22.2V 4000mAh Lithium Battery Pack 21700 Li-ion (6S1P) | Custom OEM

The HNF Battery 22.2V 4000mAh lithium battery pack is designed for high-performance drone and robot applications. Built with premium 21700 lithium-ion cells in a 6S1P configuration, this battery delivers stable and reliable power output for UAVs, robotic systems, autonomous vehicles, and industrial automation equipment.

Equipped with a built-in 20A BMS (Battery Management System), this 22.2V 4000mAh lithium battery provides comprehensive protection against overcharge, over-discharge, over-current, and short circuit — ensuring safe and consistent performance in demanding environments.

Specifications

Key Features

• High Voltage Output — 22.2V nominal voltage ideal for 6S drone and robot power systems
• Premium 21700 Cells — Higher energy density than standard 18650 cells for longer flight and run time
• Built-in 20A BMS — Full protection against overcharge, over-discharge, short circuit and over-current
• Long Cycle Life — 500+ charge cycles for extended service life
• Lightweight Design — Optimized cell configuration for weight-sensitive drone applications
• OEM Ready — Custom voltage, capacity, connector type, and casing available
• CE & RoHS Certified — Ready for global export to Europe, North America, and beyond

Applications

This 22.2V 4000mAh lithium battery pack is ideal for:

• Consumer and commercial drones / UAVs
• Industrial robots and robotic arms
• Autonomous ground vehicles (AGV)
• RC aircraft and racing drones
• Mobile robotic platforms
• Industrial automation equipment

Why Choose Our 22.2V 4000mAh Lithium Battery Pack?

HNF Battery specializes in custom lithium battery packs for drone and robot applications. Our 22.2V lithium battery packs are built with Grade-A 21700 cells and undergo rigorous quality testing — including capacity verification, cycle life testing, and safety checks — before shipment. Whether you need a standard 22.2V 4000mAh lithium battery pack off the shelf or a fully customized solution, our engineering team in Dongguan can match your voltage, capacity, and connector requirements within your production timeline.

With over 10 years of manufacturing experience and clients in 30+ countries, we offer full OEM and ODM services including custom voltage, capacity, BMS design, connector type, casing, and private label branding. MOQ starts from 100 units with competitive factory direct pricing.

What’s in the Box

• 1× 22.2V 4000mAh 6S1P 21700 Lithium Battery Pack
• Built-in 20A BMS protection board
• Standard connector (custom connectors available on request)

FAQ

Q: Do you accept OEM/ODM customization for this 22.2V 4000mAh lithium battery pack?
A: Yes. We offer custom voltage, capacity, connector type, casing, and private label branding. MOQ starts from 100 units.

Q: What certifications does this battery pack carry?
A: Every pack is CE and RoHS certified, with UN38.3 test reports available on request for air freight shipments.

Q: Can this pack be used in drone and robotics applications?
A: Yes. With a 20A BMS and premium 21700 cells in a 6S1P configuration, it is built for the discharge demands of UAVs, industrial robots, and autonomous vehicles. Learn more about lithium-ion battery technology and how cell configuration affects performance.

Q: Do you offer samples before bulk orders?
A: Yes, samples are available for testing and validation before placing a bulk order.

Q: What is the typical lead time?
A: Standard configurations ship within 3-5 business days; custom OEM orders typically require 2-3 weeks depending on order volume and specification.

Q: How long is the warranty?
A: This 22.2V 4000mAh lithium battery pack comes with a 12-month warranty backed by our factory quality control process.