12V Spot Welder Set DIY Battery Spot Welding Storage Machine

Detailed Information About The Product:

The circuit board of this spot welder can be used for welding 18650/26650/32650 lithium batteries. Advantages: portable stable reliable and durable. Low cost you have a car starter battery or a high-pow er battery pack you can connect it and use it! Save production costs!
Users need to bring their own 12V battery for pow er supply the welding current is about 90A~130A and it is easy to weld the common 0.1mm~0.12mm nickel plated sheet. Please make sure that your battery can have a current greater than 90A otherwise you will not be able to weld!
pow er requirements: Spot welding is welded by the principle of rapid local heating and cooling by high current Need sufficient current supply generally 0.1-0.15 nickel plated sheet welding current. About 90-150A so the working pow er of the circuit board must be greater than or equal to 150A.
The following battery packs can be used as working pow er: 12V car starting pow er supply 3S high-rate battery pack for model airplane three-str ing high-rate lithium battery pack 40900 3-str ing 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

pow er supply voltage: 12V-15V
Working current: 90-150A discharge below 90A it will not work.
A battery with a large discharge current will directly affect the welding effect. The following batteries are recommended: 20-45ah Lead-acid batteries with good performance and small internal resistance internal resistance less than 10 milliohms discharge current greater than 90A such as a new car starter battery!
3.5-5.5ah 3S model airplane lithium battery pack around 45C
30-35ah capacity 18650 battery pack
Instructions for use:
Function b uttons: 1 used to switch the machine 2 used to switch gears!
When the pow er is turned on the default is the first gear. Press the b utton 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 b utton again. It will pow er off. In the off state press and hold the b utton to pow er on and the gear will return to the first gear
Colour: picture color
Material: ABS

Package Contents:
1 * 12V Spot Welder Set

Only the above package content other products are not included.
Note: Light shooting 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.
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