Freak Engineer 7.4V 6000mAh Li-Ion Battery Pack

Product Overview

Power your next engineering project with the Freak Engineer 7.4V 6000mAh (2S2P) Lithium-Ion Battery Pack. Designed specifically for robotics, IoT, embedded systems, and portable electronics, this pack offers a lightweight, high-capacity power solution. Assembled in India using premium-grade 18650 Li-ion cells in a 2S2P configuration, it delivers a stable 7.4V nominal output and a robust 6Ah capacity.

Important Note for Makers & Engineers:  This battery pack is intentionally manufactured without an internal BMS (Battery Management System). This makes it the ideal choice for developers who require a raw pack to integrate with custom external management circuits, specialized charge controllers, or existing system-level protection boards.

Key Features

• High Capacity & Lightweight: 6000mAh (6Ah) capacity provides long-lasting runtimes in a compact form factor.

• Premium 18650 Cell Config: Balanced 2S2P arrangement utilizing high-quality lithium-ion cells.

• No Built-In BMS: Offers total freedom for advanced users to implement their own custom external BMS or charging architecture.

• Durable Construction: Encased in tough, heat-shrink PVC insulation to ensure safety and space-efficiency in tight enclosures.

• Ready for Integration: Features pre-attached heavy-duty power leads (Red Positive / Yellow Negative) for quick soldering or connector crimping.

• Proudly Assembled in India: Built with rigorous quality checks to meet the performance demands of students, hobbyists, and professionals alike.

Technical Specifications

ParameterSpecificationBrandFreak EngineerBattery ChemistryLithium-Ion (Li-Ion)Cell Type18650 Cylindrical CellsConfiguration2S2PNominal Voltage7.4V (Full Charge: ~8.4V)Capacity6000mAh / 6AhBMS ProtectionNone (External BMS Required)Output Wires2-Wire Leads (Red: PositiveInsulationIndustrial Heat-Shrink PVC WrapCountry of OriginIndia

Versatile Applications

This customizable 7.4V 6Ah Li-ion pack is highly suited for:

• Robotics & Automation: Microcontroller boards, chassis motors, and line-following or autonomous robots.

• IoT & Embedded Systems: Remote sensor nodes, smart agriculture devices, and custom PCB prototypes.

• RC Models & Hobbies: Powering RC ground vehicles, customized transmitters, and DIY electronic test benches.

• Portable Power & Lighting: LED emergency lighting strips, portable testing instruments, and custom-built power banks.

Critical Safety & Usage Instructions

Because this battery pack does not include an onboard protection circuit, strict adherence to the following guidelines is necessary:

• External Protection Required: Always pair this battery pack with a suitable external 2S Battery Management System (BMS) to handle overcharge, over-discharge, and short-circuit protection during daily use.

• Correct Charging: Charge only with a dedicated 8.4V Lithium-Ion battery charger designed specifically for 2S packs. Never use standard variable bench power supplies without a proper charge termination profile.

• Handling: Do not puncture, crush, short-circuit, or expose the pack to direct moisture or temperatures exceeding 60°C. Store in a cool, dry environment.

Package Includes

• 1 × Freak Engineer 7.4V 6000mAh (2S2P) Lithium-Ion Battery Pack (No BMS)