5200mAh 7.4V 2S2P Flat 18650 Li-Ion Battery

£35.99

  • 5200mAh & 7.4V power provides extended runtime for RC applications.
  • Reliable performance and long-lasting efficiency.
  • 18650 cells offer high energy density with stable voltage output.
  • 2S2P parallel design doubles capacity while maintaining consistent power.
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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: Mon, Sep 07 – Tue, Sep 08  (Excl Sat, Sun)

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Product Description

The 5200mAh 7.4V 2S2P Flat 18650 Li-Ion Battery delivers high-capacity, long-lasting power for a variety of RC applications, including RC cars, FPV systems, robotics and high-performance transmitters. Built with trusted 18650 cells, this 2S2P configuration pairs two 2600mAh cells in parallel per series group, doubling capacity while maintaining a stable 7.4V output. Its flat design ensures easy integration into space-limited setups while providing excellent energy density for extended runtimes.

This battery comes with a choice of connectors, including Deans, JR Universal, Mini Tamiya, SM2P, Spektrum and XT60, ensuring broad compatibility with various RC models. The JST-XH balance lead keeps cells balanced during charging, enhancing overall performance and extending battery lifespan. Whether powering an RC vehicle, FPV goggles, drone system or robotics project, this battery offers a reliable and efficient energy solution.

Key Features & Benefits

  • 5200mAh capacity & 7.4V output – Provides extended runtimes for RC vehicles, FPV systems and robotics.
  • Quality & reliability – High-performance 18650 cells ensure stable voltage and long cycle life.
  • 2S2P parallel configuration – Two 2600mAh cells in parallel per series group for double the capacity.
  • Flat configuration – Compact, space-efficient design for seamless installation in RC models.
  • Choice of connectors – Available with Deans, JR Universal, Mini Tamiya, SM2P, Spektrum and XT60.
  • JST-XH balance lead – Maintains cell balance during charging to improve battery lifespan.
  • Ideal for RC applications – Perfect for RC cars, drones, robotics and transmitters.

Safety Information

Always follow manufacturer guidelines for safe charging, usage and storage of Li-Ion batteries. Use a compatible Li-Ion charger, ensuring correct voltage and current settings. 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 3622
Barcode 5060470214937
Chemistry Lithium Ion (Li-Ion)
Cell Size 18650
Capacity 5200mAh
Voltage 7.4V
Cell Count 4 cells (2S2P)
Watt Hours 38.5Wh
Connector Options Deans, JR Universal, Mini Tamiya, SM2P, Spektrum and XT60
Balance Connector Type JST-XH
Dimensions 72 x 73 x 20 (mm)
Weight 198 (g)
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