1Set 18650 Lithium Battery Box Circuit Pack Shell & 3S 12V Protection Board for Power Tools

Build or repair your cordless power tool battery packs with our 1Set 18650 Lithium Box Circuit Pack Shell Case. Engineered with a durable plastic housing shell, internal brackets, and an integrated 3S 12V DC lithium-ion battery protection board, this enclosure kit provides everything you need to assemble or repack 18650 cells for hand drills and electric tools. Whether you are DIYing a replacement battery pack, upgrading your equipment, or repairing dead tool batteries, this housing case ensures secure protection and stable power output.

Key Features

• Complete 18650 battery pack enclosure kit includes outer shell case, internal mounting brackets, and a 3S 12V BMS protection board

• Built-in 3S lithium-ion protection board prevents over-charging, over-discharging, short circuits, and over-current

• Durable hard plastic shell housing safeguards internal cells against drops, impacts, and jobsite wear

• Precision-molded brackets organize and secure 18650 cells firmly in place for stable electrical connections

• Essential DIY repair accessory for cordless hand drills, electric screwdrivers, and 12V power tool batteries

Why Choose Our 18650 Battery Box Kit Unlike buying expensive OEM replacement batteries, this DIY shell and protection board kit allows you to rebuild your power tool packs safely and economically. It provides a professional-grade housing solution for custom 18650 cell configurations.

Perfect For

• Rebuilding and repairing dead 12V cordless hand drill and power tool battery packs

• DIY 18650 lithium-ion battery assembly projects for electronics and tools

• Upgrading older NiCd tool housings to modern, lightweight lithium power

• Gfitting to DIYers, makers, mechanics, and tool repair hobbyists

Enjoy reliable power and safe battery organization with this 18650 lithium box circuit pack kit.

Specifications

• Product Name: 1set 18650 Lithium Box Circuit Pack Shell Case Bracket Hand Drill Power Li-ion Battery Protection Board 3S 12V DC Electric Tool

• Quantity: 1 Complete Set (Shell Case, Brackets, and 3S 12V Protection Board)

• Compatibility: Standard 18650 Lithium-Ion Cells / 12V Cordless Power Tools

• Core Material: High-Impact Resistant Plastic Shell with Electronic BMS Board

• Application: Battery Pack Shell, 3S 12V Protection Board, Drill Battery Case, and DIY Power Tool Accessory