TEC-06: An accurate, versatile & cheap Battery Charge-Tester

Finally I got one that is really useable, accurate, small and cheap. Accuracy test starts at 10:57 Support Roger on Patreon:   / kainkalabs   Very well designed (except for the quasi 4-terminal voltage measurement) Maximum ratings: 3.5A, 16W dissipated Power, 15V max. Voltage Accuracy: 1% or better Current set range: 50mA...3.5A in 50mA/100mA steps Resolution/Range: 1mAh...50,000mAh (=50Ah); 4-digit display Turnoff/Cutoff-Voltage: 0.9...12.0V in 50mV steps Interrupt/Resume-Function External Power (5V/240mA): Mini-USB connector Support Roger on Patreon:   / kainkalabs