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Overlander Molicel P50B 5000mAh 14.4V 4S1P Square 21700 Li-Ion Battery - Deans
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Overlander P50B 5000mAh 4S Li-Ion Battery OL-3694

Brand: Overlander

Part No: OL-3694

£55.70 RRP £58.63
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Description

The Overlander Molicel P50B 5000mAh 14.4V 4S1P Square 21700 Li-Ion Battery - Deans, part number OL-3694, is a Li-Ion battery pack for compact power applications. Its flat, square layout combines a 14.4V nominal voltage with 5000mAh capacity in a 4S1P configuration, making it suited to installations where available space is limited. The pack uses Molicel P50B 21700 cells and is supplied with a Deans battery connector.

This battery is suggested for use in RC models, robotics, portable electronics and custom projects that require a compact power source. The square format can help with integration into tight enclosures or arrangements involving other components. Its stated energy density is 260Wh/kg, while the cell design provides discharge capability and thermal stability under load. A JST-XH balance lead is included to support balanced charging across the pack.

Specifications

  • Battery type: Lithium-Ion (Li-Ion)
  • Capacity: 5000mAh
  • Nominal voltage: 14.4V
  • Configuration: 4S1P
  • Cell size: 21700
  • Battery connector: Deans
  • Balance connector: JST-XH
  • Energy density: 260Wh/kg

Charging And Handling

Over-discharge protection is not built into this battery, so it should only be used with equipment that provides suitable voltage monitoring or a cutoff function. Use a compatible Li-Ion charger with the correct voltage and current settings, and avoid overcharging, deep discharging and exposure to extreme temperatures. Monitor the pack during use and charging to help prevent overheating, and never leave it unattended while charging.

For storage, keep the battery in a cool, dry location away from flammable materials. Follow the charger and battery handling guidance for Li-Ion products, and dispose of the pack responsibly in accordance with local regulations.

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Overlander Molicel P50B 5000mAh 14.4V 4S1P Square 21700 Li-Ion Battery - Deans Manuals & Guides

Manuals & Guides

Specifications

Product Description

The Molicel P50B 5000mAh 14.4V 4S1P Square 21700 Li-Ion Battery is a compact, high-performance power source built from two premium Molicel P50B cells in series. With a 14.4V nominal voltage and 5000mAh capacity, this flat pack delivers reliable energy for demanding applications that require a slim profile and consistent output. The P50B is one of Molicel’s top-tier cells, known for its high discharge capabilities and excellent thermal stability under load.Molicel’s reputation for performance and safety makes this pack a trusted choice for RC, robotics, portable electronics, and custom projects where space is limited but dependable power is essential.

Designed without compromise, this 4S1P pack benefits from Molicel’s industry-leading cell construction, offering excellent cycle life and discharge performance under load. The square layout and durable construction make it easy to integrate into tight enclosures or stack with other components. This battery provides the balance of energy density (260Wh/kg) and durability that serious users demand.

Key Features & Benefits
  • 5000mAh capacity & 14.4V output – Delivers stable and efficient power for RC electronics and robotics.
  • Molicel quality & reliability – High-performance 21700 cells ensure long cycle life and consistent output.
  • 4S square configuration – Space-efficient design for easy installation in various applications.
  • Choice of connectors – Available with Deans, EC3 and XT60 for flexible compatibility.
  • JST-XH balance lead – Keeps cells balanced during charging, extending battery lifespan and performance.
  • Compact and lightweight – Designed for optimal power-to-weight ratio in RC models and electronics.
Safety Information

This battery is designed for users who understand the handling requirements of Li-Ion technology — over-discharge protection is NOT built in, so it should only be used with systems that include voltage monitoring or cutoff features. Trusted by professionals for both its energy density and cycle life, the Molicel P50B 4S pack is a compact powerhouse ready for integration into serious projects.

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:
  • Battery Type: Lithium-Ion (Li-Ion)
  • Capacity: 5000mAh
  • Cell Size: 21700
  • Voltage: 14.4V (4S)
  • Battery Connector: Deans, EC3, XT60


Key Info:
  • Brand: Overlander
  • Part No: OL-3694

Delivery & Returns

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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Overlander Molicel P50B 5000mAh 14.4V 4S1P Square 21700 Li-Ion Battery - Deans Manuals & Guides

Manuals & Guides