7000mAh 11.1V 3S2P Config 16 18650 Li-Ion Battery

£74.99

  • 7000mAh & 11.1V power delivers extended runtime for RC applications.
  • Reliable performance and long-lasting efficiency.
  • 18650 cells provide high energy density with stable output.
  • 3S2P parallel design doubles capacity while maintaining efficiency.
  Hurry up! Sale end in:
  •  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 14 – Tue, Sep 15  (Excl Sat, Sun)

  Share
Guaranteed Safe Checkout

Product Description

The 7000mAh 11.1V 3S2P Config 16 18650 Li-Ion Battery delivers high-capacity, long-lasting power for RC cars, boats, robotics and high-performance transmitters. Built using two 3500mAh cells in parallel per series group (3S2P), this square configuration (Config 16) provides a stable 11.1V output, ensuring efficient energy delivery and extended runtimes. The high-capacity design offers significantly longer operation times, making it ideal for RC applications that require consistent, reliable power.

This battery is available with an XT60 or Deans connector, allowing seamless compatibility with a wide range of RC models. The JST-XH balance lead keeps cells evenly charged, enhancing performance, extending lifespan and reducing the risk of voltage imbalances. Whether powering an RC vehicle, robotic system or high-performance transmitter, this battery provides a durable and efficient energy solution.

Key Features & Benefits

  • 7000mAh capacity & 11.1V output – Delivers extended runtime for RC cars, boats, robotics and transmitters.
  • Quality & reliability – High-performance 18650 cells ensure stable voltage and long cycle life.
  • 3S2P parallel configuration – Two 3500mAh cells in parallel per series group to double capacity.
  • Square configuration (Config 16) – Compact and space-efficient for seamless RC integration.
  • Choice of connectors – Available with XT60 or Deans for broad RC compatibility.
  • JST-XH balance lead – Ensures even cell charging, improving performance and extending lifespan.
  • Ideal for RC applications – Perfect for RC cars, boats, robotics and high-performance transmitters.

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 3644
Barcode 5060470215088
Chemistry Lithium Ion (Li-Ion)
Cell Size 18650
Capacity 7000mAh
Voltage 11.1V
Cell Count 6 cells (3S2P)
Watt Hours 77.7Wh
Connector Options Deans and XT60
Balance Connector Type JST-XH
Brand Overlander
Dimensions 72 x 58 x 39 (mm)
Weight 298 (g)
Categories
My Cart
Wishlist
Recently Viewed
Categories