The Lithium-Ion 2-Cell Battery Holder Shield V8 is a compact and versatile power supply module designed for projects requiring both 3V and 5V regulated outputs. It can efficiently convert the voltage from two 18650 lithium-ion cells to provide stable 3V/1A and 5V/3A outputs, making it ideal for powering microcontrollers, development boards (like Arduino or ESP32), IoT devices, and portable projects.
Built with a high-efficiency power management circuit, this module not only supplies clean and consistent power but also includes advanced battery protection features, ensuring safe operation and long battery life. It comes equipped with LED indicators and an easy-to-use manual on/off control system, giving users full visibility and control over their power setup.
Features:
- Dual Output Voltages: Provides 3V (1A) and 5V (3A) regulated outputs, perfect for powering multiple circuits or modules simultaneously.
- Supports Two 18650 Lithium-Ion Cells: Designed to hold and manage 2 cells in parallel for extended power capacity.
- Built-in Battery Protection IC: Offers overcharge, over-discharge, overcurrent, and overvoltage protection, ensuring safe battery operation.
- 4-Level Power Indicator LEDs: Displays real-time battery status with four LED lights — making it easy to check remaining charge at a glance.
- Smart Charging & Status Indication:
- Red LED – Charging
- Green LED – Fully charged
- Manual On/Off Control: Module boots in working state by default; can be manually turned off using button.
- High-Efficiency Voltage Conversion: Ensures minimal power loss and stable voltage output even under varying load conditions.
- Compact and Durable Design: Perfect for integration into DIY electronics, robotics, and mobile power systems.
Applications:
- DIY portable power supply projects
- Arduino, ESP32, and Raspberry Pi-based devices
- Robotics and embedded systems
- Powering small appliances or modules on the go
- Backup power for electronic experiments
Specifications:
- Model: V8 Lithium-Ion 2-Cell Battery Holder Shield
- Input: 2 × 18650 Lithium-Ion Cells
- Output 1: 3V / 1A
- Output 2: 5V / 3A
- Battery Protection: Overcharge, Over-discharge, Overcurrent, Overvoltage
- Power Display: 4-level LED indicator
- Charging Indicator: Red (Charging) / Green (Full)
- Default Mode: Always ON (manual shutdown or modifiable auto shutdown)
- Material: ABS + PCB
- Dimensions: Approx. 90mm × 40mm × 25mm














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