Custom 21700 14.8V 8000mAh Battery Pack 4S2P Li-ion | OEM Power Tool Battery | High Capacity Rechargeable 40A Discharge Pack

21700 14.8V 8000mAh Battery Pack – OEM Customized 4S2P Li-ion (4000mAh Cells)

For Power Tools | Electric Vehicles | Industrial Equipment

🔋 Product Overview

This 21700 14.8V 8000mAh battery pack is a high-performance 4S2P lithium-ion pack engineered using premium 21700 4000mAh / 40A continuous discharge cells, making it an ideal energy solution for power tools, robotic systems, portable devices, and industrial applications. This 21700 14.8V 8000mAh battery pack is fully OEM/ODM customizable to meet your exact voltage, capacity, shape, and connector requirements.

⚡ Key Specifications

🏆 Product Highlights

• ✅ High Energy Density – 21700 format cells offer 20% more capacity than standard 18650
• ✅ High Drain Performance – 40A continuous discharge supports demanding power tool motors
• ✅ Smart BMS Protection – Built-in Battery Management System ensures safe and stable operation
• ✅ OEM/ODM Friendly – Custom voltage, shape, connector (XT60 / Deans / JST / Anderson), branding & labeling available
• ✅ Long Cycle Life – Over 500 full charge-discharge cycles with minimal capacity degradation
• ✅ Wide Application Compatibility – Designed for drills, saws, vacuum cleaners, AGVs, medical devices, and more

🔧 Suitable Applications

• Power Tools (Drills, Circular Saws, Impact Wrenches)
• Robotic Systems & AGVs
• Portable Power Stations
• Electric Garden Tools
• Medical & Industrial Devices
• RC Cars / Drones / UAVs

🏭 OEM/ODM Customization Options

We support full customization for B2B clients:

• Voltage: 7.4V / 11.1V / 14.8V / 22.2V / 25.9V / 36V / 48V+
• Capacity: 2000mAh ~ 30,000mAh+
• Cell Brand: Panasonic, Samsung, Molicel, CATL, EVE, etc.
• BMS: Standard or Smart BMS with Bluetooth / UART communication
• Shell: Soft pack, hard case (ABS/PC), custom mold
• MOQ: Negotiable (contact for details)

📦 Packaging & Delivery

• Standard export carton with foam protection
• Anti-static & moisture-proof inner packaging
• Sample lead time: 5–7 working days
• Mass production: 15–25 working days (MOQ dependent)

Applications for This 21700 14.8V 8000mAh Battery Pack

This 21700 14.8V 8000mAh battery pack suits demanding 4S applications that need sustained high current, including cordless power tools, robotic platforms, portable power stations, and industrial handheld equipment. The 4S2P configuration balances runtime and continuous discharge, so OEM integrators can size the pack to their device without redesigning the whole battery compartment.

Because the cell count and wiring are modular, this 21700 14.8V 8000mAh battery pack can also be adapted to related voltages and capacities for e-bikes, lawn equipment, and backup power systems on request.

Safety and Certification

Every 21700 14.8V 8000mAh battery pack includes a protection circuit board and is manufactured to CE, RoHS, and UN38.3 requirements, the international framework for portable lithium-ion cell safety maintained by the International Electrotechnical Commission. Cells and pack assemblies are tested for overcharge, over-discharge, short-circuit, and thermal abuse before shipment.

Frequently Asked Questions

What is the minimum order quantity for this 21700 14.8V 8000mAh battery pack?
In-stock configurations ship with no MOQ; fully custom builds typically start at 200-1,000 pieces depending on specification.

Can the connector and wiring be customized?
Yes. As an OEM/ODM manufacturer, HNF Battery can adjust the connector type, wire gauge, cable length, and BMS parameters for this 21700 14.8V 8000mAh battery pack to match your device.

What discharge rate can this pack sustain?
The pack is built around 21700 cells rated for 40A continuous discharge, making this 21700 14.8V 8000mAh battery pack suitable for high-current power tool and robotics applications.

Are samples available before a bulk order?
Yes, samples of this 21700 14.8V 8000mAh battery pack are available; sample cost is typically credited back once a bulk order is confirmed.