Diy Kits LM3914 3.7V Lithium Battery Capacity Tester Module With LED Display

Benefits: - Accurately tests the capacity of 3.7V lithium batteries. - Helps maintain battery health and prevent overcharging or undercharging. - Easy to use, with clear LED display and simple operation. - Compact and portable, making it convenient for on-the-go testing. - Durable construction ensures long-lasting performance. Product Features: - Wide voltage range: 3.7V-4.2V - High accuracy: ±0.05% - Low power consumption: <5mA - LED display: 3-digit 0.56" seven-segment digital tube - Operating temperature: -10℃ to +40℃ - Dimensions: 43.0 x 26.0 x 17.0 mm Usage Points: - Testing the capacity of 3.7V lithium batteries used in various electronic devices, such as smartphones, laptops, and power banks. - Monitoring battery performance over time to ensure optimal functionality and lifespan. - Troubleshooting battery-related issues by identifying weak or defective batteries. Additional Features: - Auto-ranging function eliminates the need for manual range selection. - Reverse polarity protection prevents damage to the module when the battery is connected incorrectly. Why Choose This Product: - Advanced LM3914 chip provides high accuracy and reliability. - Durable construction and wide operating temperature range allow for use in various environments. - Easy installation and intuitive operation make it accessible for both beginners and experienced users. - Compact design and portability make it convenient for on-site testing and troubleshooting.

DIY Battery Capacity Tester Circuit