3.7V 9V 5V 2A Adjustable Step Up 18650 Lithium Battery Charging Discharge Integrated Module
3.7V 9V 5V 2A Adjustable Step-Up 18650 Lithium Battery Charging and Discharge Module designed for portable power applications. It supports lithium battery charging, voltage boosting, and adjustable output from 4.3V to 27V. The module provides up to 2A discharge current with built-in overcurrent protection. Suitable for DIY electronics, solar power systems, multimeters, and battery-powered devices. Compact size and stable performance make it ideal for embedded and portable electronic projects.
وحدة شحن ورفع جهد لبطارية ليثيوم 18650 تدعم الشحن والتفريغ بتيار يصل إلى 2 أمبير. توفر خرج جهد قابل للتعديل من 4.3 فولت إلى 27 فولت مع دعم شحن بطاريات 3.7 فولت حتى 4.2 فولت. مناسبة لمشاريع الإلكترونيات المحمولة وأنظمة الطاقة الشمسية وأجهزة القياس. تتميز بحجم صغير وأداء مستقر مع حماية من زيادة التيار، مما يجعلها مناسبة للتطبيقات الإلكترونية المختلفة والمشاريع التعليمية والاحترافية.
The 3.7V 9V 5V 2A Adjustable Step-Up 18650 Lithium Battery Charging and Discharge Integrated Module is a compact multifunction power management module designed for lithium battery applications. It combines battery charging, voltage boosting, and adjustable DC output in a single board.
The module supports charging of 3.7V 18650 lithium batteries with a charging voltage of 4.2V and charging current up to 1A. It can boost the battery voltage to a continuously adjustable output ranging from 4.3V to 27V, making it suitable for a wide range of electronic devices and DIY projects.
Designed for portable and embedded applications, the module delivers a maximum discharge current of 2A and includes overcurrent protection for safer operation. It is commonly used in solar-powered systems, multimeters, portable power supplies, and custom battery-powered electronics.
Its compact dimensions and stable performance make it an excellent choice for engineers, hobbyists, and makers looking for an efficient power conversion and charging solution.
Specifications
- Input Voltage: 4.5V – 8V
- Output Voltage: Adjustable 4.3V – 27V
- Charging Voltage: 4.2V
- Charging Current: Up to 1A
- Maximum Discharge Current: 2A
- Recommended Output Current:
- 5V: 1.4A
- 9V: 0.8A
- 12V: 0.6A
- Quiescent Current: About 0.5mA
- Overcurrent Protection: Yes
- Over-Discharge Protection: Limited (2V boost cutoff)
- Boost Adjustment: Counter-clockwise increases voltage
- Battery Type: 3.7V 18650 Lithium Battery
- Module Size: 3.3 × 2.3 × 0.9 cm
Applications
- Portable power supply projects
- Solar-powered charging systems
- DIY electronics projects
- Multimeter battery modification
- Embedded electronic systems
- Rechargeable lithium battery devices
- Adjustable DC power output applications
- Small robotics and automation projects