2600mAh 7.4V 2S Config 3 18650 Li-Ion Battery

Price range: £18.49 through £19.49

  • 2600mAh & 7.4V power delivers reliable energy for RC applications.
  • Long-lasting performance and trusted quality.
  • 18650 cells provide high energy density with stable output.
  • End-to-end compact design allows easy installation in tight spaces.
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  •  This pack is made to order

    Please Note

    These batteries are made to order, so may require additional production time. Get in touch for a more accurate estimated delivery timeframe

    Made-to-order packs can only be returned if a manufacturing fault is present.
    Once production has started, orders cannot be cancelled—please contact us as soon as possible if you require any amendments.

    If you wish to return or cancel an order without a manufacturing fault, this will be at Overlander’s discretion.

  •  Delivery & Return

    Delivery

    We aim to dispatch all orders within 1-2 business days. Please allow additional time for custom orders. During peak periods, dispatch times may vary.

    Delivery charges depend on the items ordered.

    Orders containing Lithium:£6 Courier Shipping
    Orders exceeding £75:£6 Courier Shipping
    Orders exceeding £120:Free Courier Shipping
    Other:£4 Royal Mail First Class

    Please note, that postage costs outside of mainland UK will vary.

    For more information see our Help Centre

    Returns

    Please, contact us to open a return. Please ensure all returns are sent to us with a completed returns form. We aim to resolve all cases within 2 working days. 

    For more information see our Help Centre

  Estimated Delivery: Thu, Sep 10 – Mon, Sep 14  (Excl Sat, Sun)

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Product Description

The 2600mAh 7.4V 2S Config 3 18650 Li-Ion Battery delivers reliable and efficient power for RC cars, boats, robotics and transmitter systems. Built with trusted 18650 cells, this 2S end-to-end configuration (Config 3) provides a stable 7.4V output, ensuring consistent energy delivery and extended runtimes. Its compact, cylindrical layout allows for easy installation, making it ideal for RC setups requiring a narrow and space-efficient battery solution.

This battery is supplied with a choice of Deans, JR Universal, Mini Tamiya, SM2P, Spektrum or XT60 connectors, ensuring seamless compatibility with a wide range of RC models. The JST-XH balance lead helps maintain even cell charging, improving performance, extending battery lifespan and reducing the risk of voltage imbalances. This makes it a versatile and dependable power source for demanding RC applications.

Key Features & Benefits

  • 2600mAh capacity & 7.4V output – Provides stable power for RC cars, boats, robotics and transmitters.
  • Quality & reliability – High-performance 18650 cells ensure long-lasting and efficient energy delivery.
  • End-to-end configuration (Config 3) – Space-saving design for tight-fitting RC applications.
  • Choice of connectors – Available with Deans, JR Universal, Mini Tamiya, SM2P, Spektrum and XT60.
  • JST-XH balance lead – Ensures even cell charging, improving performance and extending battery lifespan.
  • Compact 18650 size – Optimised for lightweight and space-conscious RC applications.

Safety Information

Always follow manufacturer guidelines for safe charging, usage and storage of Li-Ion batteries. Use a compatible Li-Ion charger and avoid overcharging, deep discharging and exposure to extreme temperatures. Monitor the battery during use to prevent overheating. Never leave the battery unattended while charging, and store it in a cool, dry place away from flammable materials. Improper handling can cause damage, fire or injury. Dispose of used batteries responsibly according to local regulations.

Specifications

SKU 3413
Barcode 5060470213176
Chemistry Lithium Ion (Li-Ion)
Cell Size 18650
Capacity 2600mAh
Voltage 7.4V
Cell Count 2S
Watt Hours 28.86Wh
Connector Options Deans, JR Universal, Mini Tamiya, SM2P, Spektrum and XT60
Balance Connector Type JST-XH
Dimensions 132 x 20 x 20 (mm)
Weight 97 (g)
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