15x18650 Battery Case Holder with BMS PCBA & Nickel Connector

15-Cell 18650 Lithium Battery Case with BMS PCBA & Nickel Connector

Build or rebuild your own high-capacity lithium-ion battery pack with confidence. This 15x18650 Cell Holder Battery Case is engineered for DIY power tool packs, e-bike batteries, energy storage projects, and more. The integrated Battery Management System (BMS) PCBA delivers built-in overcharge, over-discharge, and short-circuit protection, keeping your cells safe and your build running efficiently. Nickel strip connectors ensure low-resistance, high-current contact between cells for optimal performance.

Key Features

• 15-Cell Configuration: Accommodates 15 standard 18650 lithium-ion cells in a secure, organized housing.
• Integrated BMS PCBA: Built-in Battery Management System protects against overcharge, over-discharge, overcurrent, and short circuits for safe operation.
• Nickel Connector Strips: Low-resistance nickel connectors provide stable, high-current cell-to-cell contact for maximum efficiency.
• Robust Cell Holder Design: Holds 18650 cells firmly in position to prevent vibration-induced damage or poor contact.
• DIY-Friendly: Ideal for custom 60V Li-ion battery pack builds, including compatibility with DeWalt-style power tool battery configurations.
• Durable Construction: High-quality plastic housing provides structural integrity and insulation for your battery assembly.

Specifications

• Cell Capacity: 15 × 18650 Li-ion cells
• Battery Chemistry: Lithium-Ion (Li-ion)
• Configuration: Compatible with 60V pack designs
• Protection: BMS PCBA with overcharge / over-discharge / short-circuit protection
• Connector Type: Nickel strip
• Brand: Qme

Who Is This For?

Whether you're a seasoned electronics hobbyist, a power-tool restorer, or a first-time DIY battery builder, this 18650 cell holder kit gives you everything you need to assemble a reliable Li-ion battery pack. It's a popular choice for custom tool battery rebuilds, solar storage systems, RC projects, and portable power stations.

Safety & Best Practices

Always use matched, balanced 18650 cells when assembling your battery pack. For guidance on safe lithium battery handling and storage, refer to the U.S. Consumer Product Safety Commission (CPSC) Lithium-Ion Battery Safety Information.

Frequently Asked Questions

Q: What is included in this 15x18650 lithium battery case kit?

A: The kit includes a 15-cell 18650 battery holder housing, an integrated BMS PCBA (Battery Management System printed circuit board assembly), and nickel strip connectors. Note: 18650 lithium-ion cells are NOT included and must be purchased separately.

Q: What voltage battery pack can I build with this 15-cell holder?

A: With 15 × 18650 cells, this holder is designed for 60V Li-ion pack configurations (common in 5S3P or similar arrangements). It is often used as a replacement or rebuild solution for DeWalt-compatible 60V power tool battery packs. Always verify your specific wiring arrangement before assembly.

Q: Does the BMS PCBA protect my cells during charging and discharging?

A: Yes. The built-in BMS PCBA provides protection against overcharging, over-discharging, overcurrent, and short circuits — all common risks in DIY lithium-ion battery builds. This protection helps extend cell life and keeps your pack operating safely.

Q: Is this compatible with standard 18650 cells?

A: Yes, this holder is designed for standard 18650 format cylindrical lithium-ion cells (18mm diameter × 65mm length). For best results, use cells from the same manufacturer and with matched capacity and internal resistance ratings.