# Spot Welders

> Spot welder modules and units for 18650 cells, nickel strip and related accessories

- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Category page: https://sigmanortec.ro/en/spot-welders
- Category: Mechatronics and IoT > Tools > Spot Welders
- Prices: RON, VAT included; prices and stock as of 2026-10-22 01:32 (Europe/Bucharest)

## Subcategories

- [Spot Welding Accessories](https://sigmanortec.ro/en/llms/c/261.md): Spot welding accessories: nickel strip, 18650 cell holders, spot welder enclosures (7 products)

## Products (10)

### 18650 cell welding stand, 8 slots
- Page: https://sigmanortec.ro/en/18650-cell-welding-stand-8-slots
- Details: https://sigmanortec.ro/en/llms/p/1919.md
- Price: 58.91 RON
- Availability: In stock; 1-2 zile
- Reference: 9777 · EAN: 5940504209262

Welding stand for 18650 cells with 8 slots, made of ABS plastic, orange color. Approximate dimensions 150 x 20 x 35mm. Holds cells firmly, maintains correct spacing without spacers, and allows simultaneous welding on positive and negative terminals. Features a slot for direct insertion of nickel strip up to 10mm wide. Useful for assembling battery packs.

### Spot welding module, 12VDC, model K99, with display
- Page: https://sigmanortec.ro/en/spot-welding-module-12vdc-model-k99-with-display
- Details: https://sigmanortec.ro/en/llms/p/1838.md
- Price: 147.41 RON
- Availability: In stock; 1-2 zile
- Reference: 9735 · EAN: 5942166471568
- Specifications: Input Voltage: 12 V; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

Portable spot welding board, ideal for assembling 18650 battery packs and nickel-plated strips. Operates at 12VDC, has 99 power levels for fine adjustment, 2-digit digital display for quick setting, includes thick cables and flexible copper-tipped pencils for stable contact. Suitable for DIY projects and quick interventions.
The K99 Mini spot welding module is a portable spot welding board, ideal for DIY enthusiasts working with 18650 batteries or other batteries that require spot welding. The module, built with a high-quality printed circuit board, offers 99-level adjustable output power, ensuring quality welding.

### Spot welding module, 12VDC, adjustable, switch operated
- Page: https://sigmanortec.ro/en/spot-welding-module-12vdc-adjustable-switch-operated
- Details: https://sigmanortec.ro/en/llms/p/1827.md
- Price: 163.66 RON
- Availability: In stock; 1-2 zile
- Reference: 9734 · EAN: 5942585289379
- Specifications: Input Voltage: 12VDC; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

Portable spot welder for spot welding of nickel strips and assembling battery packs, 8-24V power supply with external switch action, 99-level adjustable power for fine control, 3 working modes for adapting to different materials, digital display showing source level and voltage, includes flexible welding pencil with copper contacts for efficient current transfer.
The spot welding module, also called "Spot Welder", is a portable soldering equipment, perfect for DIY enthusiasts working with 18650 batteries (or any other batteries that require spot welding).

### Nickel-plated tape 2P, 0.15x27mm , roll 10M
- Page: https://sigmanortec.ro/en/nickel-plated-tape-2p-015x27mm-roll-10m
- Details: https://sigmanortec.ro/en/llms/p/1586.md
- Price: 101.48 RON
- Availability: In stock; 1-2 zile
- Reference: 9479 · EAN: 5945982272654

Nickel-plated tape 2P, double line, made of nickel-plated steel, thickness 0.15 mm, width 27 mm, 10 m roll. Hole spacing 20.25 mm, compatible with 18650 cells. It is intended for spot welding lithium battery packs, providing stable connections and good conductivity.

### Spot welding machine module, 100A Thyristor, time and current adjustable, with display
- Page: https://sigmanortec.ro/en/spot-welding-machine-module-100a-thyristor-time-and-current-adjustable-with-display
- Details: https://sigmanortec.ro/en/llms/p/1591.md
- Price: 108.60 RON
- Availability: In stock; 1-2 zile
- Reference: 9486 · EAN: 5941312968891
- Specifications: Nominal Current: 100 A; Current Adjustment: Yes

DIY module for spot welding machines with a 100A thyristor and SCR phase control. Uses an STM8 microcontroller and BTA100-800B triac, with a digital display and two 10K potentiometers to set time (1-50 cycles, 1 cycle=20ms) and current (30-99%). Requires a 9-12VAC transformer and a microwave transformer. Package: control module, display module, 4-wire set with DKJ10-25 connector.

