DIY Kits 150W 10A Battery Capacity Tester Adjustable Current Electronic Load Discharge Test

Or solder the DC and use 2 wires to short-circuit the +- solder joint. The 4 rectifier tubes can be welded. The heat sink cannot be connected to the negative metal of the 12V DC , and the two cannot be connected to the metal shell at the same time. When the board is connected to the digital display meter, the supply of the meter header is connected with the small on the left end of the board: +12V. 

Note: Do not connect the thin black wire to GND! (It will be inaccurate if the current is connected). A+-the current thick red and black wire connected to the meter head V+ is connected to the thin yellow wire voltage test of the meter head, IN is the test input terminal, and the red and black test terminal is connected to the supply under test. The FAN terminal is connected to the cooling fan. Open the cap of the knob and tighten the screw. The tube is coated with thermal grease and screwed directly to the heat sink, and the heat sink must be connected before -on debugging! Otherwise, the tube may be burned out!
Colour:As shown
Material:PC+Metal

Package Contents:
1 x battery capacity tester DIY Kits

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.