The battery is the heart of every AEG. Choosing the right one directly affects trigger response, rate of fire (ROF) and overall reliability. In this category you’ll find the essential knowledge to select correctly: battery technologies, specs and safe use practices tailored for airsoft replicas.
Understanding the key specs
When buying a battery, three numbers matter most:
- Voltage (V): Determines ROF and motor speed. 7.4V LiPo or 9.6V NiMH are safe choices for stock AEGs. 11.1V LiPo boosts ROF and responsiveness but requires reinforced internals and a MOSFET.
- Capacity (mAh): Higher capacity means longer playtime before recharging.
- C-Rating: For LiPo, the discharge rate. 20C–25C suits most setups; 30C+ is ideal for demanding builds.
Battery technologies
LiPo (Lithium Polymer)
- Pros: Compact size, light weight, steady voltage, crisp trigger response.
- Care: Always charge with a balance charger, never discharge below safe levels, store in LiPo safe bags.
- Note: 11.1V LiPo should only be used with upgraded internals and MOSFET protection.
NiMH (Nickel-Metal Hydride)
- Pros: More forgiving to misuse, simple to maintain, good for beginners and stock rifles.
- Cons: Heavier and bulkier for the same capacity, gradual voltage drop during use.
Li-Ion
High energy density, longer cycle life, increasingly used in custom builds. Requires proper charging equipment.
Form factors and connectors
Ensure your battery fits both the compartment and the connector:
- Shapes: Nunchuck/Butterfly for crane stocks, Stick for buffer tubes/AK covers, Brick for full fixed stocks.
- Connectors: Mini Tamiya is standard. Deans (T-Plug) offers better conductivity and is recommended for performance builds.
Practical tips for safe use
- Always use a balance charger for LiPo.
- Do not exceed recommended voltage without upgrades.
- Check wiring and connectors after heavy use.
- Carry a spare battery for long games.
Quick selection guide
- Beginner/stock AEG: 7.4V LiPo or 9.6V NiMH with Mini Tamiya.
- Intermediate: 7.4V LiPo 1500–2200mAh, 20C+.
- Advanced builds: 11.1V LiPo 25C–30C with reinforced gearbox and MOSFET.
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FAQ
What’s the difference between 7.4V and 11.1V?
7.4V is safe for most stock AEGs. 11.1V delivers higher ROF and faster trigger response but requires internal upgrades.
What C-rating should I choose?
20C–25C is fine for most players; 30C+ is recommended for high-performance builds.
Can I switch from Mini Tamiya to Deans?
Yes, with an adapter or connector swap, provided polarity and wiring are correct.
How do I safely store LiPo batteries?
Store at 3.7–3.85V per cell in a LiPo safe bag, in a cool and dry place.
What capacity (mAh) do I need for long games?
1500–3000mAh depending on your role. Higher capacity means longer playtime but adds weight.
TL;DR
LiPo offers high performance, NiMH gives reliability and simplicity. Choose voltage, mAh and C-rating based on your build, and ensure correct size and connector for your replica.
USP: In-stock ready items • Safety guidance provided
CTA: Pick the right battery for your AEG and order today for fast dispatch.