### Nickel-plated strip 0.15mm, 20.2mm, 3P, 10 meters
- Page: https://sigmanortec.ro/en/nickel-plated-strip-015mm-202mm-3p-10-meters
- Details: https://sigmanortec.ro/en/llms/p/2444.md
- Price: 159.50 RON
- Availability: In stock; 1-2 zile
- Reference: 88143 · EAN: 5944979078231
- Specifications: Length: 10 m; Thickness: 0.15 mm; Width: 20.2 mm; Cell configuration: 3P

Nickel-plated strip with a thickness of 0.15 mm, a cell spacing of 20.2 mm, 3P configuration and a length of 10 meters. The track width is 7 mm, while the total width is 47 mm. It is intended for connecting 18650 cells in battery packs via spot welding, offering a balance of flexibility, mechanical strength and corrosion protection thanks to the nickel-plated layer.

### Nickel-plated strip 0.15mm, 20.2mm, 5P, 10 meters
- Page: https://sigmanortec.ro/en/nickel-plated-strip-015mm-202mm-5p-10-meters
- Details: https://sigmanortec.ro/en/llms/p/2446.md
- Price: 252.49 RON
- Availability: In stock; 1-2 zile
- Reference: 88144 · EAN: 5946606496876
- Specifications: Length: 10 m; Thickness: 0.15 mm; Width: 20.2 mm; Cell configuration: 5P

Nickel-plated strip with a thickness of 0.15 mm, a cell pitch of 20.2 mm, 5P configuration and a length of 10 meters. The track width is 7 mm, while the total width is 88 mm. It is intended for making connections via spot welding in 18650 battery packs, offering good conductivity and corrosion protection due to the nickel-plated layer.

### Spot welding machine housing, model 9735
- Page: https://sigmanortec.ro/en/spot-welding-machine-housing-model-9735
- Details: https://sigmanortec.ro/en/llms/p/1893.md
- Price: 30.20 RON
- Availability: In stock; 1-2 zile
- Reference: 5003 · EAN: 5945899041701

3D printed PLA housing for the 9735 spot welding module, provides protection against accidental contact with metal surfaces and reduces the risk of damage. It has 3 holes for easy access to buttons, vents in the base and cover for better cooling, quick assembly by inserting the module and fixing with the cover clamped in the included screws. Dimensions 94 x 64 x 20.5 mm, color black.
PLA housing suitable for the spot welding machine (with reference code 9735).
This is made by 3D printing and fits perfectly with the spot welding module, offering it protection against possible damage caused by touching the module with metallic surfaces.

### Spot welding machine housing, model 9734
- Page: https://sigmanortec.ro/en/spot-welding-machine-housing-model-9734
- Details: https://sigmanortec.ro/en/llms/p/1871.md
- Price: 30.20 RON
- Availability: In stock; 1-2 zile
- Reference: 5001 · EAN: 5948914927622

3D-printed PLA housing, model 9734, designed for the spot welding module with reference 9734. Provides protection against accidental contact with metal surfaces, features button extensions and ventilation openings in the base and cover for cooling. Quick assembly by inserting the module and securing with the included screws. Color black, dimensions 95 x 59.5 x 21 mm.

### Nickel-plated tape, 0.15x8mm , 10M roll
- Page: https://sigmanortec.ro/en/nickel-plated-tape-015x8mm-10m-roll
- Details: https://sigmanortec.ro/en/llms/p/1619.md
- Price: 39.40 RON
- Availability: In stock; 1-2 zile
- Reference: 9550 · EAN: 5941202246160

Nickel-plated tape, 0.15x8mm, 10M roll, reference 9550. Made of nickel-plated steel, it provides stable electrical contact and good corrosion resistance. It is intended for spot welding and is ideal for making 18650 battery packs, allowing clean and uniform connections.