Your Cart: $0.00

Spend $134.00 more for free shipping!

View Cart and Checkout
Overlander Samsung 10,500mAh 14.8V 4S3P 18650 Li-Ion Battery - Deans

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

Brand: Overlander

Part No: OL-3646

$159.11 RRP $167.49
Pre-Order

The Overlander Samsung 10,500mAh 14.8V 4S3P 18650 Li-Ion Battery – Deans (OL-3646) is a high-capacity power pack built from trusted Samsung 3500mAh 18650 cells. Arranged in a 4S3P configuration, it delivers a nominal 14.8V with extended runtime, making it a dependable choice for power-hungry projects. With its compact 18650 format and a Deans main connector on this variant, it balances performance, versatility and reliability for RC, robotics and DIY applications.

Each parallel group of cells shares the load to improve capacity and durability, while the included JST-XH balance connector supports balanced charging to help maintain pack health over time. Dimensions of 74 x 70 x 56mm and a weight of 615g offer an efficient footprint for a wide range of setups.

Key Features & Benefits

  • High capacity: 10,500mAh for extended runtime in demanding applications.
  • 4S3P configuration: Parallel cell groups share load for improved durability.
  • Samsung cells: Built with premium 3500mAh 18650 Li-Ion cells.
  • Compact design: 74 x 70 x 56mm for versatile installation.
  • Connector flexibility: Available with Deans or XT60; this OL-3646 variant is fitted with Deans.
  • Balanced charging: JST-XH balance connector to optimise charging and longevity.
  • Lightweight for capacity: Approx. 615g.
  • Versatile use: Suitable for RC, robotics and custom power projects.

Specifications

  • Chemistry: Lithium Ion (Li-Ion)
  • Cell Size: 18650
  • Capacity: 10,500mAh
  • Voltage: 14.8V
  • Configuration: 4S3P (12 cells)
  • Watt Hours: 155.4Wh
  • Main Connector: Deans (this variant)
  • Balance Connector: JST-XH
  • Dimensions: 74 x 70 x 56mm
  • Weight: 615g

Suggested Compatibility

  • RC models requiring a 4S Li-Ion pack
  • Robotics platforms
  • DIY and custom power projects

Safety Information

  • Use a compatible charger set for 4S (14.8V) and always balance charge via JST-XH.
  • Do not overcharge, over-discharge or leave unattended while charging.
  • Store at 50–70% charge in a cool, dry place away from heat and flammable materials.
  • Inspect regularly; do not use if damaged, swollen or punctured.
  • Keep away from water, direct sunlight and conductive objects.
  • Recycle and dispose of used batteries responsibly according to local regulations.
Product Description

The 10,500mAh 14.8V 4S3P Samsung Li-Ion Battery is a high-capacity power solution designed for demanding RC and hobbyist applications. Built using trusted Samsung 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 Samsung 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
  • Brand: Samsung
  • Dimensions: 74 x 70 x 56 (mm)
  • Weight: 615 (g)


Key Info:
  • Brand: Overlander
  • Part No: OL-3646
Free Shipping

This item is over £100, so qualifies for free standard UK shipping!

Express Shipping

Upgrade to next day from £3

Worldwide Shipping

Available at checkout

Reviews
No specific product reviews yet, why not write one?
WRITE A REVIEW
All reviews are subject to moderation
No questions yet, why not ask one?
ASK A QUESTION
Get early access to deals and new arrivals.
Use this form to ask us a quick one sentence question about this specific product. Do not enter anything you would not like displayed on our site.

For more in depth queries, please contact us.