Orginele link om te vermelden bij de reviews :

https://www.rcwebshop.eu/product/827958/graphic-monitor-balancer-4-in-1-2-euro-per-piece-when-ordering-10x

Monitor with 4 functions for Lithium (LIPO) batteries.

Displays a voltage and current graph via the UART port of the charger.

Shows separate cell voltage capacity and temperature of the battery

Measure internal resistance (IR) of LiPo batteries in 3 ways

Temperature measurement from 1 to 100 degrees celcius

Built-in 1200mAh LiPo battery for 10 hours of use, USB charging cable included.

Built-in overvoltage and polarity protection

Illuminated display

Consumption <2mAh