resistor-battery

1 год назад

This video demonstrates how to convert a 36-volt Club Car DS golf cart to lithium batteries. The process involves installing an EcoB battery, onboard charger, and 12-volt reducer, as well as connecting the LCD meter and wiring harness. The video provides step-by-step instructions and tips for a successful conversion.

5 месяцев назад

The video reviews the FNIRSI HRM-10 battery internal resistance meter. The reviewer demonstrates how to use the device to measure the internal resistance of various batteries, including 9V, AA, and lithium batteries. They also test the meter's accuracy using a calibration standard.

8 лет назад

The video demonstrates the dangers of using an incorrect resistor in a circuit. The presenter shows what happens when a 15-ohm resistor rated for 0.25 watts is subjected to a 12-volt battery, resulting in a fire. The video then explains how to calculate the power going through a resistor and how to choose the right resistor for a circuit to avoid overheating and potential damage.

6 лет назад

This video explores the relationship between internal resistance, weight, and capacity in lithium-ion batteries. The creator uses a new device to measure internal resistance and tests various cells from old laptop batteries and a headlamp torch. They compare the results of charging and discharging the cells, highlighting the importance of matching cells for building battery packs.