Know before you buy
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Built-in 4000mAh lithium polymer battery
Stop using it when the display shows below 7.3V and recharge.
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Charging adapter included
Recharge the welder with the adapter in the box.
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Up to 5000W output
For 0.1mm to 0.15mm nickel strip.
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Overheating protection
Power cuts off automatically if the unit gets too hot.
Features that make it useful
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Adjustable current
Set 5 for 0.1mm strip and 6 for 0.15mm strip.
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Digital voltage display
Shows real-time battery voltage so you never weld on low power.
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35cm gold-plated welding pen
Multi-strand high-temperature wire for reach in tight packs.
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Foot-switch operation
Keeps both hands free to hold the strip and cells.
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Wide cell support
18650, 21650 and 21700 lithium cells, plus NiMH and NiCd batteries.
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1-year warranty
Support at 980-970-9898 or care@amicikart.com.
How to use
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Charge it first
Charge the built-in battery with the included adapter, and check the display reads above 7.3V before you start.
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Set the current
Turn the knob to 5 for 0.1mm nickel strip or 6 for 0.15mm strip.
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Position and weld
Hold the strip firmly on the cell with the pen and press the foot switch. Test on a spare strip first.
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Let it cool
If the overheating protection cuts in, wait for the unit to cool before continuing.
5000W Mini Spot Welder, 4000mAh Lithium Polymer Battery, Adapter Included
amiciTools · up to 5000W · built-in 4000mAh lithium polymer battery · charging adapter included · 0.1–0.15mm nickel strip · adjustable current · digital display · 35cm pen
A portable spot welder for building 18650, 21650 and 21700 lithium battery packs without the heat damage of a soldering iron. It runs on a built-in 4000mAh lithium polymer battery, and the charging adapter comes in the box. It delivers u...
Orders are processed before 2 PM on dispatch days.
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Specifications
| Brand | amiciTools |
|---|---|
| SKU | 1xSPOT-SOLDER |
| Type | Portable battery spot welder |
| Output power | Up to 5000W |
| Built-in battery | 4000mAh lithium polymer |
| Charging | Charging adapter included |
| Low-voltage limit | Stop use below 7.3V |
| Nickel strip | 0.1mm to 0.15mm |
| Current setting | Adjustable (5 for 0.1mm, 6 for 0.15mm) |
| Welding pen | 35cm, gold-plated |
| Trigger | Foot switch |
| Protection | Overheating cut-off |
| Warranty | 1 year |
Frequently asked questions
What battery does it use?
How do I charge it?
Which cells can I weld?
What nickel strip thickness does it handle?
Full Product Description
5000W Mini Spot Welder, 4000mAh Lithium Polymer Battery, Adapter Included
A portable spot welder for building 18650, 21650 and 21700 lithium battery packs without the heat damage of a soldering iron. It runs on a built-in 4000mAh lithium polymer battery, and the charging adapter comes in the box. It delivers up to 5000W with an adjustable current knob for 0.1mm and 0.15mm nickel strip, shows battery voltage on a digital display, and has built-in overheating protection. The flexible 35cm gold-plated welding pen and foot-switch operation keep your hands free for precise positioning. 1-year warranty.
- Adjustable current: Set 5 for 0.1mm strip and 6 for 0.15mm strip.
- Digital voltage display: Shows real-time battery voltage so you never weld on low power.
- 35cm gold-plated welding pen: Multi-strand high-temperature wire for reach in tight packs.
- Foot-switch operation: Keeps both hands free to hold the strip and cells.
- Wide cell support: 18650, 21650 and 21700 lithium cells, plus NiMH and NiCd batteries.
- 1-year warranty: Support at 980-970-9898 or care@amicikart.com.
Important: The welder has a built-in lithium polymer battery: charge it only with the included adapter, do not leave it charging unattended, and keep it away from heat, water and impact. Wear eye protection, work on a non-flammable surface, and never short the battery cells you are welding.