The following battery packs can be used as working power:
12V car starting power supply, 3S high-rate battery pack for model airplane, three-string high-rate lithium battery pack,
40900 3-string battery pack, lead-acid battery with good performance above 12V 20A.
Calculation formula: capacity X discharge rate = load capacity
Take 4000ma aeromodelling battery as an example, the discharge rate is 45C (4AX45C = 180A)
Instructions for use:
Function buttons: 1, used to switch the machine, 2 used to switch gears!
When the power is turned on, the default is the first gear. Press the button for 2 seconds to release
The gear is increased by one gear, and the buzzer sounds and the LED flashes corresponding to the number of gears.
For example: the 3rd gear, the buzzer sounds three times, the LED flashes 3 times, a total of 5 gears. The spot welding intensity is gradually strengthened from the 1st gear to the 5th gear
5 is the strongest!
After the 5th gear, press and hold the button again. It will power off. In the off state, press and hold the button to power on, and the gear will return to the first gear
