Linkstyle Battery Voltage Meter, DC 12V Voltmeter with Battery Monitor Capacity Tester USB Outlet, Digital Display Voltage Gauge Replacement
 
Product Features
  

         
Upgraded Design: Unlike most products that only have battery capacity and voltage testing functions, we added extra dual USB ports (18W USB-A and 18W Type-C) for simultaneous, interference-free charging
         
Applicable Batteries: Ternary lithium batteries, lead-acid batteries, and lithium iron phosphate batteries. Note: Note: Please complete parameter settings before use. Refer to the A+ manual for details
         
Measuring Range: Voltage test range: DC 8-30V. Capacity test range: 20%-100%. Accuracy: 1%. Refresh rate: 500ms. Working current: <15mA (not charging)
         
Low Voltage Alarm: You can customize the voltage high and low limits. When the measured voltage is lower than the lower limit, the number flashes
         
Power-off Memory: The battery capacity voltage meter settings can be retained after power failure