Type-C USB 2S/3S BMS 15W Lithium Battery Charging Module

Meet the Type-C USB 2S/3S BMS 15W Lithium Battery Charging Module — a compact, high-efficiency battery management and charging solution for 2-cell (8.4V) and 3-cell (12.6V) lithium battery packs. Whether you're building a custom power bank, upgrading a portable device, or working on an electronics project, this versatile module delivers reliable, balanced charging at up to 1.5A with 15W of dissipation power.

Why Choose This BMS Charging Module?

• Universal Type-C Input: Uses the modern USB Type-C connector for convenient, reversible plug-in charging — compatible with most current power adapters and cables.
• 2S & 3S Compatibility: Supports both 2-series (8.4V) and 3-series (12.6V) lithium battery configurations, giving you flexibility across a wide range of DIY and professional builds.
• Balanced Charging: Built-in BMS (Battery Management System) ensures each cell in the pack charges evenly, helping to extend overall battery lifespan and maintain consistent performance.
• Fast Charging Support: Delivers up to 1.5A charging current with 15W power dissipation for efficient, time-saving top-ups.
• Charging Indicator: Integrated LED indicator lets you monitor charging status at a glance — no guesswork needed.
• SMD Package Design: Compact surface-mount form factor makes integration into tight spaces or custom enclosures straightforward.
• Customizable: Available in single-unit (1pcs) and multi-pack (5pcs) options to suit prototyping or production needs.

Technical Specifications

• Input: USB Type-C
• Supported Battery Configurations: 2S (8.4V) / 3S (12.6V) Lithium
• Charging Current: 1.5A
• Dissipation Power: 15W
• Supply Voltage: 8.4V / 12.6V
• Package Type: SMD
• Condition: New
• Quantity: Available as 1pcs 2S or 5pcs 2S

Ideal For

• DIY lithium battery packs and power banks
• Custom computer peripherals and portable electronics
• Hobbyist and maker electronics projects
• RC vehicles, robotics, and IoT devices using Li-ion or LiPo cells

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Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What does BMS stand for, and why is it important in a lithium battery charging module?

A: BMS stands for Battery Management System. It is the electronic circuit responsible for monitoring and managing individual cells within a battery pack during charging and discharging. In this 2S/3S lithium charging module, the BMS ensures each cell charges to the correct voltage (balanced charging), preventing overcharge and helping to maximise the battery pack's lifespan and safety.

Q: What is the difference between the 2S (8.4V) and 3S (12.6V) configurations?

A: A 2S configuration connects two lithium cells in series, giving a fully charged voltage of 8.4V (2 × 4.2V). A 3S configuration connects three cells in series for a fully charged voltage of 12.6V (3 × 4.2V). Choose 2S or 3S depending on the voltage requirement of your device or project. This module supports both configurations, making it a versatile choice for various builds.

Q: Is this module compatible with standard USB Type-C chargers?

A: Yes. The module uses a standard USB Type-C input connector, so it works with most common USB-C power adapters and cables. Ensure your adapter can supply sufficient current (at least 1.5A at the appropriate voltage) for optimal charging performance.

Q: Can I use this module for production runs or just prototyping?

A: This module is suitable for both prototyping and small production runs. It is available individually (1pcs) for testing and in packs of 5pcs for scaling up your project. Its SMD package design also makes it compatible with standard PCB integration workflows.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.