6S4P Battery Pack 25.2v 16800mAh 16.8Ah

The TORQUEBOARDS 6S4P Battery Pack strikes the perfect balance between range and portability, offering a 4P configuration for significantly greater capacity and extended rides compared to 2P or 3P setups. Designed to deliver exceptional performance while maintaining a compact form factor, this battery pack is ideal for those seeking longer range without sacrificing a lightweight design. Whether you're building your next electric skateboard or compact electric vehicle, the 6S4P is the perfect choice for enhanced power and reliability.

Engineered for Maximum Power

This battery pack is capable of delivering up to 180 amps, providing outstanding power for your electric skateboard or electric vehicle. Thanks to the Modular Bypass BMS, the full amp output of the pack is accessible, ensuring high performance capability.

We recommend a peak current of 160 amps for short bursts. For higher current demands, it is essential to reinforce and upgrade parallel and series connections, main power wires, and connectors to improve conductivity and manage heat effectively. Exceeding 160 amps requires the use of larger gauge wires and high-capacity connectors to safely handle the load and reduce the risk of overheating.

For safe and reliable operation, maintaining a continuous current below 80 amps is advised.

21700 Molicel P42A Battery Cell Discharge Rating

The 21700 Molicel P42A battery cell is rated for a maximum continuous discharge of 45A per cell in parallel, but the duration it can sustain this current depends on various factors, including:

• Parallel Configuration: The total discharge capacity increases with more cells in parallel.
• Voltage Drop: High current draws cause voltage to drop, impacting performance.
• Heat Management: Effective cooling is required to prevent overheating during high discharge rates.
• Cutoff Voltage: Discharge ends when the voltage reaches a predefined safe limit.

In real-world scenarios, pulling the full rated amperage continuously is unlikely, as it would quickly drain the battery and generate excessive heat.

Realistic Average Amperage During Riding

• Light Riding (Flat Terrain, Moderate Speed) - Ideal for cruising on flat surfaces at low to moderate speeds. 10–20A
• Aggressive Riding (Hills, High Speed, Acceleration) - High-current demands during acceleration, hill climbing, or high-speed rides. 30–60A
• Peak Amperage (Full Throttle, High Loads) - Short-term loads during full-throttle acceleration or heavy loads. Sustaining this level for extended periods can lead to overheating and rapid battery depletion. 70–100A or more, depending on the battery pack, motor, and ESC specifications.

Crafted with Quality and Precision

Built in-house in the USA using 21700 Molicel P42A cells, this pack offers high capacity and high discharge capability. The modular bypass BMS supports charging up to 10A, allowing high amp discharge during use and cell balancing for enhanced safety, longevity and performance. We recommend using a 2A or 5A charger as your standard charging solution to consistently maintain and prolong the lifespan of your battery pack.

Built and Assembled in the USA

All of our battery packs are meticulously assembled, spot-welded, and finished in-house at our facility in Dallas, TX. We take pride in producing high-quality battery packs at competitive prices, utilizing the best battery cells available. Recognizing the critical importance of battery safety, we manage the entire production process to maintain the highest standards. Additionally, we provide comprehensive safety guides and tutorials to help you better understand and safely work with your battery pack.

Modular, Plug-and-Play Design

Our battery packs are thoughtfully engineered with modularity in mind, making maintenance and repairs straightforward. If any component malfunctions, it can be easily replaced without requiring soldering. Refer to our detailed battery tutorials for step-by-step instructions.

Key Replaceable Components:

• Battery Management System (BMS): Plug-and-play for easy replacement.
• Anti-Spark Switch: Modular and simple to swap.
• Charging Port Fuse: Quickly replaceable for safety and convenience.
• Charging Port: Designed for seamless replacement.
• Battery Voltage Display: Easily replaceable to keep your pack performing at its best.

