10,500mAh 14.8V 4S3P 18650 Li-Ion Battery

£124.99

  • Built with trusted 18650 cells for reliable, long-lasting performance
  • High capacity provides 10500mAh for extended runtime in demanding applications
  • Connector options include XT60 or Deans for versatile compatibility
  • Balanced charging with JST-XH ensures efficiency and improves lifespan
  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 10,500mAh 14.8V 4S3P Li-Ion Battery is a high-capacity power solution designed for demanding RC and hobbyist applications. Built using trusted 3500mAh Li-Ion cells arranged in a 4S3P configuration, this pack combines four series-connected groups of three parallel cells to deliver 14.8V with extended runtime. Parallel configurations increase capacity by combining cells to share the load, resulting in improved performance and durability.

With a compact 18650 size, the most popular format for Li-Ion cells, this battery offers exceptional versatility and reliability. This battery is available with either an XT60 or Deans connector, allowing you to choose the option that best suits your setup. It is also supplied with a JST-XH balance connector to ensure proper charging and extend the pack’s lifespan. Ideal for RC models, robotics and DIY projects, this pack provides consistent, dependable power for high-performance needs.

Key Features & Benefits

  • High capacity: 10,500mAh provides extended runtime for demanding RC and hobby applications.
  • 4S3P configuration: Parallel packs increase capacity and share the load for durability.
  • Trusted brand: Built with premium 3500mAh 18650 Li-Ion cells.
  • Compact design: Dimensions of 74 x 70 x 56mm fit a wide range of setups.
  • Connector options: Available with XT60 or Deans for compatibility flexibility.
  • Balanced charging: JST-XH balance connector improves charge efficiency and battery lifespan.
  • Lightweight build: Weighs only 615g for its high capacity, ideal for portable projects.
  • Versatile use: Suitable for RC models, robotics, and custom power setups.

This battery pack combines trusted components, a robust design, and advanced features to deliver reliable, long-lasting power for your projects.

Safety Information

Always handle and charge Li-Ion batteries with care to ensure safety and optimal performance. Use a compatible charger with the correct settings for 4S (14.8V) packs, and always utilise the JST-XH balance connector to maintain cell health. Avoid overcharging, over-discharging, or leaving the battery unattended during charging. Store the battery at 50-70% charge in a cool, dry location, away from extreme temperatures or flammable materials. Regularly inspect for damage, swelling, or punctures, and never use or charge a damaged battery. Keep the battery away from water, direct sunlight, and conductive objects that could cause a short circuit. Dispose of used batteries responsibly, following local recycling regulations. Proper care ensures safe usage and extends the life of your battery pack.

Specifications

SKU 3646
Barcode 5060470214784
Chemistry Lithium Ion (Li-Ion)
Cell Size 18650
Capacity 10,500mAh
Voltage 14.8V
Cell Count 4S3P (12 cells)
Watt Hours 155.4Wh
Connector Options Deans and XT60
Balance Connector Type JST-XH
Dimensions 74 x 70 x 56 (mm)
Weight 615 (g)
Categories
My Cart
Wishlist
Recently Viewed
Categories