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Overlander 6400mAh 7.4V 2S2P Square 18650 Li-Ion Battery - Deans

Overlander 6400mAh 7.4V 2S2P Square 18650 Li-Ion Battery - Deans

Brand: Overlander

Part No: OL-3627

£26.58 RRP £27.98
Pre-Order

The Overlander 6400mAh 7.4V 2S2P Square 18650 Li-Ion Battery (OL-3627) delivers long-lasting power in a compact footprint. Built from trusted 18650 cells in a 2S2P layout, it maintains a stable 7.4V while doubling parallel capacity for extended runtimes. This variant is factory-fitted with a Deans connector and includes a JST-XH balance lead for reliable charging and maintenance.

Key Features & Benefits

  • 6400mAh capacity and 7.4V output for extended runtimes in demanding applications.
  • High-quality 18650 cells provide stable voltage, efficiency and long cycle life.
  • 2S2P configuration pairs two 3200mAh cells in parallel per series group for increased capacity.
  • Square form factor offers a compact, space-efficient layout for tight installations.
  • Deans main connector pre-fitted; JST-XH balance lead supports accurate cell balancing during charging.
  • Suggested compatibility: RC cars, boats, robotics and high-performance transmitters.

Specifications

  • Chemistry: Lithium Ion (Li-Ion)
  • Cell Size: 18650
  • Capacity: 6400mAh
  • Voltage: 7.4V
  • Cell Count / Layout: 4 cells (2S2P)
  • Watt Hours: 47.4Wh
  • Main Connector: Deans
  • Balance Connector: JST-XH
  • Dimensions: 72 x 38 x 38 mm
  • Weight: 198 g

Safety Information

  • Use a compatible Li-Ion charger and correct voltage/current settings.
  • Avoid overcharging, deep discharging and extreme temperatures.
  • Monitor during use and charging; never leave unattended while charging.
  • Store in a cool, dry place away from flammable materials.
  • Dispose of batteries responsibly according to local regulations.
Product Description

The 6400mAh 7.4V 2S2P Square 18650 Li-Ion Battery delivers high-capacity, long-lasting power for RC cars, boats, robotics and high-performance transmitters. Built with trusted 18650 cells, this 2S2P configuration pairs two 3200mAh cells in parallel per series group, doubling capacity while maintaining a stable 7.4V output. Its square design provides a compact alternative layout, making it ideal for setups where space efficiency and high energy density are key.

This battery comes with a choice of connectors, including Deans, JR Universal, Mini Tamiya, SM2P, Spektrum and XT60, ensuring compatibility with a wide range of RC models. The JST-XH balance lead helps maintain cell balance during charging, enhancing battery performance and extending lifespan. Whether you need reliable power for an RC vehicle, robotics system or high-drain transmitter, this battery provides a durable and efficient energy solution.

Key Features & Benefits
  • 6400mAh capacity & 7.4V output – Provides extended runtimes for RC cars, boats, robotics and transmitters.
  • High-quality 18650 cells – Trusted cells ensure stable voltage, efficiency and long cycle life.
  • 2S2P parallel configuration – Two 3200mAh cells in parallel per series group for double the capacity.
  • Square configuration – Compact design for space-limited applications in RC setups.
  • 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, 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, 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: 3627
  • Barcode: 5060470214968
  • Chemistry: Lithium Ion (Li-Ion)
  • Cell Size: 18650
  • Capacity: 6400mAh
  • Voltage: 7.4V
  • Cell Count: 4 cells (2S2P)
  • Watt Hours: 47.4Wh
  • Connector Options: Deans, JR Universal, Mini Tamiya, SM2P, Spektrum and XT60
  • Balance Connector Type: JST-XH
  • Brand: Overlander
  • Dimensions: 72 x 38 x 38 (mm)
  • Weight: 198 (g)


Key Info:
  • Brand: Overlander
  • Part No: OL-3627
Standard Shipping

£3.95 to most of the UK

Express Shipping

£6.95 to most of the UK

Worldwide Shipping

Available at checkout

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