Description
3.7V Lithium Battery Charging Board with Protection Type‑C USB C Li‑Ion Battery Charging Board – a compact, high‑performance solution for safely charging 3.7V Li‑ion cells. Designed for hobbyists, DIY electronics, and small‑scale prototyping, this board delivers reliable power management in a sleek, Type‑C interface.
Key Features
- Built‑in over‑current, over‑voltage, and short‑circuit protection
- Supports 5 V/2.5 A input via USB‑C, ideal for smartphones, power banks, and laptops
- Automatic charge termination when the cell reaches 4.2 V
- Low‑profile design (only 1.5 mm thick) for tight spaces
- Robust PCB layout with heat‑sinking traces for stable operation
- Easy-to-use LED status indicators (charging, full, error)
Technical Specifications
- Input: 5 V ±10 %, 2.5 A max (USB‑C)
- Output: 3.7 V, 1.5 A max (Li‑ion cell)
- Protection: Over‑current (5 A), Over‑voltage (4.5 V), Short‑circuit, Reverse polarity
- Dimensions: 20 mm × 20 mm × 1.5 mm
- Operating Temperature: –20 °C to 60 °C
- Certifications: CE, RoHS compliant
Why Choose This Charging Board?
Whether you’re building a custom power bank, a portable charger, or an IoT device, this board offers a safe, reliable, and space‑efficient charging solution. Its Type‑C connectivity ensures quick setup, while the integrated protection circuitry safeguards both the battery and your project from common electrical hazards.
Applications
- DIY power banks and portable chargers
- Embedded systems and robotics
- Prototyping and rapid development
- Consumer electronics accessories
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