Filter By condition
- Brand New
-
Filter By Category
- 2S LiPo Batteries & 7.4V RC Battery Packs (2)
- 7.4V LiPo Battery (2)
-
Filter By Stock
- In Stock (50)
Filter By Brand
- Aus Electronics Direct (6)
- CNHL (1)
- FMS (1)
- Gens Ace (9)
- Haiboxing (1)
- Hosim (1)
- Hospeed (2)
- Nvision (22)
- NXE Power (15)
- Orion (2)
- Peak Racing (4)
- SMC (1)
- UDI (3)
- WLtoys (6)
- XinLeHong (3)
2S LiPo Batteries and 7.4V RC Battery Packs
Popular Products
Shop 2S Batteries and 7.4V RC Battery Packs
Explore 2S rechargeable batteries at Aus Electronics Direct for compatible RC cars, trucks, drones, aircraft and other hobby applications. Compare battery capacity, voltage, connector type and physical dimensions to find a battery that suits your equipment.
A 2S battery contains two cells connected in series. A standard 2S lithium-polymer (LiPo) pack has a nominal voltage of 7.4V, while a 2S lithium-ion pack may also be rated at 7.4V nominal. Fully charged voltage and charging requirements depend on the battery chemistry and manufacturer specifications.
How to Choose a 2S Battery
-
Voltage: Confirm that your vehicle or device supports a 2S battery and its fully charged voltage.
-
Capacity (mAh): A higher capacity can provide more energy, but battery runtime also depends on the equipment's power consumption and operating conditions.
-
Connector: Check that the battery plug matches your device, or use only an appropriate compatible connector solution.
-
Size and fit: Compare the battery's length, width, height and mounting requirements with the available battery compartment.
-
Discharge rating: For RC applications, check that the battery's discharge capability meets the demands of the motor and electronic speed controller.
-
Chemistry and charging: Use a charger and charging settings designed for the specific battery chemistry and cell count.
Compare the available 2S battery packs by their specifications, capacity and connectors before ordering. Always follow the battery manufacturer's charging, storage and handling instructions.
Frequently Asked Questions About 2S Batteries
What does 2S mean on a battery?
2S means the battery pack has two cells connected in series. The resulting voltage depends on the cell chemistry. For standard lithium-polymer and lithium-ion packs, a 2S battery is commonly rated at 7.4V nominal.
Is a 2S battery the same as a 7.4V battery?
A standard 2S LiPo or lithium-ion battery is generally rated at 7.4V nominal. However, voltage alone does not confirm compatibility. Check the battery chemistry, fully charged voltage, connector and equipment requirements before choosing a replacement.
How do I choose the right mAh capacity?
Capacity affects how much energy a battery stores. A higher mAh rating may provide longer runtime under comparable conditions, but the battery must also fit the available space and meet the device's voltage, weight and current requirements.
Will any 2S battery work in my RC car or truck?
No. Check the vehicle's supported battery voltage, battery compartment dimensions, connector, discharge requirements and battery chemistry. Also verify that the ESC and charger support the battery you plan to use.
What is the difference between a 2S LiPo and a 2S lithium-ion battery?
Both can have a nominal voltage of 7.4V, but their construction, performance characteristics and charging requirements can differ. Choose the chemistry specified or supported by your equipment and use a compatible charger.
What charger do I need for a 2S battery?
Use a charger that explicitly supports the battery's chemistry and two-cell configuration. For LiPo packs, use the appropriate LiPo charging mode and balance charging where required by the battery design and manufacturer instructions.