Modular Battery Cell Modules

Battery cell modules are designed to be replaceable, allowing for easy maintenance or upgrades. If a module becomes faulty or malfunctions, it can be replaced by unsoldering the two power wires and the balance wire, installing a new module, and then re-soldering the connections. While this process is intended for those with prior experience in soldering and electronics, it is manageable with the right tools and skills.

Replacement battery cell modules are available for purchase to ensure seamless repairs and maintenance. Detailed instructions and support are also provided for advanced users.

Why We Don’t Use Battery PCB Boards

We avoid using battery PCB boards because once a module is soldered to the board, removing or replacing it becomes significantly more difficult, often requiring the entire battery pack to be rebuilt. Our approach focuses on maximizing the lifespan and usability of individual components to provide greater flexibility and longevity.

Battery Technical Specifications

• Nominal Voltage: 21.6V (3.6V × 6)
• Peak Voltage: 25.2V (4.2V × 6)
• Battery Watt-Hours (Wh): 362.88Wh (Nominal)
• Battery Capacity: 16,800mAh (16.8Ah)
• Battery Cells: 21700 Molicel P42A
• Maximum Discharge: 160A
• Battery Connector: XT90 Female Connector

Battery Dimensions

Battery dimensions are approximate and may vary by 10-15mm in length.

• Length — 210mm / 8.26 inches
• Width — 168mm / 6.61 inches
• Height — 26mm / 1.02 inches

What’s Included

• 1x: TORQUEBOARDS 6S4P 16800mAh Battery Pack (Made with 21700 Molicel P42A Cells)
• 1x: 6S 10A Battery Management System (BMS)
• 1x: 15A Charging Fuse
• 1x: 2.1x5.5mm 10A Charging Port
• 1x: 25.2V 6S 2A Battery Charger

Battery Pack Range

The estimated range for the 6S4P Battery Pack, built with 21700 Molicel P42A cells, is as follows:

• Performance Mode / Heavy Power Usage (40 Wh/Mile): Approximately 9.07 miles
• Cruise Mode / High Power Usage (25 Wh/Mile): Approximately 14.51 miles
• Eco Mode / Low Power Usage (10 Wh/Mile): Approximately 36.28 miles

Power Consumption Estimates
The following Wh/Mile estimates are based on different riding conditions:

• No Wind, 15 mph: ~10 Wh/Mile
• No Wind, 25 mph: ~20 Wh/Mile
• Heavy Wind, 15 mph: ~25 Wh/Mile
• Heavy Wind, 25 mph: ~35 Wh/Mile

Considerations for High Power Usage

• Factors Influencing Range - Battery range can vary based on numerous factors, including energy consumption, system efficiency, terrain, rider weight, and environmental conditions.
• Larger Battery Requirements: Frequent full-throttle riding significantly increases power consumption. For extended rides, consider upgrading to a 4P or 8P battery pack.
• Impact on Efficiency: Riding near full throttle reduces efficiency, resulting in higher Wh/Mile consumption and shorter range.

Recommended Products to Pair with the 6S4P Battery Pack

• Motors: Compatible with Single or Dual 6355 Motors, 6374 Motors and 6380 Motors providing excellent performance for various riding styles and terrains.
• ESC: Designed to pair seamlessly with the TORQUE6 Dual ESC (VESC-based), providing reliable, customizable motor control for a superior riding experience.
• Drive Train: Works perfectly with the Dual Mechanical Kit for enhanced power delivery and efficiency.

Want To Build Your Own Battery Pack?

Extensive battery pack documentation is being created to guide you in building your own electric skateboard battery pack. These resources will show the exact methods used to assemble high-quality battery packs, along with step-by-step instructions to help you build your own.

For those interested, we also offer battery pack building supplies available making it easy to replicate the process shown in our battery building tutorials.

If you have a custom battery pack idea, feel free to reach out to us via email—we’d love to hear your ideas!

Battery Pack Lead Time

Battery packs currently have a lead time of approximately one week. Orders will typically ship within seven days of your purchase date.