Features:

✅【2022 Upgraded Battery Monitor】Seesii 400A 12V battery monitor with 2.4inch TFT high definition colorful screen, is a professional instrument for monitoring battery power, and it can also monitor the voltage, current, power, ambient temperature, and energy of the battery during charging and discharging. Real-time display of how long the battery can be fully charged and how long the remaining battery power can be used. Allowing you to easily know all the conditions of the battery.

✅【Intelligent & Accurate Measurement】This is a fully functional, practical and cost-effective professional portable RV battery monitor. Different from other products, our coulomb counter uses the current working time to calculate the charge and discharge capacity, which is more accurate than the voltage to calculate the remaining power. What's more, it can automatically identify the current in both charging and discharging directions, very intelligent and precise.

✅【Support Bluetooth & App Control】The battery meter can be connected via smartphone APP, real-time monitoring of battery power, viewing battery data and calibration setting parameters. You can view the real-time curve and historical curve of voltage and current, and support historical data export. What's more, it can upgrade the firmware of the measurement module.(support ios and Android5.0 and above systems ).

✅【High Quality Materials & Extrea Cable】The shunt and screws of battery tester are made of pure copper materials, and the power consumption in standby mode is very low. The Pure brass and heavy duty connectors/nuts/bolts make our battery monitor with shunt very well built and robust. The monitor tester come with extra 5m cable and the maximum length can be extended to 30 meters, which is more convenient for installation.

✅【Wide Application & Warranty】Our 12V battery monitor is compatible with various types of battery: Lead Acid, Lithium Iron Phosphate, Lithium-ion, Nickel-metal hybrid,widely used in the battery monitoring of RV/Car/Electric Motocycle/Golf Cart/Boat and ect. The best service to our customers is our aim, if you have any questions about our item, please feel free to contact our customer service, we will do our best to solve the problem for you.

2021 Upgraded Bluetooth Battery Monitor

Seesii 400A 12V battery monitor with 2.4 inch TFT high definition colorful screen, is a professional instrument for monitoring battery power, and it can also monitor the voltage, current, power, ambient temperature, and energy of the battery during charging and discharging. Real-time display of how long the battery can be fully charged and how long the remaining battery power can be used. Allowing you to easily know all the conditions of the battery.

Compatible with various types of battery, widely used in the battery monitoring of RV/Car/Electric Motocycle/Golf Cart/Boat and ect.