. EC5 or IC5-style power connections are the most relevant connector match for this aircraft class.
Is 6S better than 4S for the Valiant 20cc EP PNP?
For most pilots, 6S is the better all-around choice because it gives the aircraft stronger climb power, better throttle authority, and a more confident sport-flying feel. A 4S setup is still useful if you prefer calmer flying, smoother throttle response, and a more relaxed high-wing personality.
What is the best all-around LiPo size for the Valiant 20cc?
A 6S 5000mAh to 6200mAh EC5 LiPo is the most practical starting point for many electric pilots. It offers a good balance of power, runtime, and manageable battery weight for this 86.5-inch wood-built high-wing aircraft.
Can I use a 7000mAh LiPo battery in the Hangar 9 Valiant 20cc EP PNP?
A 7000mAh LiPo may be suitable if it fits the battery area, clears the hatch, and balances the aircraft correctly. It can provide longer flight time and a more planted feel, but it also adds weight, so center of gravity and handling should be checked carefully before flight.
Should I choose EC5 or IC5 for this aircraft?
The aircraft is relevant to IC5 and EC5 power system setups. EC5 LiPo batteries are a practical option for many IC5/EC5 aircraft systems, but pilots should always confirm the connector fit, polarity, and wiring condition before use.
Is this page for the ARF gas version or the EP PNP electric version?
This collection is written mainly for the Hangar 9 Valiant 20cc EP PNP electric version. The ARF version can be configured with gas, glow, or electric power, so its battery needs may vary depending on the builder’s chosen setup.
