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.