Specna Arms LiPo 7,4V 1200mAh 15/30C Battery Butterfly Tamiya


A LiPo butterfly battery is a compact power source for AEG platforms where battery space is limited. The Specna Arms LiPo 7.4V 1200mAh 15/30C Butterfly Battery Tamiya has been developed to combine reliable power delivery with a form factor that fits easily into handguards, crane stocks and other tight battery compartments where standard stick or block batteries often fall short.
For many players, the battery is an underestimated part of the setup. No matter how well a replica is tuned, if the power supply is inconsistent, trigger response, motor speed and shot consistency will suffer immediately. This Specna Arms LiPo therefore focuses not on maximum voltage, but on stable performance and reliability during long days of play, training sessions and milsim events.
Why choose a butterfly configuration?
The biggest challenge with many M4 platforms and compact builds is not battery capacity, but the available space. Particularly with front-wired replicas, CQB platforms and certain handguards, there is often a trade-off between battery performance and fit.
The butterfly design distributes the cells across two narrow side segments, making it easier to position the battery around wiring, MOSFET units and internal components. This provides greater flexibility during installation without the need to opt for a smaller battery with lower capacity.
In practice, players mainly notice the difference when fitting the battery. Whereas a traditional stick battery can sometimes put strain on the wiring or be difficult to conceal, a butterfly battery is often much easier to position.
Performance & power output during use
With a voltage of 7.4V and a discharge rate of 15C continuous and 30C peak, this battery provides a stable power supply for standard and slightly upgraded AEG platforms.
A common mistake is to switch straight to an 11.1V LiPo battery when the internal components are not designed to handle it. For many players, a high-quality 7.4V LiPo actually offers a better balance between performance, wear and tear, and reliability. The gearbox is subjected to less strain, whilst the trigger response remains noticeably faster than with traditional NiMH batteries.
The 1200mAh capacity provides enough power for extended use during skirmishes and training days. For players who go through several magazines per game, the power output remains stable throughout the day without any noticeable drop in performance.
Materials and techniques
In recent years, LiPo technology has almost entirely replaced older NiMH batteries in airsoft. The main reason for this is the balance between capacity, weight and size.
The Specna Arms LiPo 7.4V 1200mAh weighs just around 120 grams whilst offering high energy density. This keeps the total weight of the replica down, which is particularly noticeable during longer gaming sessions where every gram at the front of the platform affects the balance.
Furthermore, LiPo technology does not suffer from the memory effect. The battery can be recharged at any time without first being fully discharged, which makes managing spare batteries considerably easier.
Ergonomics & compatibility
This version features a Mini Tamiya connector and is therefore compatible with a wide range of standard AEG platforms.
Measuring approximately 10.5 x 1.8 x 0.6 cm, this battery fits well in, amongst others:
- M4 handguards with battery compartment
- Crane stocks
- CQB platforms with limited space
- Various front-wired AEG configurations
- Compacte trainings- en speedsoftbuilds
Always check the available space in the replica beforehand. Even if the capacity seems sufficient, the shape of a battery can be a determining factor in ensuring a problem-free installation.
Practical insights that are often overlooked
Many users focus solely on voltage and capacity, whereas the fit often has a greater impact on the user experience.
A poorly fitting battery can lead to:
- Trapped wiring that will eventually become damaged
- Handguards or stocks that are difficult to close
- Extra strain on connectors and MOSFET systems
- Slower battery changes during events
In addition, a battery that is too large often causes heat build-up because it puts strain on the cables. A properly fitting butterfly battery prevents these problems and indirectly helps to extend the service life of internal components.
Another point that is often overlooked is storage. LiPo batteries perform best when stored at storage voltage. This reduces capacity loss and helps maintain a lifespan of around 500 to 700 charge cycles.
Who is and isn't it suitable for?
This battery is particularly suitable for players looking for a compact yet reliable power source for a standard or slightly upgraded AEG.
Suitable for:
- CQB players with limited space
- M4 platforms with handguard storage
- Outdoor players who prioritise reliability over maximum rate of fire
- Milsim users looking for a reliable main or spare battery
- Players switching from NiMH to LiPo
Less suitable for:
- Heavily upgraded high-speed builds
- Replicas specifically designed for 11.1V configurations
- Users who prioritise maximum rate of fire above all else
For optimum performance, this battery works perfectly with a high-quality LiPo balancer charger, MOSFET systems and spare Tamiya connectors as part of your kit.
Key features
- The Butterfly configuration allows for installation in handguards, crane stocks and other tight battery compartments where standard batteries are difficult to fit.
- 7.4V LiPo voltage provides a safe balance between trigger response, reliability and reduced stress on gearbox components.
- 1200mAh capacity supports long days of play without the battery taking up unnecessary space.
- The Mini Tamiya connector ensures broad compatibility with many standard AEG platforms.
Frequently Asked Questions
Does this battery fit in every M4?
No. The butterfly shape significantly improves compatibility, but always check the available space in the handguard or stock before choosing a battery.
What is the advantage of 7.4V over 11.1V?
A 7.4V LiPo places less strain on internal components, whilst the trigger response is still noticeably faster than with a traditional NiMH battery.
Can I use this battery as a spare?
Yes. Thanks to its compact size and light weight, it’s a popular choice as a backup during long gaming sessions or military simulation events.
Do I need a special charger?
Yes. LiPo batteries must always be charged using a suitable LiPo charger that utilises the balance connector.
How do I store this battery safely?
For long-term storage, a charge level of around 70% is recommended. This helps to prevent capacity loss and accelerated wear and tear of the cells.
With the Specna Arms LiPo 7.4V 1200mAh 15/30C Butterfly Battery Tamiya you’re choosing a compact power solution that fits easily into limited battery compartments whilst ensuring stable performance during training sessions, skirmishes and long gaming days.

Product specifications
- Article number
- SPE-06-022012
- Brand
- Specna Arms
- Type
- LiPo 7,4V 1200mAh 15/30C Battery Butterfly
- Kind
- Battery
- Voltage
- 7,4V
- mAh
- 1200mAh
- C Value
- 15/30C
- Connector
- Tamiya
- Dimensions
- 10.5 x 1.8 x 0.6 cm













