Single 3.7V 1 Cell Lithium Battery Capacity Indicator Module
Single 3.7V 1 Cell Lithium ব্যাটারি ক্যাপাসিটি ইন্ডিকেটর মডিউল
Voltage:3.3-4.2V
Wide application fields:lithium battery
Using Method:connect display board positive and negative port with tested battery positive and negative port,digital tube will display real-time battery electricity quantity.