• Description

DIY 18650 Battery Box (3x7) with 40A BMS

The DIY 18650 Battery Box (3×7) with 40A BMS is a compact and durable enclosure designed for building custom 18650 lithium battery packs. Manufactured from robust PP material, the case offers long-term reliability while protecting cells from physical damage during use, transport, and storage. Its efficient layout allows for a 3×7 cell arrangement, making it suitable for high-capacity DIY power solutions without occupying excessive space.



Supplied as a complete kit (batteries excluded), the battery box includes spacers, nickel strips, and a 40A BMS board to simplify assembly and enhance safety. The integrated BMS provides essential protection features such as over-current and balance management, making this enclosure ideal for applications ranging from portable power systems to outdoor, marine, and mobility-related battery projects.

Quick Spec

• Battery type compatibility: 18650 lithium cells
• Cell layout: 3 × 7 configuration (21 cells)
• BMS included: 3S BMS
• BMS current rating: 40 A
• Enclosure material: PP (polypropylene)
• Product dimensions: 150 × 65 mm
• Design: Compact, space-efficient battery enclosure
• Included accessories: Battery case, 2 × battery spacers, 4 × nickel sheets, 40 A BMS board
• Application type: DIY battery pack assembly
• Usage environments: Home, camping, hiking, caving, boating, fishing

Shipping List

• 1 x Battery Box
• 2 x Battery Spacer (3x7)
• 2 x Nickel Plates
• 2 x Nickel Strip
• 1 x 3S 40A BMS
• 1 x Assembly Guide

Please Note: the batteries are NOT included

DIY 18650 Battery Box (3x7) with 40A BMS

• Brand: Generic
• Product Code: DIY-18650-BOX
• Weight: 0.17kg
• Product Status : Active

Stock

Warehouse	Stock Status	Location
Centurion	No Stock
Stellenbosch	No Stock
Bulk Location	No Stock

We ship free of charge between branches to complete your order.

• R118.00 (Inc Tax: R135.70)