30-Cell 21V 60A 18650 Lithium Battery Shell & PCB Protection

30-Cell 21V 60A 18650 Lithium Battery Shell with PCB Charging Protection

Build or rebuild high-performance lithium battery packs with confidence. This 30-Cell 21V 60A 18650 Lithium Battery Shell with PCB Charging Protection is a precision-engineered enclosure and circuit board combo designed for experienced battery assemblers and electronics enthusiasts. Constructed from durable plastic and metal, it delivers the structural integrity and electrical safety features needed for reliable DIY battery pack projects.

⚠️ Intended for use by individuals with practical experience in battery assembly and a solid understanding of lithium battery performance and safety.

Key Features

• 30-Cell Configuration: Supports 18650 lithium cells in a 30-cell layout for a nominal 21V output system.
• 60A Continuous Current Rating: Handles high-demand applications with a robust 60A capacity.
• PCB Charging Protection Circuit: Integrated protection board guards against overcharge, over-discharge, and short circuits.
• High-Temperature Charge/Discharge Protection: Built-in thermal monitoring helps prevent overheating during use.
• Low-Temperature Charging Protection: Safeguards cells from being charged in cold conditions that could compromise cell integrity.
• Durable Plastic + Metal Construction: Sturdy housing resists everyday knocks and provides a secure fit for your cells.
• Compact Dimensions: Measures 14.0 × 7.5 × 10.5 cm — easy to integrate into custom tool battery or power storage builds.
• Color: Black — clean, professional finish.

What's Included

• 1 × 30-Cell 18650 Battery Shell Housing (Plastic + Metal)
• 1 × PCB Charging Protection Circuit Board (21V / 60A)

Specifications

Who Is This For?

This kit is ideal for electronics hobbyists, power tool battery rebuilders, and DIY energy storage enthusiasts who want to assemble or repair custom 21V lithium battery packs. It is not recommended for beginners — working with lithium cells requires a thorough understanding of battery chemistry, electrical safety, and proper assembly techniques.

For guidance on safe handling and best practices for lithium battery systems, refer to the U.S. Consumer Product Safety Commission (CPSC) Lithium-Ion Battery Safety resource.

Frequently Asked Questions

Q: What is the 30-Cell 21V 60A 18650 Lithium Battery Shell with PCB Protection used for?

A: This product is used to assemble or repair custom 18650 lithium-ion battery packs. The shell houses 30 individual 18650 cells, while the integrated PCB protection circuit manages safe charging and discharging at 21V and up to 60A. It is designed exclusively for individuals with hands-on experience in battery assembly.

Q: What protection features does the PCB circuit board provide?

A: The built-in PCB protection board provides overcharge protection, over-discharge protection, short-circuit protection, high-temperature charge/discharge protection, and low-temperature charging protection — helping maintain the safety and longevity of your battery pack build.

Q: What cells are compatible with this battery shell?

A: This shell is specifically designed for standard 18650 lithium-ion cells in a 30-cell configuration. Always use cells of matching specifications and from reputable sources to ensure safe and optimal performance.

Q: What are the dimensions and materials of the battery housing?

A: The battery shell measures 14.0 × 7.5 × 10.5 cm and is constructed from a combination of plastic and metal for a balance of lightweight handling and structural durability.