Please, unless you really know what you are doing, don't use this design to test high-current batteries (like car batteries). a shorted car battery can do a. Video tutorial on how to determine if the battery in your vehicle is still good by doing a load test. in order to do a load test, you will need to purchase. Wonderhowto mad science then built his diy battery tester with an arduino, lcd panel, digital thermometer, stripboard, usb cable, and some resistors and wire..
Diy: how to easily test batteries! our own non scientific test came out somewhat inconclusive how to revive a dead battery using a bbq clamp november 29,. A simple way to test a battery would be to attach a load resistance to a fully charged battery and monitor the voltage until it drops below its useful value.. I am looking for a circuit ,12v, 40amp load tester for a car battery i would like to build one. can you help me with this request. have a good new....
